Board Schematic

STM32 Pinout

STM32F407 (1)

Function	Signal	STM32 Pin
ADC 1	AD1	PB0
ADC 1	AD2	PB1
UART 1	TX	PD8
UART 1	RX	PD9
SPI	CS1	PA15
SPI	SCK	PC10
SPI	MISO	PC11
SPI	MOSI	PC12
Reserved	ESTOP/RSDV	PD0
IIC 1	SCL	PB10
IIC 1	SDA	PB11
SWD 1	SWDIO	PA13
SWD 1	SWCLK	PA14
RS485-2	RX	PC6
RS485-2	TX	PC7
RS485-1	RX	PB6
RS485-1	TX	PB7
CAN2	RX	PB12
CAN2	TX	PB13
CAN1	RX	PB8
CAN1	TX	PB9

STM32F407 (2)

Function	Signal	STM32 Pin
ADC 2	AD1	PB0
ADC 2	AD2	PB1
UART 2	TX	PD8
UART 2	RX	PD9
SPI	CS2	PA15
SPI	SCK	PC10
SPI	MISO	PC11
SPI	MOSI	PC12
Reserved	ESTOP/RSDV	PD0
IIC 2	SCL	PB10
IIC 2	SDA	PB11
SWD 2	SWDIO	PA13
SWD 2	SWCLK	PA14
RS485-3	RX	PB6
RS485-3	TX	PB7
RS485-4	RX	PC6
RS485-4	TX	PC7
CAN3	RX	PB8
CAN3	TX	PB9
CAN4	RX	PB12
CAN4	TX	PB13