Table of Contents
NUCLEO-H503RB
This demo board contains a 250 MHz STM32H503RBT6 Arm Cortex-M33 MCU with 128KB Flash and 32KB RAM.
Pinout
PB14 USART1 TX ARDUINO D1 TX PB15 USART1 RX ARDUINO D0 RX PA3 USART3 RX VCP RX PA4 USART3 TX VCP TX PC13 BUTTON PA5 LED GREEEN LSE X2 32.768 KHz HSE X3 NX2016SA 24 MHz
Arduino compatible headers
PB6 D15 I2C1 SCL
PB7 D14 I2C1 SDA
AVDD
NC GND
IOREF LED PA5 D13 SPI1 SCK
RESET PA6 D12 SPI1 MISO
3V3 PA7 D11 SPI1 MOSI
5V PC9 D10 SPI1 CS
GND PC6 D9
GND PC7 D8
VIN
PA8 D7
PB10 D6
AD0 PA0 PB4 D5
AD1 PA1 PB5 D4
AD2 PA2 PB3 D3
AD3 PB0 PA10 D2
AD4 PC1 PB14 D1 USART1 TX
AD5 PC0 PB15 D0 USART1 RX