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Board Entry Info
| Generic Board | Pkg | Product Line | Flash | RAM | Cortex | FPU | CPU | Wireless | USB | CAN/FDCAN | ETH | SVD |
|---|
| Generic H503EBYx | Y | STM32H503xx | 128 KB | 32 KB | Cortex-M33 | Yes | Single CPU | No | Yes | Yes | No | STM32H503.svd |
See more info in the STM32duino repository
PWM Timer Pins
| Pin | PWM Timer | Channel | Generic label |
| PA_0 (no. alternatives: 1) | TIM2 | 1 | D0/A0 |
| PA_0_ALT1 | TIM3 | 1 |
| PA_5 | TIM2 | 1 | D1/A1 |
| PA_7 (no. alternatives: 2) | TIM1 | 1N | D2/A2 |
| PA_7_ALT1 | TIM2 | 3 |
| PA_7_ALT2 | TIM3 | 2 |
| PA_8 (no. alternatives: 2) | TIM1 | 1 | D3 |
| PA_8_ALT1 | TIM1 | 4N |
| PA_8_ALT2 | TIM3 | 3 |
| PA_9 | TIM1 | 2 | D4 |
| PA_11 (no. alternatives: 1) | TIM1 | 4 | D5 |
| PA_11_ALT1 | TIM3 | 2 |
| PA_12 (no. alternatives: 1) | TIM2 | 4 | D6 |
| PA_12_ALT1 | TIM3 | 4 |
| PA_13 | TIM1 | 1 | D7 |
| PA_14 (no. alternatives: 2) | TIM1 | 2 | D8 |
| PA_14_ALT1 | TIM1 | 4N |
| PA_14_ALT2 | TIM3 | 1 |
| PA_15 | TIM2 | 1 | D9 |
| PB_3 | TIM2 | 2 | D10 |
| PB_4 (no. alternatives: 2) | TIM1 | 2 | D11 |
| PB_4_ALT1 | TIM1 | 4N |
| PB_4_ALT2 | TIM3 | 1 |
| PB_5 (no. alternatives: 1) | TIM1 | 3 | D12 |
| PB_5_ALT1 | TIM3 | 2 |
| PB_6 (no. alternatives: 2) | TIM1 | 2 | D13 |
| PB_6_ALT1 | TIM1 | 3N |
| PB_6_ALT2 | TIM3 | 3 |
| PB_7 (no. alternatives: 1) | TIM1 | 1 | D14 |
| PB_7_ALT1 | TIM1 | 2N |
| PB_15 (no. alternatives: 1) | TIM1 | 3N | D16 |
| PB_15_ALT1 | TIM3 | 4 |
ADC Pins
| Pin | ADC | Channel | Generic label |
| PA_0 | ADC1 | 0 | D0/A0 |
| PA_5 | ADC1 | 19 | D1/A1 |
| PA_7 | ADC1 | 7 | D2/A2 |
UART Pins
| Pin | Peripheral | Signal | Generic label |
| PA_5 | USART2 | TX | D1/A1 |
| PA_8 (no. alternatives: 1) | USART2 | TX | D3 |
| PA_8_ALT1 | USART3 | TX |
| PA_9 (no. alternatives: 1) | LPUART1 | TX | D4 |
| PA_9_ALT1 | USART1 | TX |
| PA_12 (no. alternatives: 2) | USART1 | TX | D6 |
| PA_12_ALT1 | USART2 | TX |
| PA_12_ALT1 | USART1 | RTS |
| PA_14 (no. alternatives: 1) | USART1 | TX | D8 |
| PA_14_ALT1 | USART2 | TX |
| PB_3 | USART3 | TX | D10 |
| PB_4 | USART2 | TX | D11 |
| PB_6 (no. alternatives: 1) | LPUART1 | TX | D13 |
| PB_6_ALT1 | USART1 | TX |
| PB_7 (no. alternatives: 1) | USART3 | TX | D14 |
| PB_7_ALT1 | USART1 | RX |
| PA_5 | USART3 | RX | D1/A1 |
| PA_11 (no. alternatives: 2) | USART1 | RX | D5 |
| PA_11_ALT1 | USART2 | RX |
| PA_11_ALT1 | USART1 | CTS |
| PA_12 (no. alternatives: 2) | USART3 | RX | D6 |
| PA_12_ALT1 | USART2 | TX |
| PA_12_ALT1 | USART1 | RTS |
| PA_13 (no. alternatives: 1) | USART1 | RX | D7 |
| PA_13_ALT1 | USART2 | RX |
| PA_15 (no. alternatives: 1) | USART2 | RX | D9 |
| PA_15_ALT1 | USART3 | RX |
| PB_5 | USART2 | RX | D12 |
| PB_7 (no. alternatives: 1) | LPUART1 | RX | D14 |
| PB_7_ALT1 | USART1 | RX |
| PB_8 | USART3 | RX | D15 |
| PB_15 (no. alternatives: 2) | LPUART1 | RX | D16 |
| PB_15_ALT1 | USART1 | RX |
| PB_15_ALT2 | USART2 | RX |
| PA_5 | LPUART1 | RTS | D1/A1 |
| PA_7 (no. alternatives: 1) | USART1 | RTS | D2/A2 |
| PA_7_ALT1 | USART3 | RTS |
| PA_11 (no. alternatives: 2) | USART3 | RTS | D5 |
| PA_11_ALT1 | USART2 | RX |
| PA_11_ALT1 | USART1 | CTS |
| PA_12 (no. alternatives: 2) | LPUART1 | RTS | D6 |
| PA_12_ALT1 | USART2 | TX |
| PA_12_ALT1 | USART1 | RTS |
| PA_14 (no. alternatives: 1) | LPUART1 | RTS | D8 |
| PA_14_ALT1 | USART2 | TX |
| PA_15 (no. alternatives: 1) | USART2 | RTS | D9 |
| PA_15_ALT1 | USART3 | RX |
| PB_15 (no. alternatives: 2) | USART2 | RTS | D16 |
| PB_15_ALT1 | USART1 | RX |
| PB_15_ALT2 | USART2 | RX |
| PA_0 (no. alternatives: 2) | USART1 | CTS | D0/A0 |
| PA_0_ALT1 | USART2 | CTS |
| PA_0_ALT2 | USART3 | CTS |
| PA_5 | USART2 | CTS | D1/A1 |
| PA_8 (no. alternatives: 1) | LPUART1 | CTS | D3 |
| PA_8_ALT1 | USART3 | TX |
| PA_11 (no. alternatives: 2) | LPUART1 | CTS | D5 |
| PA_11_ALT1 | USART2 | RX |
| PA_11_ALT1 | USART1 | CTS |
| PA_13 (no. alternatives: 1) | LPUART1 | CTS | D7 |
| PA_13_ALT1 | USART2 | RX |
| PA_15 (no. alternatives: 1) | USART1 | CTS | D9 |
| PA_15_ALT1 | USART3 | RX |
| PB_6 (no. alternatives: 1) | USART2 | CTS | D13 |
| PB_6_ALT1 | USART1 | TX |
| PB_15 (no. alternatives: 2) | USART3 | CTS | D16 |
| PB_15_ALT1 | USART1 | RX |
| PB_15_ALT2 | USART2 | RX |
SPI Pins
| Pin | Peripheral | Signal | Generic label |
| PA_5 (no. alternatives: 1) | SPI3 | MOSI | D1/A1 |
| PA_5_ALT1 | SPI2 | SCLK |
| PA_7 | SPI1 | MOSI | D2/A2 |
| PA_8 | SPI2 | MOSI | D3 |
| PA_9 | SPI3 | MOSI | D4 |
| PB_5 (no. alternatives: 1) | SPI1 | MOSI | D12 |
| PB_5_ALT1 | SPI3 | MOSI |
| PB_15 | SPI2 | MOSI | D16 |
| PA_0 | SPI1 | MISO | D0/A0 |
| PA_7 | SPI2 | MISO | D2/A2 |
| PA_9 | SPI1 | MISO | D4 |
| PA_15 (no. alternatives: 1) | SPI2 | MISO | D9 |
| PA_15_ALT1 | SPI3 | SSEL |
| PB_4 (no. alternatives: 1) | SPI1 | MISO | D11 |
| PB_4_ALT1 | SPI3 | MISO |
| PB_5 (no. alternatives: 1) | SPI2 | MISO | D12 |
| PB_5_ALT1 | SPI3 | MOSI |
| PB_15 | SPI3 | MISO | D16 |
| PA_5 (no. alternatives: 1) | SPI1 | SCLK | D1/A1 |
| PA_5_ALT1 | SPI2 | SCLK |
| PA_8 | SPI1 | SCLK | D3 |
| PA_9 | SPI2 | SCLK | D4 |
| PA_12 | SPI2 | SCLK | D6 |
| PA_15 (no. alternatives: 1) | SPI3 | SCLK | D9 |
| PA_15_ALT1 | SPI3 | SSEL |
| PB_3 (no. alternatives: 1) | SPI1 | SCLK | D10 |
| PB_3_ALT1 | SPI3 | SCLK |
| PB_7 | SPI3 | SCLK | D14 |
| PA_0 | SPI3 | SSEL | D0/A0 |
| PA_8 | SPI2 | SSEL | D3 |
| PA_11 | SPI2 | SSEL | D5 |
| PA_15 (no. alternatives: 1) | SPI1 | SSEL | D9 |
| PA_15_ALT1 | SPI3 | SSEL |
| PB_4 (no. alternatives: 1) | SPI2 | SSEL | D11 |
| PB_4_ALT1 | SPI3 | MISO |
| PB_8 | SPI1 | SSEL | D15 |
I2C Pins
| Pin | Peripheral | Signal | Generic label |
| PB_3 | I2C2 | SDA | D10 |
| PB_4 | I2C2 | SDA | D11 |
| PB_5 | I2C1 | SDA | D12 |
| PB_7 | I2C1 | SDA | D14 |
| PB_8 | I2C2 | SDA | D15 |
| PB_3 | I2C2 | SCL | D10 |
| PB_5 | I2C2 | SCL | D12 |
| PB_6 | I2C1 | SCL | D13 |
| PB_8 | I2C1 | SCL | D15 |
CAN Pins
| Pin | Peripheral | Signal | Generic label |
| PA_8 | FDCAN1 | RD | D3 |
| PA_11 | FDCAN1 | RD | D5 |
| PB_3 | FDCAN1 | RD | D10 |
| PB_5 | FDCAN1 | RD | D12 |
| PB_8 | FDCAN1 | RD | D15 |
| PA_12 | FDCAN1 | TD | D6 |
| PB_4 | FDCAN1 | TD | D11 |
| PB_6 | FDCAN1 | TD | D13 |
| PB_7 | FDCAN1 | TD | D14 |
| PB_15 | FDCAN1 | TD | D16 |
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