diff --git a/Marlin/src/HAL/STM32/HAL.h b/Marlin/src/HAL/STM32/HAL.h
index a68e8a8c0e..adaf14223f 100644
--- a/Marlin/src/HAL/STM32/HAL.h
+++ b/Marlin/src/HAL/STM32/HAL.h
@@ -130,7 +130,11 @@
// Types
// ------------------------
-typedef int16_t pin_t;
+#ifdef STM32G0B1xx
+ typedef int32_t pin_t;
+#else
+ typedef int16_t pin_t;
+#endif
#define HAL_SERVO_LIB libServo
#define PAUSE_SERVO_OUTPUT() libServo::pause_all_servos()
diff --git a/Marlin/src/HAL/STM32/HAL_MinSerial.cpp b/Marlin/src/HAL/STM32/HAL_MinSerial.cpp
index 29826a890d..b6e86b72da 100644
--- a/Marlin/src/HAL/STM32/HAL_MinSerial.cpp
+++ b/Marlin/src/HAL/STM32/HAL_MinSerial.cpp
@@ -135,7 +135,7 @@ void install_min_serial() {
HAL_min_serial_out = &TX;
}
-#if DISABLED(DYNAMIC_VECTORTABLE) && DISABLED(STM32F0xx) // Cortex M0 can't jump to a symbol that's too far from the current function, so we work around this in exception_arm.cpp
+#if NONE(DYNAMIC_VECTORTABLE, STM32F0xx, STM32G0xx) // Cortex M0 can't jump to a symbol that's too far from the current function, so we work around this in exception_arm.cpp
extern "C" {
__attribute__((naked)) void JumpHandler_ASM() {
__asm__ __volatile__ (
diff --git a/Marlin/src/HAL/STM32/timers.cpp b/Marlin/src/HAL/STM32/timers.cpp
index 53a1f2a8e9..fe27ca1016 100644
--- a/Marlin/src/HAL/STM32/timers.cpp
+++ b/Marlin/src/HAL/STM32/timers.cpp
@@ -67,7 +67,7 @@
#endif
#endif
-#ifdef STM32F0xx
+#if defined(STM32F0xx) || defined(STM32G0xx)
#define MCU_STEP_TIMER 16
#define MCU_TEMP_TIMER 17
#elif defined(STM32F1xx)
diff --git a/Marlin/src/HAL/shared/backtrace/unwmemaccess.cpp b/Marlin/src/HAL/shared/backtrace/unwmemaccess.cpp
index 2bde1e208d..a4151b38c2 100644
--- a/Marlin/src/HAL/shared/backtrace/unwmemaccess.cpp
+++ b/Marlin/src/HAL/shared/backtrace/unwmemaccess.cpp
@@ -41,7 +41,7 @@
#define START_FLASH_ADDR 0x00000000
#define END_FLASH_ADDR 0x00080000
-#elif defined(__STM32F1__) || defined(STM32F1xx) || defined(STM32F0xx)
+#elif defined(__STM32F1__) || defined(STM32F1xx) || defined(STM32F0xx) || defined(STM32G0xx)
// For STM32F103ZET6/STM32F103VET6/STM32F0xx
// SRAM (0x20000000 - 0x20010000) (64kb)
diff --git a/Marlin/src/HAL/shared/cpu_exception/exception_arm.cpp b/Marlin/src/HAL/shared/cpu_exception/exception_arm.cpp
index 0f0f7c4807..a106ed2b05 100644
--- a/Marlin/src/HAL/shared/cpu_exception/exception_arm.cpp
+++ b/Marlin/src/HAL/shared/cpu_exception/exception_arm.cpp
@@ -101,7 +101,7 @@ struct __attribute__((packed)) ContextSavedFrame {
uint32_t ELR;
};
-#if DISABLED(STM32F0xx)
+#if NONE(STM32F0xx, STM32G0xx)
extern "C"
__attribute__((naked)) void CommonHandler_ASM() {
__asm__ __volatile__ (
diff --git a/Marlin/src/core/boards.h b/Marlin/src/core/boards.h
index 9483d6322a..2fc08c8cc7 100644
--- a/Marlin/src/core/boards.h
+++ b/Marlin/src/core/boards.h
@@ -324,39 +324,40 @@
#define BOARD_BTT_SKR_MINI_E3_V1_0 4024 // BigTreeTech SKR Mini E3 (STM32F103RC)
#define BOARD_BTT_SKR_MINI_E3_V1_2 4025 // BigTreeTech SKR Mini E3 V1.2 (STM32F103RC)
#define BOARD_BTT_SKR_MINI_E3_V2_0 4026 // BigTreeTech SKR Mini E3 V2.0 (STM32F103RC / STM32F103RE)
-#define BOARD_BTT_SKR_MINI_MZ_V1_0 4027 // BigTreeTech SKR Mini MZ V1.0 (STM32F103RC)
-#define BOARD_BTT_SKR_E3_DIP 4028 // BigTreeTech SKR E3 DIP V1.0 (STM32F103RC / STM32F103RE)
-#define BOARD_BTT_SKR_CR6 4029 // BigTreeTech SKR CR6 v1.0 (STM32F103RE)
-#define BOARD_JGAURORA_A5S_A1 4030 // JGAurora A5S A1 (STM32F103ZET6)
-#define BOARD_FYSETC_AIO_II 4031 // FYSETC AIO_II
-#define BOARD_FYSETC_CHEETAH 4032 // FYSETC Cheetah
-#define BOARD_FYSETC_CHEETAH_V12 4033 // FYSETC Cheetah V1.2
-#define BOARD_LONGER3D_LK 4034 // Alfawise U20/U20+/U30 (Longer3D LK1/2) / STM32F103VET6
-#define BOARD_CCROBOT_MEEB_3DP 4035 // ccrobot-online.com MEEB_3DP (STM32F103RC)
-#define BOARD_CHITU3D_V5 4036 // Chitu3D TronXY X5SA V5 Board
-#define BOARD_CHITU3D_V6 4037 // Chitu3D TronXY X5SA V6 Board
-#define BOARD_CHITU3D_V9 4038 // Chitu3D TronXY X5SA V9 Board
-#define BOARD_CREALITY_V4 4039 // Creality v4.x (STM32F103RE)
-#define BOARD_CREALITY_V427 4040 // Creality v4.2.7 (STM32F103RE)
-#define BOARD_CREALITY_V4210 4041 // Creality v4.2.10 (STM32F103RE) as found in the CR-30
-#define BOARD_CREALITY_V431 4042 // Creality v4.3.1 (STM32F103RE)
-#define BOARD_CREALITY_V431_A 4043 // Creality v4.3.1a (STM32F103RE)
-#define BOARD_CREALITY_V431_B 4044 // Creality v4.3.1b (STM32F103RE)
-#define BOARD_CREALITY_V431_C 4045 // Creality v4.3.1c (STM32F103RE)
-#define BOARD_CREALITY_V431_D 4046 // Creality v4.3.1d (STM32F103RE)
-#define BOARD_CREALITY_V452 4047 // Creality v4.5.2 (STM32F103RE)
-#define BOARD_CREALITY_V453 4048 // Creality v4.5.3 (STM32F103RE)
-#define BOARD_CREALITY_V24S1 4049 // Creality v2.4.S1 (STM32F103RE) v101 as found in the Ender 7
-#define BOARD_TRIGORILLA_PRO 4050 // Trigorilla Pro (STM32F103ZET6)
-#define BOARD_FLY_MINI 4051 // FLYmaker FLY MINI (STM32F103RCT6)
-#define BOARD_FLSUN_HISPEED 4052 // FLSUN HiSpeedV1 (STM32F103VET6)
-#define BOARD_BEAST 4053 // STM32F103RET6 Libmaple-based controller
-#define BOARD_MINGDA_MPX_ARM_MINI 4054 // STM32F103ZET6 Mingda MD-16
-#define BOARD_GTM32_PRO_VD 4055 // STM32F103VET6 controller
-#define BOARD_ZONESTAR_ZM3E2 4056 // Zonestar ZM3E2 (STM32F103RCT6)
-#define BOARD_ZONESTAR_ZM3E4 4057 // Zonestar ZM3E4 V1 (STM32F103VCT6)
-#define BOARD_ZONESTAR_ZM3E4V2 4058 // Zonestar ZM3E4 V2 (STM32F103VCT6)
-#define BOARD_ERYONE_ERY32_MINI 4059 // Eryone Ery32 mini (STM32F103VET6)
+#define BOARD_BTT_SKR_MINI_E3_V3_0 4027 // BigTreeTech SKR Mini E3 V3.0 (STM32G0B1RE)
+#define BOARD_BTT_SKR_MINI_MZ_V1_0 4028 // BigTreeTech SKR Mini MZ V1.0 (STM32F103RC)
+#define BOARD_BTT_SKR_E3_DIP 4029 // BigTreeTech SKR E3 DIP V1.0 (STM32F103RC / STM32F103RE)
+#define BOARD_BTT_SKR_CR6 4030 // BigTreeTech SKR CR6 v1.0 (STM32F103RE)
+#define BOARD_JGAURORA_A5S_A1 4031 // JGAurora A5S A1 (STM32F103ZET6)
+#define BOARD_FYSETC_AIO_II 4032 // FYSETC AIO_II
+#define BOARD_FYSETC_CHEETAH 4033 // FYSETC Cheetah
+#define BOARD_FYSETC_CHEETAH_V12 4034 // FYSETC Cheetah V1.2
+#define BOARD_LONGER3D_LK 4035 // Alfawise U20/U20+/U30 (Longer3D LK1/2) / STM32F103VET6
+#define BOARD_CCROBOT_MEEB_3DP 4036 // ccrobot-online.com MEEB_3DP (STM32F103RC)
+#define BOARD_CHITU3D_V5 4037 // Chitu3D TronXY X5SA V5 Board
+#define BOARD_CHITU3D_V6 4038 // Chitu3D TronXY X5SA V6 Board
+#define BOARD_CHITU3D_V9 4039 // Chitu3D TronXY X5SA V9 Board
+#define BOARD_CREALITY_V4 4040 // Creality v4.x (STM32F103RE)
+#define BOARD_CREALITY_V427 4041 // Creality v4.2.7 (STM32F103RE)
+#define BOARD_CREALITY_V4210 4042 // Creality v4.2.10 (STM32F103RE) as found in the CR-30
+#define BOARD_CREALITY_V431 4043 // Creality v4.3.1 (STM32F103RE)
+#define BOARD_CREALITY_V431_A 4044 // Creality v4.3.1a (STM32F103RE)
+#define BOARD_CREALITY_V431_B 4045 // Creality v4.3.1b (STM32F103RE)
+#define BOARD_CREALITY_V431_C 4046 // Creality v4.3.1c (STM32F103RE)
+#define BOARD_CREALITY_V431_D 4047 // Creality v4.3.1d (STM32F103RE)
+#define BOARD_CREALITY_V452 4048 // Creality v4.5.2 (STM32F103RE)
+#define BOARD_CREALITY_V453 4049 // Creality v4.5.3 (STM32F103RE)
+#define BOARD_CREALITY_V24S1 4050 // Creality v2.4.S1 (STM32F103RE) v101 as found in the Ender 7
+#define BOARD_TRIGORILLA_PRO 4051 // Trigorilla Pro (STM32F103ZET6)
+#define BOARD_FLY_MINI 4052 // FLYmaker FLY MINI (STM32F103RCT6)
+#define BOARD_FLSUN_HISPEED 4053 // FLSUN HiSpeedV1 (STM32F103VET6)
+#define BOARD_BEAST 4054 // STM32F103RET6 Libmaple-based controller
+#define BOARD_MINGDA_MPX_ARM_MINI 4055 // STM32F103ZET6 Mingda MD-16
+#define BOARD_GTM32_PRO_VD 4056 // STM32F103VET6 controller
+#define BOARD_ZONESTAR_ZM3E2 4057 // Zonestar ZM3E2 (STM32F103RCT6)
+#define BOARD_ZONESTAR_ZM3E4 4058 // Zonestar ZM3E4 V1 (STM32F103VCT6)
+#define BOARD_ZONESTAR_ZM3E4V2 4059 // Zonestar ZM3E4 V2 (STM32F103VCT6)
+#define BOARD_ERYONE_ERY32_MINI 4060 // Eryone Ery32 mini (STM32F103VET6)
//
// ARM Cortex-M4F
diff --git a/Marlin/src/module/stepper.cpp b/Marlin/src/module/stepper.cpp
index b93dd21198..c100051f98 100644
--- a/Marlin/src/module/stepper.cpp
+++ b/Marlin/src/module/stepper.cpp
@@ -1380,7 +1380,7 @@ void Stepper::set_directions() {
}
FORCE_INLINE int32_t Stepper::_eval_bezier_curve(const uint32_t curr_step) {
- #if defined(__arm__) || defined(__thumb__)
+ #if (defined(__arm__) || defined(__thumb__)) && !defined(STM32G0B1xx) // TODO: Test define STM32G0xx versus STM32G0B1xx
// For ARM Cortex M3/M4 CPUs, we have the optimized assembler version, that takes 43 cycles to execute
uint32_t flo = 0;
diff --git a/Marlin/src/pins/pins.h b/Marlin/src/pins/pins.h
index f194ba9c52..7759aeb7b7 100644
--- a/Marlin/src/pins/pins.h
+++ b/Marlin/src/pins/pins.h
@@ -527,6 +527,8 @@
#include "stm32f1/pins_BTT_SKR_MINI_E3_V1_2.h" // STM32F1 env:STM32F103RC_btt env:STM32F103RC_btt_USB env:STM32F103RC_btt_maple env:STM32F103RC_btt_USB_maple
#elif MB(BTT_SKR_MINI_E3_V2_0)
#include "stm32f1/pins_BTT_SKR_MINI_E3_V2_0.h" // STM32F1 env:STM32F103RC_btt env:STM32F103RC_btt_USB env:STM32F103RE_btt env:STM32F103RE_btt_USB env:STM32F103RC_btt_maple env:STM32F103RC_btt_USB_maple env:STM32F103RE_btt_maple env:STM32F103RE_btt_USB_maple
+#elif MB(BTT_SKR_MINI_E3_V3_0)
+ #include "stm32g0/pins_BTT_SKR_MINI_E3_V3_0.h" // STM32G0 env:STM32G0B1RE_btt
#elif MB(BTT_SKR_MINI_MZ_V1_0)
#include "stm32f1/pins_BTT_SKR_MINI_MZ_V1_0.h" // STM32F1 env:STM32F103RC_btt env:STM32F103RC_btt_USB env:STM32F103RC_btt_maple env:STM32F103RC_btt_USB_maple
#elif MB(BTT_SKR_E3_DIP)
diff --git a/Marlin/src/pins/stm32f1/pins_BTT_SKR_MINI_E3_common.h b/Marlin/src/pins/stm32f1/pins_BTT_SKR_MINI_E3_common.h
index c132691c20..8c8043be8b 100644
--- a/Marlin/src/pins/stm32f1/pins_BTT_SKR_MINI_E3_common.h
+++ b/Marlin/src/pins/stm32f1/pins_BTT_SKR_MINI_E3_common.h
@@ -206,7 +206,7 @@
/**
* TFTGLCD_PANEL_SPI display pinout
*
- * Board Display
+ * Board Display
* ------ ------
* 5V | 1 2 | GND (SPI1-MISO) MISO | 1 2 | SCK (SPI1-SCK)
* (FREE) PB7 | 3 4 | PB8 (LCD_CS) (PA9) LCD_CS | 3 4 | SD_CS (PA10)
@@ -249,7 +249,7 @@
/**
* FYSETC TFT TFT81050 display pinout
*
- * Board Display
+ * Board Display
* ------ ------
* 5V | 1 2 | GND (SPI1-MISO) MISO | 1 2 | SCK (SPI1-SCK)
* (FREE) PB7 | 3 4 | PB8 (LCD_CS) (PA9) MOD_RESET | 3 4 | SD_CS (PA10)
diff --git a/Marlin/src/pins/stm32g0/pins_BTT_SKR_MINI_E3_V3_0.h b/Marlin/src/pins/stm32g0/pins_BTT_SKR_MINI_E3_V3_0.h
new file mode 100644
index 0000000000..2fda0fb2c0
--- /dev/null
+++ b/Marlin/src/pins/stm32g0/pins_BTT_SKR_MINI_E3_V3_0.h
@@ -0,0 +1,332 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ *
+ */
+#pragma once
+
+//#define BOARD_CUSTOM_BUILD_FLAGS -DTONE_CHANNEL=4 -DTONE_TIMER=4 -DTIMER_TONE=4
+
+#ifndef BOARD_INFO_NAME
+ #define BOARD_INFO_NAME "BTT SKR Mini E3 V3.0"
+#endif
+
+#define USES_DIAG_JUMPERS
+
+// Ignore temp readings during development.
+//#define BOGUS_TEMPERATURE_GRACE_PERIOD 2000
+
+#define LED_PIN PD8
+
+// Onboard I2C EEPROM
+#if EITHER(NO_EEPROM_SELECTED, I2C_EEPROM)
+ #undef NO_EEPROM_SELECTED
+ #define I2C_EEPROM
+ #define SOFT_I2C_EEPROM // Force the use of Software I2C
+ #define I2C_SCL_PIN PB6
+ #define I2C_SDA_PIN PB7
+ #define MARLIN_EEPROM_SIZE 0x1000 // 4KB
+#endif
+
+//
+// Servos
+//
+#define SERVO0_PIN PA1 // SERVOS
+
+//
+// Limit Switches
+//
+#define X_STOP_PIN PC0 // X-STOP
+#define Y_STOP_PIN PC1 // Y-STOP
+#define Z_STOP_PIN PC2 // Z-STOP
+
+//
+// Z Probe must be this pin
+//
+#define Z_MIN_PROBE_PIN PC14 // PROBE
+
+//
+// Filament Runout Sensor
+//
+#ifndef FIL_RUNOUT_PIN
+ #define FIL_RUNOUT_PIN PC15 // E0-STOP
+#endif
+
+//
+// Power-loss Detection
+//
+#ifndef POWER_LOSS_PIN
+ #define POWER_LOSS_PIN PC12 // Power Loss Detection: PWR-DET
+#endif
+
+#ifndef NEOPIXEL_PIN
+ #define NEOPIXEL_PIN PA8 // LED driving pin
+#endif
+
+#ifndef PS_ON_PIN
+ #define PS_ON_PIN PC13 // Power Supply Control
+#endif
+
+//
+// Steppers
+//
+#define X_ENABLE_PIN PB14
+#define X_STEP_PIN PB13
+#define X_DIR_PIN PB12
+
+#define Y_ENABLE_PIN PB11
+#define Y_STEP_PIN PB10
+#define Y_DIR_PIN PB2
+
+#define Z_ENABLE_PIN PB1
+#define Z_STEP_PIN PB0
+#define Z_DIR_PIN PC5
+
+#define E0_ENABLE_PIN PD1
+#define E0_STEP_PIN PB3
+#define E0_DIR_PIN PB4
+
+#if HAS_TMC_UART
+ /**
+ * TMC220x stepper drivers
+ * Hardware serial communication ports
+ */
+ #define X_HARDWARE_SERIAL MSerial4
+ #define Y_HARDWARE_SERIAL MSerial4
+ #define Z_HARDWARE_SERIAL MSerial4
+ #define E0_HARDWARE_SERIAL MSerial4
+
+ // Default TMC slave addresses
+ #ifndef X_SLAVE_ADDRESS
+ #define X_SLAVE_ADDRESS 0
+ #endif
+ #ifndef Y_SLAVE_ADDRESS
+ #define Y_SLAVE_ADDRESS 2
+ #endif
+ #ifndef Z_SLAVE_ADDRESS
+ #define Z_SLAVE_ADDRESS 1
+ #endif
+ #ifndef E0_SLAVE_ADDRESS
+ #define E0_SLAVE_ADDRESS 3
+ #endif
+#endif
+
+//
+// Temperature Sensors
+//
+#define TEMP_0_PIN PA0 // Analog Input "TH0"
+#define TEMP_BED_PIN PC4 // Analog Input "TB0"
+
+//
+// Heaters / Fans
+//
+#define HEATER_0_PIN PC8 // "HE"
+#define HEATER_BED_PIN PC9 // "HB"
+#define FAN_PIN PC6 // "FAN0"
+#define FAN1_PIN PC7 // "FAN1"
+#define FAN2_PIN PB15 // "FAN2"
+
+/**
+ * SKR Mini E3 V3.0
+ * ------
+ * 5V | 1 2 | GND
+ * (LCD_EN) PD6 | 3 4 | PB8 (LCD_RS)
+ * (LCD_D4) PB9 | 5 6 PA10 (BTN_EN2)
+ * RESET | 7 8 | PA9 (BTN_EN1)
+ * (BTN_ENC) PA15 | 9 10 | PB5 (BEEPER)
+ * ------
+ * EXP1
+ */
+#define EXP1_09_PIN PA15
+#define EXP1_03_PIN PD6
+
+#if EITHER(DWIN_CREALITY_LCD, IS_DWIN_MARLINUI)
+ /**
+ * ------ ------ ------
+ * VCC | 1 2 | GND VCC | 1 2 | GND GND | 2 1 | VCC
+ * A | 3 4 | B A | 3 4 | B B | 4 3 | A
+ * | 5 6 TX BEEP | 5 6 ENT ENT | 6 5 | BEEP
+ * | 7 8 | RX TX | 7 8 | RX RX | 8 7 | TX
+ * BEEP | 9 10 | ENT | 9 10 | | 10 9 |
+ * ------ ------ ------
+ * EXP1 DWIN DWIN (plug)
+ *
+ * All pins are labeled as printed on DWIN PCB. Connect TX-TX, A-A and so on.
+ */
+
+ #error "DWIN_CREALITY_LCD requires a custom cable, see diagram above this line. Comment out this line to continue."
+
+ #define BEEPER_PIN EXP1_09_PIN
+ #define BTN_EN1 EXP1_03_PIN
+ #define BTN_EN2 PB8
+ #define BTN_ENC PB5
+
+#elif HAS_WIRED_LCD
+
+ #if ENABLED(CR10_STOCKDISPLAY)
+
+ #define BEEPER_PIN PB5
+ #define BTN_ENC EXP1_09_PIN
+
+ #define BTN_EN1 PA9
+ #define BTN_EN2 PA10
+
+ #define LCD_PINS_RS PB8
+ #define LCD_PINS_ENABLE EXP1_03_PIN
+ #define LCD_PINS_D4 PB9
+
+ #elif ENABLED(ZONESTAR_LCD) // ANET A8 LCD Controller - Must convert to 3.3V - CONNECTING TO 5V WILL DAMAGE THE BOARD!
+
+ #error "CAUTION! ZONESTAR_LCD requires wiring modifications. See 'pins_BTT_SKR_MINI_E3_common.h' for details. Comment out this line to continue."
+
+ #define LCD_PINS_RS PB9
+ #define LCD_PINS_ENABLE EXP1_09_PIN
+ #define LCD_PINS_D4 PB8
+ #define LCD_PINS_D5 PA10
+ #define LCD_PINS_D6 PA9
+ #define LCD_PINS_D7 PB5
+ #define ADC_KEYPAD_PIN PA1 // Repurpose servo pin for ADC - CONNECTING TO 5V WILL DAMAGE THE BOARD!
+
+ #elif EITHER(MKS_MINI_12864, ENDER2_STOCKDISPLAY)
+
+ #define BTN_ENC EXP1_09_PIN
+ #define BTN_EN1 PA9
+ #define BTN_EN2 PA10
+
+ #define DOGLCD_CS PB8
+ #define DOGLCD_A0 PB9
+ #define DOGLCD_SCK PB5
+ #define DOGLCD_MOSI EXP1_03_PIN
+
+ #define FORCE_SOFT_SPI
+ #define LCD_BACKLIGHT_PIN -1
+
+ #elif IS_TFTGLCD_PANEL
+
+ #if ENABLED(TFTGLCD_PANEL_SPI)
+
+ #error "CAUTION! TFTGLCD_PANEL_SPI requires wiring modifications. See 'pins_BTT_SKR_MINI_E3_common.h' for details. Comment out this line to continue."
+
+ /**
+ * TFTGLCD_PANEL_SPI display pinout
+ *
+ * Board Display
+ * ------ ------
+ * 5V | 1 2 | GND (SPI1-MISO) MISO | 1 2 | SCK (SPI1-SCK)
+ * (FREE) PB7 | 3 4 | PB8 (LCD_CS) (PA9) LCD_CS | 3 4 | SD_CS (PA10)
+ * (FREE) PB9 | 5 6 | PA10 (SD_CS) (FREE) | 5 6 | MOSI (SPI1-MOSI)
+ * RESET | 7 8 | PA9 (MOD_RESET) (PB5) SD_DET | 7 8 | (FREE)
+ * (BEEPER) PB6 | 9 10 | PB5 (SD_DET) GND | 9 10 | 5V
+ * ------ ------
+ * EXP1 EXP1
+ *
+ * Needs custom cable:
+ *
+ * Board Display
+ *
+ * EXP1-1 ----------- EXP1-10
+ * EXP1-2 ----------- EXP1-9
+ * SPI1-4 ----------- EXP1-6
+ * EXP1-4 ----------- FREE
+ * SPI1-3 ----------- EXP1-2
+ * EXP1-6 ----------- EXP1-4
+ * EXP1-7 ----------- FREE
+ * EXP1-8 ----------- EXP1-3
+ * SPI1-1 ----------- EXP1-1
+ * EXP1-10 ----------- EXP1-7
+ */
+
+ #define TFTGLCD_CS PA9
+
+ #endif
+
+ #else
+ #error "Only CR10_STOCKDISPLAY, ZONESTAR_LCD, ENDER2_STOCKDISPLAY, MKS_MINI_12864, and TFTGLCD_PANEL_(SPI|I2C) are currently supported on the BIGTREE_SKR_MINI_E3."
+ #endif
+
+#endif // HAS_WIRED_LCD
+
+#if BOTH(TOUCH_UI_FTDI_EVE, LCD_FYSETC_TFT81050)
+
+ #error "CAUTION! LCD_FYSETC_TFT81050 requires wiring modifications. See 'pins_BTT_SKR_MINI_E3_common.h' for details. Comment out this line to continue."
+
+ /**
+ * FYSETC TFT TFT81050 display pinout
+ *
+ * Board Display
+ * ------ ------
+ * 5V | 1 2 | GND (SPI1-MISO) MISO | 1 2 | SCK (SPI1-SCK)
+ * (FREE) PB7 | 3 4 | PB8 (LCD_CS) (PA9) MOD_RESET | 3 4 | SD_CS (PA10)
+ * (FREE) PB9 | 5 6 | PA10 (SD_CS) (PB8) LCD_CS | 5 6 | MOSI (SPI1-MOSI)
+ * RESET | 7 8 | PA9 (MOD_RESET) (PB5) SD_DET | 7 8 | RESET
+ * (BEEPER) PB6 | 9 10 | PB5 (SD_DET) GND | 9 10 | 5V
+ * ------ ------
+ * EXP1 EXP1
+ *
+ * Needs custom cable:
+ *
+ * Board Adapter Display
+ * _________
+ * EXP1-1 ----------- EXP1-10
+ * EXP1-2 ----------- EXP1-9
+ * SPI1-4 ----------- EXP1-6
+ * EXP1-4 ----------- EXP1-5
+ * SPI1-3 ----------- EXP1-2
+ * EXP1-6 ----------- EXP1-4
+ * EXP1-7 ----------- EXP1-8
+ * EXP1-8 ----------- EXP1-3
+ * SPI1-1 ----------- EXP1-1
+ * EXP1-10 ----------- EXP1-7
+ */
+
+ #define CLCD_SPI_BUS 1 // SPI1 connector
+
+ #define BEEPER_PIN EXP1_09_PIN
+
+ #define CLCD_MOD_RESET PA9
+ #define CLCD_SPI_CS PB8
+
+#endif // TOUCH_UI_FTDI_EVE && LCD_FYSETC_TFT81050
+
+//
+// SD Support
+//
+
+#ifndef SDCARD_CONNECTION
+ #define SDCARD_CONNECTION ONBOARD
+#endif
+
+#if SD_CONNECTION_IS(ONBOARD)
+ #define SD_DETECT_PIN PC3
+#elif SD_CONNECTION_IS(LCD) && (BOTH(TOUCH_UI_FTDI_EVE, LCD_FYSETC_TFT81050) || IS_TFTGLCD_PANEL)
+ #define SD_DETECT_PIN PB5
+ #define SD_SS_PIN PA10
+#elif SD_CONNECTION_IS(CUSTOM_CABLE)
+ #error "SD CUSTOM_CABLE is not compatible with SKR Mini E3."
+#endif
+
+#define ONBOARD_SPI_DEVICE 1 // SPI1 -> used only by HAL/STM32F1...
+#define ONBOARD_SD_CS_PIN PA4 // Chip select for "System" SD card
+
+#define ENABLE_SPI1
+#define SDSS ONBOARD_SD_CS_PIN
+#define SD_SS_PIN ONBOARD_SD_CS_PIN
+#define SD_SCK_PIN PA5
+#define SD_MISO_PIN PA6
+#define SD_MOSI_PIN PA7
diff --git a/buildroot/share/PlatformIO/boards/marlin_STM32G0B1RE.json b/buildroot/share/PlatformIO/boards/marlin_STM32G0B1RE.json
new file mode 100644
index 0000000000..86f632f53b
--- /dev/null
+++ b/buildroot/share/PlatformIO/boards/marlin_STM32G0B1RE.json
@@ -0,0 +1,47 @@
+{
+ "build": {
+ "core": "stm32",
+ "cpu": "cortex-m0plus",
+ "extra_flags": "-DSTM32G0xx -DSTM32G0B1xx",
+ "f_cpu": "64000000L",
+ "framework_extra_flags": {
+ "arduino": "-D__CORTEX_SC=0"
+ },
+ "mcu": "stm32g0b1ret6",
+ "product_line": "STM32G0B1xx",
+ "variant": "STM32G0xx/MARLIN_G0B1RE"
+ },
+ "debug": {
+ "default_tools": [
+ "stlink"
+ ],
+ "jlink_device": "STM32G0B1RE",
+ "onboard_tools": [
+ "stlink"
+ ],
+ "openocd_target": "stm32g0x",
+ "svd_path": "STM32G0B1.svd"
+ },
+ "frameworks": [
+ "arduino",
+ "cmsis",
+ "libopencm3",
+ "stm32cube",
+ "zephyr"
+ ],
+ "name": "STM32G0B1RE",
+ "upload": {
+ "maximum_ram_size": 147456,
+ "maximum_size": 524288,
+ "protocol": "stlink",
+ "protocols": [
+ "stlink",
+ "jlink",
+ "cmsis-dap",
+ "blackmagic",
+ "mbed"
+ ]
+ },
+ "url": "https://www.st.com/content/st_com/en/products/microcontrollers-microprocessors/stm32-32-bit-arm-cortex-mcus/stm32-mainstream-mcus/stm32g0-series/stm32g0x1.html",
+ "vendor": "ST"
+}
diff --git a/buildroot/share/PlatformIO/scripts/generic_create_variant.py b/buildroot/share/PlatformIO/scripts/generic_create_variant.py
index 06929e0504..d572873ad7 100644
--- a/buildroot/share/PlatformIO/scripts/generic_create_variant.py
+++ b/buildroot/share/PlatformIO/scripts/generic_create_variant.py
@@ -30,7 +30,7 @@ if pioutil.is_pio_build():
else:
platform_name = PackageSpec(platform_packages[0]).name
- if platform_name in [ "usb-host-msc", "usb-host-msc-cdc-msc", "usb-host-msc-cdc-msc-2", "usb-host-msc-cdc-msc-3", "tool-stm32duino", "biqu-bx-workaround" ]:
+ if platform_name in [ "usb-host-msc", "usb-host-msc-cdc-msc", "usb-host-msc-cdc-msc-2", "usb-host-msc-cdc-msc-3", "tool-stm32duino", "biqu-bx-workaround", "main" ]:
platform_name = "framework-arduinoststm32"
FRAMEWORK_DIR = platform.get_package_dir(platform_name)
diff --git a/buildroot/share/PlatformIO/variants/STM32G0xx/MARLIN_G0B1RE/PeripheralPins.c b/buildroot/share/PlatformIO/variants/STM32G0xx/MARLIN_G0B1RE/PeripheralPins.c
new file mode 100644
index 0000000000..0abfc70700
--- /dev/null
+++ b/buildroot/share/PlatformIO/variants/STM32G0xx/MARLIN_G0B1RE/PeripheralPins.c
@@ -0,0 +1,428 @@
+/*
+ *******************************************************************************
+ * Copyright (c) 2020-2021, STMicroelectronics
+ * All rights reserved.
+ *
+ * This software component is licensed by ST under BSD 3-Clause license,
+ * the "License"; You may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at:
+ * opensource.org/licenses/BSD-3-Clause
+ *
+ *******************************************************************************
+ */
+/*
+ * Automatically generated from STM32G0B1R(B-C-E)IxN.xml, STM32G0B1R(B-C-E)TxN.xml
+ * STM32G0C1R(C-E)IxN.xml, STM32G0C1R(C-E)TxN.xml
+ * CubeMX DB release 6.0.30
+ */
+#if !defined(CUSTOM_PERIPHERAL_PINS)
+#include "Arduino.h"
+#include "PeripheralPins.h"
+
+/* =====
+ * Notes:
+ * - The pins mentioned Px_y_ALTz are alternative possibilities which use other
+ * HW peripheral instances. You can use them the same way as any other "normal"
+ * pin (i.e. analogWrite(PA7_ALT1, 128);).
+ *
+ * - Commented lines are alternative possibilities which are not used per default.
+ * If you change them, you will have to know what you do
+ * =====
+ */
+
+//*** ADC ***
+
+#ifdef HAL_ADC_MODULE_ENABLED
+WEAK const PinMap PinMap_ADC[] = {
+ {PA_0, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 0, 0)}, // ADC1_IN0
+ {PA_1, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 1, 0)}, // ADC1_IN1
+ {PA_2, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 2, 0)}, // ADC1_IN2
+ {PA_3, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 3, 0)}, // ADC1_IN3
+ {PA_4, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 4, 0)}, // ADC1_IN4
+ {PA_5, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 5, 0)}, // ADC1_IN5
+ {PA_6, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 6, 0)}, // ADC1_IN6
+ {PA_7, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 7, 0)}, // ADC1_IN7
+ {PB_0, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 8, 0)}, // ADC1_IN8
+ {PB_1, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 9, 0)}, // ADC1_IN9
+ {PB_2, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 10, 0)}, // ADC1_IN10
+ {PB_10, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 11, 0)}, // ADC1_IN11
+ {PB_11, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 15, 0)}, // ADC1_IN15
+ {PB_12, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 16, 0)}, // ADC1_IN16
+ {PC_4, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 17, 0)}, // ADC1_IN17
+ {PC_5, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 18, 0)}, // ADC1_IN18
+ {NC, NP, 0}
+};
+#endif
+
+//*** DAC ***
+
+#ifdef HAL_DAC_MODULE_ENABLED
+WEAK const PinMap PinMap_DAC[] = {
+ {PA_4, DAC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 1, 0)}, // DAC1_OUT1
+ {PA_5, DAC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 2, 0)}, // DAC1_OUT2
+ {NC, NP, 0}
+};
+#endif
+
+//*** I2C ***
+
+#ifdef HAL_I2C_MODULE_ENABLED
+WEAK const PinMap PinMap_I2C_SDA[] = {
+ {PA_6, I2C2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF8_I2C2)},
+ {PA_6_ALT1, I2C3, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF9_I2C3)},
+ {PA_10, I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF6_I2C1)},
+ {PA_10_ALT1, I2C2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF8_I2C2)},
+ {PA_10_R, I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF6_I2C1)},
+ {PA_10_R_ALT1, I2C2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF8_I2C2)},
+ {PA_12, I2C2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF6_I2C2)},
+ {PB_4, I2C2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF8_I2C2)},
+ {PB_4_ALT1, I2C3, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF6_I2C3)},
+ {PB_7, I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF6_I2C1)},
+ {PB_9, I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF6_I2C1)},
+ {PB_11, I2C2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF6_I2C2)},
+ {PB_14, I2C2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF6_I2C2)},
+ {PC_1, I2C3, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF6_I2C3)},
+ {NC, NP, 0}
+};
+#endif
+
+#ifdef HAL_I2C_MODULE_ENABLED
+WEAK const PinMap PinMap_I2C_SCL[] = {
+ {PA_7, I2C2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF8_I2C2)},
+ {PA_7_ALT1, I2C3, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF9_I2C3)},
+ {PA_9, I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF6_I2C1)},
+ {PA_9_ALT1, I2C2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF8_I2C2)},
+ {PA_9_R, I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF6_I2C1)},
+ {PA_9_R_ALT1, I2C2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF8_I2C2)},
+ {PA_11, I2C2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF6_I2C2)},
+ {PB_3, I2C2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF8_I2C2)},
+ {PB_3_ALT1, I2C3, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF6_I2C3)},
+ {PB_6, I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF6_I2C1)},
+ {PB_8, I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF6_I2C1)},
+ {PB_10, I2C2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF6_I2C2)},
+ {PB_13, I2C2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF6_I2C2)},
+ {PC_0, I2C3, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF6_I2C3)},
+ {NC, NP, 0}
+};
+#endif
+
+//*** TIM ***
+
+#ifdef HAL_TIM_MODULE_ENABLED
+WEAK const PinMap PinMap_TIM[] = {
+ {PA_0, TIM2, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2, 1, 0)}, // TIM2_CH1
+ {PA_1, TIM2, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2, 2, 0)}, // TIM2_CH2
+ {PA_1_ALT1, TIM15, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM15, 1, 1)}, // TIM15_CH1N
+ {PA_2, TIM2, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2, 3, 0)}, // TIM2_CH3
+ {PA_2_ALT1, TIM15, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM15, 1, 0)}, // TIM15_CH1
+ {PA_3, TIM2, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2, 4, 0)}, // TIM2_CH4
+ {PA_3_ALT1, TIM15, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM15, 2, 0)}, // TIM15_CH2
+ {PA_4, TIM14, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_TIM14, 1, 0)}, // TIM14_CH1
+ {PA_5, TIM2, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2, 1, 0)}, // TIM2_CH1
+ {PA_6, TIM3, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3, 1, 0)}, // TIM3_CH1
+ {PA_6_ALT1, TIM16, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM16, 1, 0)}, // TIM16_CH1
+ {PA_7, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1, 1, 1)}, // TIM1_CH1N
+ {PA_7_ALT1, TIM3, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3, 2, 0)}, // TIM3_CH2
+ {PA_7_ALT2, TIM14, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_TIM14, 1, 0)}, // TIM14_CH1
+ {PA_7_ALT3, TIM17, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM17, 1, 0)}, // TIM17_CH1
+ {PA_8, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1, 1, 0)}, // TIM1_CH1
+ {PA_9, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1, 2, 0)}, // TIM1_CH2
+ {PA_9_R, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1, 2, 0)}, // TIM1_CH2
+ {PA_10, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1, 3, 0)}, // TIM1_CH3
+ {PA_10_R, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1, 3, 0)}, // TIM1_CH3
+ {PA_11, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1, 4, 0)}, // TIM1_CH4
+ {PA_15, TIM2, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2, 1, 0)}, // TIM2_CH1
+ {PB_0, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1, 2, 1)}, // TIM1_CH2N
+ {PB_0_ALT1, TIM3, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3, 3, 0)}, // TIM3_CH3
+ {PB_1, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1, 3, 1)}, // TIM1_CH3N
+ {PB_1_ALT1, TIM3, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3, 4, 0)}, // TIM3_CH4
+ {PB_1_ALT2, TIM14, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM14, 1, 0)}, // TIM14_CH1
+ {PB_3, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 2, 0)}, // TIM1_CH2
+ {PB_3_ALT1, TIM2, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2, 2, 0)}, // TIM2_CH2
+ {PB_4, TIM3, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3, 1, 0)}, // TIM3_CH1
+ {PB_5, TIM3, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3, 2, 0)}, // TIM3_CH2
+ {PB_6, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 3, 0)}, // TIM1_CH3
+ {PB_6_ALT1, TIM4, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF9_TIM4, 1, 0)}, // TIM4_CH1
+ {PB_6_ALT2, TIM16, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM16, 1, 1)}, // TIM16_CH1N
+ {PB_7, TIM4, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF9_TIM4, 2, 0)}, // TIM4_CH2
+ {PB_7_ALT1, TIM17, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM17, 1, 1)}, // TIM17_CH1N
+ {PB_8, TIM4, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF9_TIM4, 3, 0)}, // TIM4_CH3
+ {PB_8_ALT1, TIM16, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM16, 1, 0)}, // TIM16_CH1
+ {PB_9, TIM4, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF9_TIM4, 4, 0)}, // TIM4_CH4
+ {PB_9_ALT1, TIM17, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM17, 1, 0)}, // TIM17_CH1
+ {PB_10, TIM2, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2, 3, 0)}, // TIM2_CH3
+ {PB_11, TIM2, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2, 4, 0)}, // TIM2_CH4
+ {PB_13, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1, 1, 1)}, // TIM1_CH1N
+ {PB_13_ALT1, TIM15, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM15, 1, 1)}, // TIM15_CH1N
+ {PB_14, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1, 2, 1)}, // TIM1_CH2N
+ {PB_14_ALT1, TIM15, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM15, 1, 0)}, // TIM15_CH1
+ {PB_15, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1, 3, 1)}, // TIM1_CH3N
+ {PB_15_ALT1, TIM15, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_TIM15, 1, 1)}, // TIM15_CH1N
+ {PB_15_ALT2, TIM15, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM15, 2, 0)}, // TIM15_CH2
+ {PC_1, TIM15, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM15, 1, 0)}, // TIM15_CH1
+ {PC_2, TIM15, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM15, 2, 0)}, // TIM15_CH2
+ {PC_4, TIM2, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2, 1, 0)}, // TIM2_CH1
+ {PC_5, TIM2, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2, 2, 0)}, // TIM2_CH2
+ {PC_6, TIM2, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2, 3, 0)}, // TIM2_CH3
+ {PC_6_ALT1, TIM3, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3, 1, 0)}, // TIM3_CH1
+ {PC_7, TIM2, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2, 4, 0)}, // TIM2_CH4
+ {PC_7_ALT1, TIM3, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3, 2, 0)}, // TIM3_CH2
+ {PC_8, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1, 1, 0)}, // TIM1_CH1
+ {PC_8_ALT1, TIM3, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3, 3, 0)}, // TIM3_CH3
+ {PC_9, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1, 2, 0)}, // TIM1_CH2
+ {PC_9_ALT1, TIM3, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3, 4, 0)}, // TIM3_CH4
+ {PC_10, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1, 3, 0)}, // TIM1_CH3
+ {PC_11, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1, 4, 0)}, // TIM1_CH4
+ {PC_12, TIM14, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM14, 1, 0)}, // TIM14_CH1
+ {PD_0, TIM16, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM16, 1, 0)}, // TIM16_CH1
+ {PD_1, TIM17, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM17, 1, 0)}, // TIM17_CH1
+ {PD_2, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1, 1, 1)}, // TIM1_CH1N
+ {PD_3, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1, 2, 1)}, // TIM1_CH2N
+ {PD_4, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1, 3, 1)}, // TIM1_CH3N
+ {PF_0, TIM14, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM14, 1, 0)}, // TIM14_CH1
+ {PF_1, TIM15, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM15, 1, 1)}, // TIM15_CH1N
+ {NC, NP, 0}
+};
+#endif
+
+//*** UART ***
+
+#ifdef HAL_UART_MODULE_ENABLED
+WEAK const PinMap PinMap_UART_TX[] = {
+ {PA_0, USART4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART4)},
+ {PA_2, LPUART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_LPUART1)},
+ {PA_2_ALT1, USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)},
+ {PA_4, USART6, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_USART6)},
+ {PA_5, USART3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART3)},
+ {PA_9, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)},
+ {PA_9_R, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)},
+ {PA_14, LPUART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF10_LPUART2)},
+ {PA_14_ALT1, USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)},
+ {PB_0, USART5, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_USART5)},
+ {PB_2, USART3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART3)},
+ {PB_3, USART5, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_USART5)},
+ {PB_6, LPUART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF10_LPUART2)},
+ {PB_6_ALT1, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART1)},
+ {PB_8, USART3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART3)},
+ {PB_8_ALT1, USART6, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_USART6)},
+ {PB_10, USART3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART3)},
+ {PB_11, LPUART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_LPUART1)},
+ {PC_0, LPUART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_LPUART2)},
+ {PC_0_ALT1, USART6, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART6)},
+ {PC_1, LPUART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_LPUART1)},
+ {PC_4, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)},
+ {PC_4_ALT1, USART3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART3)},
+ {PC_6, LPUART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_LPUART2)},
+ {PC_10, USART3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART3)},
+ {PC_10_ALT1, USART4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART4)},
+ {PC_12, USART5, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_USART5)},
+ {PD_3, USART5, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_USART5)},
+ {PD_5, USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART2)},
+ {PF_2, LPUART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_LPUART2)},
+ {NC, NP, 0}
+};
+#endif
+
+#ifdef HAL_UART_MODULE_ENABLED
+WEAK const PinMap PinMap_UART_RX[] = {
+ {PA_1, USART4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART4)},
+ {PA_3, LPUART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_LPUART1)},
+ {PA_3_ALT1, USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)},
+ {PA_5, USART6, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_USART6)},
+ {PA_10, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)},
+ {PA_10_R, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)},
+ {PA_13, LPUART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF10_LPUART2)},
+ {PA_15, USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)},
+ {PB_0, USART3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART3)},
+ {PB_1, USART5, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_USART5)},
+ {PB_4, USART5, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_USART5)},
+ {PB_7, LPUART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF10_LPUART2)},
+ {PB_7_ALT1, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART1)},
+ {PB_9, USART3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART3)},
+ {PB_9_ALT1, USART6, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_USART6)},
+ {PB_10, LPUART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_LPUART1)},
+ {PB_11, USART3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART3)},
+ {PC_0, LPUART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_LPUART1)},
+ {PC_1, LPUART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_LPUART2)},
+ {PC_1_ALT1, USART6, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART6)},
+ {PC_5, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)},
+ {PC_5_ALT1, USART3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART3)},
+ {PC_7, LPUART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_LPUART2)},
+ {PC_11, USART3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART3)},
+ {PC_11_ALT1, USART4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART4)},
+ {PD_2, USART5, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_USART5)},
+ {PD_6, USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART2)},
+ {NC, NP, 0}
+};
+#endif
+
+#ifdef HAL_UART_MODULE_ENABLED
+WEAK const PinMap PinMap_UART_RTS[] = {
+ {PA_1, USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)},
+ {PA_7, USART6, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_USART6)},
+ {PA_12, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)},
+ {PA_15, USART3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_USART3)},
+ {PA_15_ALT1, USART4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART4)},
+ {PB_1, LPUART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_LPUART1)},
+ {PB_1_ALT1, LPUART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF10_LPUART2)},
+ {PB_1_ALT2, USART3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART3)},
+ {PB_3, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART1)},
+ {PB_5, USART5, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_USART5)},
+ {PB_12, LPUART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_LPUART1)},
+ {PB_14, USART3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART3)},
+ {PB_14_ALT1, USART6, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_USART6)},
+ {PC_9, LPUART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_LPUART2)},
+ {PD_2, USART3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART3)},
+ {PD_4, USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART2)},
+ {PD_4_ALT1, USART5, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_USART5)},
+ {PF_2, LPUART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_LPUART2)},
+ {NC, NP, 0}
+};
+#endif
+
+#ifdef HAL_UART_MODULE_ENABLED
+WEAK const PinMap PinMap_UART_CTS[] = {
+ {PA_0, USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)},
+ {PA_6, LPUART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_LPUART1)},
+ {PA_6_ALT1, USART3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART3)},
+ {PA_6_ALT2, USART6, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_USART6)},
+ {PA_11, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)},
+ {PB_0, LPUART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF10_LPUART2)},
+ {PB_4, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART1)},
+ {PB_6, USART5, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_USART5)},
+ {PB_7, USART4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART4)},
+ {PB_13, LPUART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_LPUART1)},
+ {PB_13_ALT1, USART3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART3)},
+ {PB_15, USART6, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_USART6)},
+ {PC_8, LPUART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_LPUART2)},
+ {PD_3, USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART2)},
+ {PD_5, USART5, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_USART5)},
+ {NC, NP, 0}
+};
+#endif
+
+//*** SPI ***
+
+#ifdef HAL_SPI_MODULE_ENABLED
+WEAK const PinMap PinMap_SPI_MOSI[] = {
+ {PA_2, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {PA_4, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_SPI2)},
+ {PA_7, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {PA_10, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)},
+ {PA_10_R, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)},
+ {PA_12, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {PB_5, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {PB_5_ALT1, SPI3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF9_SPI3)},
+ {PB_7, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_SPI2)},
+ {PB_11, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)},
+ {PB_15, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)},
+ {PC_3, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_SPI2)},
+ {PC_12, SPI3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_SPI3)},
+ {PD_4, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_SPI2)},
+ {PD_6, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_SPI1)},
+ {NC, NP, 0}
+};
+#endif
+
+#ifdef HAL_SPI_MODULE_ENABLED
+WEAK const PinMap PinMap_SPI_MISO[] = {
+ {PA_3, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)},
+ {PA_6, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {PA_9, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_SPI2)},
+ {PA_9_R, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_SPI2)},
+ {PA_11, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {PB_2, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_SPI2)},
+ {PB_4, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {PB_4_ALT1, SPI3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF9_SPI3)},
+ {PB_6, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_SPI2)},
+ {PB_14, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)},
+ {PC_2, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_SPI2)},
+ {PC_11, SPI3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_SPI3)},
+ {PD_3, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_SPI2)},
+ {PD_5, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_SPI1)},
+ {NC, NP, 0}
+};
+#endif
+
+#ifdef HAL_SPI_MODULE_ENABLED
+WEAK const PinMap PinMap_SPI_SCLK[] = {
+ {PA_0, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)},
+ {PA_1, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {PA_5, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {PB_3, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {PB_3_ALT1, SPI3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF9_SPI3)},
+ {PB_8, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_SPI2)},
+ {PB_10, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)},
+ {PB_13, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)},
+ {PC_10, SPI3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_SPI3)},
+ {PD_1, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_SPI2)},
+ {NC, NP, 0}
+};
+#endif
+
+#ifdef HAL_SPI_MODULE_ENABLED
+WEAK const PinMap PinMap_SPI_SSEL[] = {
+ {PA_4, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {PA_4_ALT1, SPI3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF9_SPI3)},
+ {PA_8, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_SPI2)},
+ {PA_15, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {PA_15_ALT1, SPI3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF9_SPI3)},
+ {PB_0, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {PB_9, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)},
+ {PB_12, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)},
+ {PD_0, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_SPI2)},
+ {NC, NP, 0}
+};
+#endif
+
+//*** FDCAN ***
+
+#ifdef HAL_FDCAN_MODULE_ENABLED
+WEAK const PinMap PinMap_CAN_RD[] = {
+ {PA_11, FDCAN1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF3_FDCAN1)},
+ {PB_0, FDCAN2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF3_FDCAN2)},
+ {PB_5, FDCAN2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF3_FDCAN2)},
+ {PB_8, FDCAN1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF3_FDCAN1)},
+ {PB_12, FDCAN2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF3_FDCAN2)},
+ {PC_2, FDCAN2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF3_FDCAN2)},
+ {PC_4, FDCAN1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF3_FDCAN1)},
+ {PD_0, FDCAN1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF3_FDCAN1)},
+ {NC, NP, 0}
+};
+#endif
+
+#ifdef HAL_FDCAN_MODULE_ENABLED
+WEAK const PinMap PinMap_CAN_TD[] = {
+ {PA_12, FDCAN1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF3_FDCAN1)},
+ {PB_1, FDCAN2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF3_FDCAN2)},
+ {PB_6, FDCAN2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF3_FDCAN2)},
+ {PB_9, FDCAN1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF3_FDCAN1)},
+ {PB_13, FDCAN2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF3_FDCAN2)},
+ {PC_3, FDCAN2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF3_FDCAN2)},
+ {PC_5, FDCAN1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF3_FDCAN1)},
+ {PD_1, FDCAN1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF3_FDCAN1)},
+ {NC, NP, 0}
+};
+#endif
+
+//*** No ETHERNET ***
+
+//*** No QUADSPI ***
+
+//*** USB ***
+
+#if defined(HAL_PCD_MODULE_ENABLED) || defined(HAL_HCD_MODULE_ENABLED)
+WEAK const PinMap PinMap_USB_DRD_FS[] = {
+ // {PA_4, USB_DRD_FS, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_USB)}, // USB_NOE
+ {PA_11, USB_DRD_FS, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, GPIO_AF_NONE)}, // USB_DM
+ {PA_12, USB_DRD_FS, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, GPIO_AF_NONE)}, // USB_DP
+ // {PA_13, USB_DRD_FS, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_USB)}, // USB_NOE
+ // {PA_15, USB_DRD_FS, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_USB)}, // USB_NOE
+ // {PC_9, USB_DRD_FS, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_USB)}, // USB_NOE
+ {NC, NP, 0}
+};
+#endif
+
+//*** No SD ***
+
+#endif /* !CUSTOM_PERIPHERAL_PINS */
diff --git a/buildroot/share/PlatformIO/variants/STM32G0xx/MARLIN_G0B1RE/PinNamesVar.h b/buildroot/share/PlatformIO/variants/STM32G0xx/MARLIN_G0B1RE/PinNamesVar.h
new file mode 100644
index 0000000000..9fc0b87c90
--- /dev/null
+++ b/buildroot/share/PlatformIO/variants/STM32G0xx/MARLIN_G0B1RE/PinNamesVar.h
@@ -0,0 +1,90 @@
+/* Remap pin name */
+PA_9_R = PA_9 | PREMAP,
+PA_10_R = PA_10 | PREMAP,
+
+/* Alternate pin name */
+PA_1_ALT1 = PA_1 | ALT1,
+PA_2_ALT1 = PA_2 | ALT1,
+PA_3_ALT1 = PA_3 | ALT1,
+PA_4_ALT1 = PA_4 | ALT1,
+PA_6_ALT1 = PA_6 | ALT1,
+PA_6_ALT2 = PA_6 | ALT2,
+PA_7_ALT1 = PA_7 | ALT1,
+PA_7_ALT2 = PA_7 | ALT2,
+PA_7_ALT3 = PA_7 | ALT3,
+PA_9_ALT1 = PA_9 | ALT1,
+PA_9_R_ALT1 = PA_9_R | ALT1,
+PA_10_ALT1 = PA_10 | ALT1,
+PA_10_R_ALT1 = PA_10_R | ALT1,
+PA_14_ALT1 = PA_14 | ALT1,
+PA_15_ALT1 = PA_15 | ALT1,
+PB_0_ALT1 = PB_0 | ALT1,
+PB_1_ALT1 = PB_1 | ALT1,
+PB_1_ALT2 = PB_1 | ALT2,
+PB_3_ALT1 = PB_3 | ALT1,
+PB_4_ALT1 = PB_4 | ALT1,
+PB_5_ALT1 = PB_5 | ALT1,
+PB_6_ALT1 = PB_6 | ALT1,
+PB_6_ALT2 = PB_6 | ALT2,
+PB_7_ALT1 = PB_7 | ALT1,
+PB_8_ALT1 = PB_8 | ALT1,
+PB_9_ALT1 = PB_9 | ALT1,
+PB_13_ALT1 = PB_13 | ALT1,
+PB_14_ALT1 = PB_14 | ALT1,
+PB_15_ALT1 = PB_15 | ALT1,
+PB_15_ALT2 = PB_15 | ALT2,
+PC_0_ALT1 = PC_0 | ALT1,
+PC_1_ALT1 = PC_1 | ALT1,
+PC_4_ALT1 = PC_4 | ALT1,
+PC_5_ALT1 = PC_5 | ALT1,
+PC_6_ALT1 = PC_6 | ALT1,
+PC_7_ALT1 = PC_7 | ALT1,
+PC_8_ALT1 = PC_8 | ALT1,
+PC_9_ALT1 = PC_9 | ALT1,
+PC_10_ALT1 = PC_10 | ALT1,
+PC_11_ALT1 = PC_11 | ALT1,
+PD_4_ALT1 = PD_4 | ALT1,
+
+/* SYS_WKUP */
+#ifdef PWR_WAKEUP_PIN1
+ SYS_WKUP1 = PA_0,
+#endif
+#ifdef PWR_WAKEUP_PIN2
+ SYS_WKUP2 = PC_13,
+#endif
+#ifdef PWR_WAKEUP_PIN3
+ SYS_WKUP3 = NC,
+#endif
+#ifdef PWR_WAKEUP_PIN4
+ SYS_WKUP4 = PA_2,
+#endif
+#ifdef PWR_WAKEUP_PIN5
+ SYS_WKUP5 = PC_5,
+#endif
+#ifdef PWR_WAKEUP_PIN6
+ SYS_WKUP6 = PB_5,
+#endif
+#ifdef PWR_WAKEUP_PIN7
+ SYS_WKUP7 = NC,
+#endif
+#ifdef PWR_WAKEUP_PIN8
+ SYS_WKUP8 = NC,
+#endif
+
+/* USB */
+#ifdef USBCON
+ USB_DM = PA_11,
+ USB_DP = PA_12,
+ #ifdef USB_NOE_PA_4
+ USB_NOE = PA_4,
+ #endif
+ #ifdef USB_NOE_PA_13
+ USB_NOE = PA_13,
+ #endif
+ #ifdef USB_NOE_PA_15
+ USB_NOE = PA_15,
+ #endif
+ #ifdef USB_NOE_PC_9
+ USB_NOE = PC_9,
+ #endif
+#endif
diff --git a/buildroot/share/PlatformIO/variants/STM32G0xx/MARLIN_G0B1RE/ldscript.ld b/buildroot/share/PlatformIO/variants/STM32G0xx/MARLIN_G0B1RE/ldscript.ld
new file mode 100644
index 0000000000..3b619b6a97
--- /dev/null
+++ b/buildroot/share/PlatformIO/variants/STM32G0xx/MARLIN_G0B1RE/ldscript.ld
@@ -0,0 +1,177 @@
+/**
+ ******************************************************************************
+ * @file LinkerScript.ld
+ * @author Auto-generated by STM32CubeIDE
+ * @brief Linker script for STM32G0B1RETx Device from STM32G0 series
+ * 512Kbytes FLASH
+ * 144Kbytes RAM
+ *
+ * Set heap size, stack size and stack location according
+ * to application requirements.
+ *
+ * Set memory bank area and size if external memory is used
+ ******************************************************************************
+ * @attention
+ *
+ * © Copyright (c) 2020 STMicroelectronics.
+ * All rights reserved.
+ *
+ * This software component is licensed by ST under BSD 3-Clause license,
+ * the "License"; You may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at:
+ * opensource.org/licenses/BSD-3-Clause
+ *
+ ******************************************************************************
+ */
+
+/* Entry Point */
+ENTRY(Reset_Handler)
+
+/* Highest address of the user mode stack */
+_estack = ORIGIN(RAM) + LENGTH(RAM); /* end of "RAM" Ram type memory */
+
+_Min_Heap_Size = 0x200; /* required amount of heap */
+_Min_Stack_Size = 0x400; /* required amount of stack */
+
+/* Memories definition */
+MEMORY
+{
+ RAM (xrw) : ORIGIN = 0x20000000, LENGTH = LD_MAX_DATA_SIZE
+ FLASH (rx) : ORIGIN = 0x8000000 + LD_FLASH_OFFSET, LENGTH = LD_MAX_SIZE - LD_FLASH_OFFSET
+}
+
+/* Sections */
+SECTIONS
+{
+ /* The startup code into "FLASH" Rom type memory */
+ .isr_vector :
+ {
+ . = ALIGN(4);
+ KEEP(*(.isr_vector)) /* Startup code */
+ . = ALIGN(4);
+ } >FLASH
+
+ /* The program code and other data into "FLASH" Rom type memory */
+ .text :
+ {
+ . = ALIGN(4);
+ *(.text) /* .text sections (code) */
+ *(.text*) /* .text* sections (code) */
+ *(.glue_7) /* glue arm to thumb code */
+ *(.glue_7t) /* glue thumb to arm code */
+ *(.eh_frame)
+
+ KEEP (*(.init))
+ KEEP (*(.fini))
+
+ . = ALIGN(4);
+ _etext = .; /* define a global symbols at end of code */
+ } >FLASH
+
+ /* Constant data into "FLASH" Rom type memory */
+ .rodata :
+ {
+ . = ALIGN(4);
+ *(.rodata) /* .rodata sections (constants, strings, etc.) */
+ *(.rodata*) /* .rodata* sections (constants, strings, etc.) */
+ . = ALIGN(4);
+ } >FLASH
+
+ .ARM.extab : {
+ . = ALIGN(4);
+ *(.ARM.extab* .gnu.linkonce.armextab.*)
+ . = ALIGN(4);
+ } >FLASH
+
+ .ARM : {
+ . = ALIGN(4);
+ __exidx_start = .;
+ *(.ARM.exidx*)
+ __exidx_end = .;
+ . = ALIGN(4);
+ } >FLASH
+
+ .preinit_array :
+ {
+ . = ALIGN(4);
+ PROVIDE_HIDDEN (__preinit_array_start = .);
+ KEEP (*(.preinit_array*))
+ PROVIDE_HIDDEN (__preinit_array_end = .);
+ . = ALIGN(4);
+ } >FLASH
+
+ .init_array :
+ {
+ . = ALIGN(4);
+ PROVIDE_HIDDEN (__init_array_start = .);
+ KEEP (*(SORT(.init_array.*)))
+ KEEP (*(.init_array*))
+ PROVIDE_HIDDEN (__init_array_end = .);
+ . = ALIGN(4);
+ } >FLASH
+
+ .fini_array :
+ {
+ . = ALIGN(4);
+ PROVIDE_HIDDEN (__fini_array_start = .);
+ KEEP (*(SORT(.fini_array.*)))
+ KEEP (*(.fini_array*))
+ PROVIDE_HIDDEN (__fini_array_end = .);
+ . = ALIGN(4);
+ } >FLASH
+
+ /* Used by the startup to initialize data */
+ _sidata = LOADADDR(.data);
+
+ /* Initialized data sections into "RAM" Ram type memory */
+ .data :
+ {
+ . = ALIGN(4);
+ _sdata = .; /* create a global symbol at data start */
+ *(.data) /* .data sections */
+ *(.data*) /* .data* sections */
+ *(.RamFunc) /* .RamFunc sections */
+ *(.RamFunc*) /* .RamFunc* sections */
+
+ . = ALIGN(4);
+ _edata = .; /* define a global symbol at data end */
+
+ } >RAM AT> FLASH
+
+ /* Uninitialized data section into "RAM" Ram type memory */
+ . = ALIGN(4);
+ .bss :
+ {
+ /* This is used by the startup in order to initialize the .bss section */
+ _sbss = .; /* define a global symbol at bss start */
+ __bss_start__ = _sbss;
+ *(.bss)
+ *(.bss*)
+ *(COMMON)
+
+ . = ALIGN(4);
+ _ebss = .; /* define a global symbol at bss end */
+ __bss_end__ = _ebss;
+ } >RAM
+
+ /* User_heap_stack section, used to check that there is enough "RAM" Ram type memory left */
+ ._user_heap_stack :
+ {
+ . = ALIGN(8);
+ PROVIDE ( end = . );
+ PROVIDE ( _end = . );
+ . = . + _Min_Heap_Size;
+ . = . + _Min_Stack_Size;
+ . = ALIGN(8);
+ } >RAM
+
+ /* Remove information from the compiler libraries */
+ /DISCARD/ :
+ {
+ libc.a ( * )
+ libm.a ( * )
+ libgcc.a ( * )
+ }
+
+ .ARM.attributes 0 : { *(.ARM.attributes) }
+}
diff --git a/buildroot/share/PlatformIO/variants/STM32G0xx/MARLIN_G0B1RE/variant_MARLIN_STM32G0B1RE.cpp b/buildroot/share/PlatformIO/variants/STM32G0xx/MARLIN_G0B1RE/variant_MARLIN_STM32G0B1RE.cpp
new file mode 100644
index 0000000000..e53fb4182c
--- /dev/null
+++ b/buildroot/share/PlatformIO/variants/STM32G0xx/MARLIN_G0B1RE/variant_MARLIN_STM32G0B1RE.cpp
@@ -0,0 +1,177 @@
+/*
+ *******************************************************************************
+ * Copyright (c) 2020-2021, STMicroelectronics
+ * All rights reserved.
+ *
+ * This software component is licensed by ST under BSD 3-Clause license,
+ * the "License"; You may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at:
+ * opensource.org/licenses/BSD-3-Clause
+ *
+ *******************************************************************************
+ */
+
+#if defined(STM32G0B1xx)
+#include "pins_arduino.h"
+
+// Digital PinName array
+const PinName digitalPin[] = {
+ PA_0, // D0/A0
+ PA_1, // D1/A1
+ PA_2, // D2/A2
+ PA_3, // D3/A3
+ PA_4, // D4/A4
+ PA_5, // D5/A5
+ PA_6, // D6/A6
+ PA_7, // D7/A7
+ PA_8, // D8
+ PA_9, // D9
+ PA_10, // D10
+ PA_11, // D11
+ PA_12, // D12
+ PA_13, // D13
+ PA_14, // D14
+ PA_15, // D15
+ PB_0, // D16/A8
+ PB_1, // D17/A9
+ PB_2, // D18/A10
+ PB_3, // D19
+ PB_4, // D20
+ PB_5, // D21
+ PB_6, // D22
+ PB_7, // D23
+ PB_8, // D24
+ PB_9, // D25
+ PB_10, // D26/A11
+ PB_11, // D27/A12
+ PB_12, // D28/A13
+ PB_13, // D29
+ PB_14, // D30
+ PB_15, // D31
+ PC_0, // D32
+ PC_1, // D33
+ PC_2, // D34
+ PC_3, // D35
+ PC_4, // D36/A14
+ PC_5, // D37/A15
+ PC_6, // D38
+ PC_7, // D39
+ PC_8, // D40
+ PC_9, // D41
+ PC_10, // D42
+ PC_11, // D43
+ PC_12, // D44
+ PC_13, // D45
+ PC_14, // D46
+ PC_15, // D47
+ PD_0, // D48
+ PD_1, // D49
+ PD_2, // D50
+ PD_3, // D51
+ PD_4, // D52
+ PD_5, // D53
+ PD_6, // D54
+ PD_8, // D55
+ PD_9, // D56
+ PF_0, // D57
+ PF_1, // D58
+ PF_2, // D59
+ PA_9_R, // D60
+ PA_10_R // D61
+};
+
+// Analog (Ax) pin number array
+const uint32_t analogInputPin[] = {
+ 0, // A0, PA0
+ 1, // A1, PA1
+ 2, // A2, PA2
+ 3, // A3, PA3
+ 4, // A4, PA4
+ 5, // A5, PA5
+ 6, // A6, PA6
+ 7, // A7, PA7
+ 16, // A8, PB0
+ 17, // A9, PB1
+ 18, // A10, PB2
+ 26, // A11, PB10
+ 27, // A12, PB11
+ 28, // A13, PB12
+ 36, // A14, PC4
+ 37 // A15, PC5
+};
+
+// ----------------------------------------------------------------------------
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief System Clock Configuration
+ * The system Clock is configured as follows :
+ * System Clock source = PLL (HSE)
+ * SYSCLK(Hz) = 64000000
+ * HCLK(Hz) = 64000000
+ * AHB Prescaler = 1
+ * APB1 Prescaler = 1
+ * PLL_M = 1
+ * PLL_N = 16
+ * PLL_R = 2
+ * PLL_P = 2
+ * PLL_Q = 2
+ * USB(Hz) = 48000000 (HSI48M)
+ * @param None
+ * @retval None
+ */
+WEAK void SystemClock_Config(void)
+{
+ RCC_OscInitTypeDef RCC_OscInitStruct = {0};
+ RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
+ RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
+
+ /** Configure the main internal regulator output voltage
+ */
+ HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1);
+ /** Initializes the RCC Oscillators according to the specified parameters
+ * in the RCC_OscInitTypeDef structure.
+ */
+ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE|RCC_OSCILLATORTYPE_HSI48;
+ RCC_OscInitStruct.HSEState = RCC_HSE_ON;
+ RCC_OscInitStruct.HSI48State = RCC_HSI48_ON;
+ RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
+ RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
+ RCC_OscInitStruct.PLL.PLLM = RCC_PLLM_DIV1;
+ RCC_OscInitStruct.PLL.PLLN = 16;
+ RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
+ RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
+ RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
+ if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
+ {
+ Error_Handler();
+ }
+ /** Initializes the CPU, AHB and APB buses clocks
+ */
+ RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
+ |RCC_CLOCKTYPE_PCLK1;
+ RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
+ RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
+ RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
+
+ if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
+ {
+ Error_Handler();
+ }
+ /** Initializes the peripherals clocks
+ */
+ PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USB;
+ PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_HSI48;
+ if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
+ {
+ Error_Handler();
+ }
+}
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* STM32G0B1xx */
diff --git a/buildroot/share/PlatformIO/variants/STM32G0xx/MARLIN_G0B1RE/variant_MARLIN_STM32G0B1RE.h b/buildroot/share/PlatformIO/variants/STM32G0xx/MARLIN_G0B1RE/variant_MARLIN_STM32G0B1RE.h
new file mode 100644
index 0000000000..65aff2ce27
--- /dev/null
+++ b/buildroot/share/PlatformIO/variants/STM32G0xx/MARLIN_G0B1RE/variant_MARLIN_STM32G0B1RE.h
@@ -0,0 +1,199 @@
+/*
+ *******************************************************************************
+ * Copyright (c) 2020-2021, STMicroelectronics
+ * All rights reserved.
+ *
+ * This software component is licensed by ST under BSD 3-Clause license,
+ * the "License"; You may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at:
+ * opensource.org/licenses/BSD-3-Clause
+ *
+ *******************************************************************************
+ */
+#pragma once
+
+/*----------------------------------------------------------------------------
+ * STM32 pins number
+ *----------------------------------------------------------------------------*/
+#define PA0 PIN_A0
+#define PA1 PIN_A1
+#define PA2 PIN_A2
+#define PA3 PIN_A3
+#define PA4 PIN_A4
+#define PA5 PIN_A5
+#define PA6 PIN_A6
+#define PA7 PIN_A7
+#define PA8 8
+#define PA9 9
+#define PA10 10
+#define PA11 11
+#define PA12 12
+#define PA13 13
+#define PA14 14
+#define PA15 15
+#define PB0 PIN_A8
+#define PB1 PIN_A9
+#define PB2 PIN_A10
+#define PB3 19
+#define PB4 20
+#define PB5 21
+#define PB6 22
+#define PB7 23
+#define PB8 24
+#define PB9 25
+#define PB10 PIN_A11
+#define PB11 PIN_A12
+#define PB12 PIN_A13
+#define PB13 29
+#define PB14 30
+#define PB15 31
+#define PC0 32
+#define PC1 33
+#define PC2 34
+#define PC3 35
+#define PC4 PIN_A14
+#define PC5 PIN_A15
+#define PC6 38
+#define PC7 39
+#define PC8 40
+#define PC9 41
+#define PC10 42
+#define PC11 43
+#define PC12 44
+#define PC13 45
+#define PC14 46
+#define PC15 47
+#define PD0 48
+#define PD1 49
+#define PD2 50
+#define PD3 51
+#define PD4 52
+#define PD5 53
+#define PD6 54
+#define PD8 55
+#define PD9 56
+#define PF0 57
+#define PF1 58
+#define PF2 59
+#define PA9_R 60
+#define PA10_R 61
+
+// Alternate pins number
+#define PA1_ALT1 (PA1 | ALT1)
+#define PA2_ALT1 (PA2 | ALT1)
+#define PA3_ALT1 (PA3 | ALT1)
+#define PA4_ALT1 (PA4 | ALT1)
+#define PA6_ALT1 (PA6 | ALT1)
+#define PA6_ALT2 (PA6 | ALT2)
+#define PA7_ALT1 (PA7 | ALT1)
+#define PA7_ALT2 (PA7 | ALT2)
+#define PA7_ALT3 (PA7 | ALT3)
+#define PA9_ALT1 (PA9 | ALT1)
+#define PA9_R_ALT1 (PA9_R | ALT1)
+#define PA10_ALT1 (PA10 | ALT1)
+#define PA10_R_ALT1 (PA10_R | ALT1)
+#define PA14_ALT1 (PA14 | ALT1)
+#define PA15_ALT1 (PA15 | ALT1)
+#define PB0_ALT1 (PB0 | ALT1)
+#define PB1_ALT1 (PB1 | ALT1)
+#define PB1_ALT2 (PB1 | ALT2)
+#define PB3_ALT1 (PB3 | ALT1)
+#define PB4_ALT1 (PB4 | ALT1)
+#define PB5_ALT1 (PB5 | ALT1)
+#define PB6_ALT1 (PB6 | ALT1)
+#define PB6_ALT2 (PB6 | ALT2)
+#define PB7_ALT1 (PB7 | ALT1)
+#define PB8_ALT1 (PB8 | ALT1)
+#define PB9_ALT1 (PB9 | ALT1)
+#define PB13_ALT1 (PB13 | ALT1)
+#define PB14_ALT1 (PB14 | ALT1)
+#define PB15_ALT1 (PB15 | ALT1)
+#define PB15_ALT2 (PB15 | ALT2)
+#define PC0_ALT1 (PC0 | ALT1)
+#define PC1_ALT1 (PC1 | ALT1)
+#define PC4_ALT1 (PC4 | ALT1)
+#define PC5_ALT1 (PC5 | ALT1)
+#define PC6_ALT1 (PC6 | ALT1)
+#define PC7_ALT1 (PC7 | ALT1)
+#define PC8_ALT1 (PC8 | ALT1)
+#define PC9_ALT1 (PC9 | ALT1)
+#define PC10_ALT1 (PC10 | ALT1)
+#define PC11_ALT1 (PC11 | ALT1)
+#define PD4_ALT1 (PD4 | ALT1)
+
+#define NUM_DIGITAL_PINS 62
+#define NUM_REMAP_PINS 2
+#define NUM_ANALOG_INPUTS 16
+
+// SPI definitions
+#ifndef PIN_SPI_SS
+ #define PIN_SPI_SS PA4
+#endif
+#ifndef PIN_SPI_MOSI
+ #define PIN_SPI_MOSI PA7
+#endif
+#ifndef PIN_SPI_MISO
+ #define PIN_SPI_MISO PA6
+#endif
+#ifndef PIN_SPI_SCK
+ #define PIN_SPI_SCK PA5
+#endif
+
+// I2C definitions
+#ifndef PIN_WIRE_SDA
+ #define PIN_WIRE_SDA PB6
+#endif
+#ifndef PIN_WIRE_SCL
+ #define PIN_WIRE_SCL PB7
+#endif
+
+// Timer Definitions
+// Use TIM6/TIM7 when possible as servo and tone don't need GPIO output pin
+#ifndef TIMER_TONE
+ #define TIMER_TONE TIM6
+#endif
+#ifndef TIMER_SERVO
+ #define TIMER_SERVO TIM7
+#endif
+
+// UART Definitions
+#ifndef SERIAL_UART_INSTANCE
+ #define SERIAL_UART_INSTANCE 2
+#endif
+
+// Default pin used for generic 'Serial' instance
+// Mandatory for Firmata
+#ifndef PIN_SERIAL_RX
+ #define PIN_SERIAL_RX PA3
+#endif
+#ifndef PIN_SERIAL_TX
+ #define PIN_SERIAL_TX PA2
+#endif
+
+/*----------------------------------------------------------------------------
+ * Arduino objects - C++ only
+ *----------------------------------------------------------------------------*/
+
+#ifdef __cplusplus
+ // These serial port names are intended to allow libraries and architecture-neutral
+ // sketches to automatically default to the correct port name for a particular type
+ // of use. For example, a GPS module would normally connect to SERIAL_PORT_HARDWARE_OPEN,
+ // the first hardware serial port whose RX/TX pins are not dedicated to another use.
+ //
+ // SERIAL_PORT_MONITOR Port which normally prints to the Arduino Serial Monitor
+ //
+ // SERIAL_PORT_USBVIRTUAL Port which is USB virtual serial
+ //
+ // SERIAL_PORT_LINUXBRIDGE Port which connects to a Linux system via Bridge library
+ //
+ // SERIAL_PORT_HARDWARE Hardware serial port, physical RX & TX pins.
+ //
+ // SERIAL_PORT_HARDWARE_OPEN Hardware serial ports which are open for use. Their RX & TX
+ // pins are NOT connected to anything by default.
+ #ifndef SERIAL_PORT_MONITOR
+ #define SERIAL_PORT_MONITOR Serial
+ #endif
+ #ifndef SERIAL_PORT_HARDWARE
+ #define SERIAL_PORT_HARDWARE Serial2
+ #endif
+#endif
diff --git a/ini/stm32g0.ini b/ini/stm32g0.ini
new file mode 100644
index 0000000000..99f167a4df
--- /dev/null
+++ b/ini/stm32g0.ini
@@ -0,0 +1,39 @@
+#
+# Marlin Firmware
+# PlatformIO Configuration File
+#
+
+#################################
+#
+# STM32G0 Architecture
+#
+# Naming Example: STM32G0B1RET6
+#
+# G : Foundation
+# 0 : Cortex M0+ core (0:M0, 1-2:M3, 3-4:M4, 7:M7)
+# B1 : Line/Features
+# R : 64 pins (R:64 or 66, F:20)
+# E : 512KB Flash-memory (C:256KB, D:384KB, E:512KB, G:1024KB)
+# T : LQFP package
+# 6 : -40...85°C (7: ...105°C)
+#
+#################################
+
+#
+# BigTree SKR mini E3 V3.0 (STM32G0B1RET6 ARM Cortex-M0+)
+#
+[env:STM32G0B1RE_btt]
+platform = ststm32@~14.1.0
+platform_packages = framework-arduinoststm32@https://github.com/stm32duino/Arduino_Core_STM32/archive/main.zip
+extends = stm32_variant
+board = marlin_STM32G0B1RE
+board_build.offset = 0x2000
+board_upload.offset_address = 0x08002000
+build_flags = ${stm32_variant.build_flags}
+ -DADC_RESOLUTION=12
+ -DPIN_SERIAL4_RX=PC_11 -DPIN_SERIAL4_TX=PC_10
+ -DSERIAL_RX_BUFFER_SIZE=1024 -DSERIAL_TX_BUFFER_SIZE=1024
+ -DTIMER_SERVO=TIM3 -DTIMER_TONE=TIM4
+ -DSTEP_TIMER_IRQ_PRIO=0
+upload_protocol = stlink
+debug_tool = stlink
diff --git a/platformio.ini b/platformio.ini
index 55a2bd2457..74ac012f19 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -30,6 +30,7 @@ extra_configs =
ini/stm32f4.ini
ini/stm32f7.ini
ini/stm32h7.ini
+ ini/stm32g0.ini
ini/teensy.ini
#