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Board Entry Info
| Generic Board | Pkg | Product Line | Flash | RAM | Cortex | FPU | CPU | Wireless | USB | CAN/FDCAN | ETH | SVD |
|---|
| Generic U073H8Yx | Y | STM32U073xx | 64 KB | 40 KB | Cortex-M0+ | No | Single CPU | No | Yes | No | No | STM32U073.svd |
| Generic U073HBYx | Y | STM32U073xx | 128 KB | 40 KB | Cortex-M0+ | No | Single CPU | No | Yes | No | No | STM32U073.svd |
| Generic U073HCYx | Y | STM32U073xx | 256 KB | 40 KB | Cortex-M0+ | No | Single CPU | No | Yes | No | No | STM32U073.svd |
| Generic U083HCYx | Y | STM32U083xx | 256 KB | 40 KB | Cortex-M0+ | No | Single CPU | No | Yes | No | No | STM32U083.svd |
See more info in the STM32duino repository
PWM Timer Pins
| Pin | PWM Timer | Channel | Generic label |
| PA_0 | TIM2 | 1 | D0/A0 |
| PA_1 (no. alternatives: 1) | TIM2 | 2 | D1/A1 |
| PA_1_ALT1 | TIM15 | 1N |
| PA_2 (no. alternatives: 1) | TIM2 | 3 | D2/A2 |
| PA_2_ALT1 | TIM15 | 1 |
| PA_3 (no. alternatives: 1) | TIM2 | 4 | D3/A3 |
| PA_3_ALT1 | TIM15 | 2 |
| PA_5 | TIM2 | 1 | D5/A5 |
| PA_6 (no. alternatives: 1) | TIM3 | 1 | D6/A6 |
| PA_6_ALT1 | TIM16 | 1 |
| PA_7 (no. alternatives: 1) | TIM1 | 1N | D7/A7 |
| PA_7_ALT1 | TIM3 | 2 |
| PA_8 | TIM1 | 1 | D8 |
| PA_9 | TIM1 | 2 | D9 |
| PA_10 | TIM1 | 3 | D10 |
| PA_11 | TIM1 | 4 | D11 |
| PA_15 | TIM2 | 1 | D15 |
| PB_0 (no. alternatives: 1) | TIM1 | 2N | D16/A8 |
| PB_0_ALT1 | TIM3 | 3 |
| PB_1 (no. alternatives: 1) | TIM1 | 3N | D17/A9 |
| PB_1_ALT1 | TIM3 | 4 |
| PB_3 | TIM2 | 2 | D19 |
| PB_4 | TIM3 | 1 | D20 |
| PB_5 | TIM3 | 2 | D21 |
| PB_6 | TIM16 | 1N | D22 |
| PB_8 | TIM16 | 1 | D24 |
| PB_10 | TIM2 | 3 | D25 |
ADC Pins
| Pin | ADC | Channel | Generic label |
| PA_0 | ADC1 | 4 | D0/A0 |
| PA_1 | ADC1 | 5 | D1/A1 |
| PA_2 | ADC1 | 6 | D2/A2 |
| PA_3 | ADC1 | 7 | D3/A3 |
| PA_4 | ADC1 | 8 | D4/A4 |
| PA_5 | ADC1 | 9 | D5/A5 |
| PA_6 | ADC1 | 10 | D6/A6 |
| PA_7 | ADC1 | 14 | D7/A7 |
| PB_0 | ADC1 | 17 | D16/A8 |
| PB_1 | ADC1 | 18 | D17/A9 |
UART Pins
| Pin | Peripheral | Signal | Generic label |
| PA_0 | USART4 | TX | D0/A0 |
| PA_2 (no. alternatives: 1) | LPUART1 | TX | D2/A2 |
| PA_2_ALT1 | USART2 | TX |
| PA_4 | LPUART3 | TX | D4/A4 |
| PA_5 | USART3 | TX | D5/A5 |
| PA_9 | USART1 | TX | D9 |
| PB_6 (no. alternatives: 2) | LPUART2 | TX | D22 |
| PB_6_ALT1 | LPUART3 | TX |
| PB_6_ALT2 | USART1 | TX |
| PB_8 | USART3 | TX | D24 |
| PB_10 (no. alternatives: 1) | USART3 | TX | D25 |
| PB_10_ALT1 | LPUART2 | RX |
| PA_1 | USART4 | RX | D1/A1 |
| PA_3 (no. alternatives: 1) | LPUART1 | RX | D3/A3 |
| PA_3_ALT1 | USART2 | RX |
| PA_5 | LPUART3 | RX | D5/A5 |
| PA_7 | USART3 | RX | D7/A7 |
| PA_10 | USART1 | RX | D10 |
| PA_15 (no. alternatives: 1) | USART2 | RX | D15 |
| PA_15_ALT1 | USART4 | RTS |
| PB_7 (no. alternatives: 2) | LPUART2 | RX | D23 |
| PB_7_ALT1 | LPUART3 | RX |
| PB_7_ALT2 | USART1 | RX |
| PB_10 (no. alternatives: 1) | LPUART1 | RX | D25 |
| PB_10_ALT1 | LPUART2 | RX |
| PA_1 | USART2 | RTS | D1/A1 |
| PA_12 | USART1 | RTS | D12 |
| PA_15 (no. alternatives: 1) | USART3 | RTS | D15 |
| PA_15_ALT1 | USART4 | RTS |
| PB_1 (no. alternatives: 2) | LPUART1 | RTS | D17/A9 |
| PB_1_ALT1 | LPUART2 | RTS |
| PB_1_ALT2 | USART3 | RTS |
| PB_3 | USART1 | RTS | D19 |
| PB_4 | LPUART3 | RTS | D20 |
| PA_0 | USART2 | CTS | D0/A0 |
| PA_6 (no. alternatives: 1) | LPUART1 | CTS | D6/A6 |
| PA_6_ALT1 | USART3 | CTS |
| PA_11 | USART1 | CTS | D11 |
| PB_0 | LPUART2 | CTS | D16/A8 |
| PB_4 | USART1 | CTS | D20 |
| PB_5 | LPUART3 | CTS | D21 |
| PB_7 (no. alternatives: 2) | USART4 | CTS | D23 |
| PB_7_ALT1 | LPUART3 | RX |
| PB_7_ALT2 | USART1 | RX |
SPI Pins
| Pin | Peripheral | Signal | Generic label |
| PA_7 | SPI1 | MOSI | D7/A7 |
| PA_12 (no. alternatives: 1) | SPI1 | MOSI | D12 |
| PA_12_ALT1 | SPI2 | MOSI |
| PB_5 (no. alternatives: 1) | SPI1 | MOSI | D21 |
| PB_5_ALT1 | SPI3 | MOSI |
| PA_6 | SPI1 | MISO | D6/A6 |
| PA_11 (no. alternatives: 1) | SPI1 | MISO | D11 |
| PA_11_ALT1 | SPI2 | MISO |
| PB_4 (no. alternatives: 1) | SPI1 | MISO | D20 |
| PB_4_ALT1 | SPI3 | MISO |
| PA_1 (no. alternatives: 1) | SPI1 | SCLK | D1/A1 |
| PA_1_ALT1 | SPI2 | SCLK |
| PA_5 | SPI1 | SCLK | D5/A5 |
| PB_3 (no. alternatives: 1) | SPI1 | SCLK | D19 |
| PB_3_ALT1 | SPI3 | SCLK |
| PB_10 | SPI2 | SCLK | D25 |
| PA_4 (no. alternatives: 1) | SPI1 | SSEL | D4/A4 |
| PA_4_ALT1 | SPI3 | SSEL |
| PA_10 | SPI2 | SSEL | D10 |
| PA_15 (no. alternatives: 1) | SPI1 | SSEL | D15 |
| PA_15_ALT1 | SPI3 | SSEL |
| PB_0 | SPI1 | SSEL | D16/A8 |
I2C Pins
| Pin | Peripheral | Signal | Generic label |
| PA_6 (no. alternatives: 1) | I2C2 | SDA | D6/A6 |
| PA_6_ALT1 | I2C3 | SDA |
| PA_10 (no. alternatives: 1) | I2C1 | SDA | D10 |
| PA_10_ALT1 | I2C2 | SDA |
| PB_4 (no. alternatives: 1) | I2C2 | SDA | D20 |
| PB_4_ALT1 | I2C3 | SDA |
| PB_7 (no. alternatives: 2) | I2C1 | SDA | D23 |
| PB_7_ALT1 | I2C2 | SDA |
| PB_7_ALT2 | I2C4 | SDA |
| PA_7 (no. alternatives: 1) | I2C2 | SCL | D7/A7 |
| PA_7_ALT1 | I2C3 | SCL |
| PA_9 (no. alternatives: 1) | I2C1 | SCL | D9 |
| PA_9_ALT1 | I2C2 | SCL |
| PB_3 (no. alternatives: 1) | I2C2 | SCL | D19 |
| PB_3_ALT1 | I2C3 | SCL |
| PB_6 (no. alternatives: 2) | I2C1 | SCL | D22 |
| PB_6_ALT1 | I2C2 | SCL |
| PB_6_ALT2 | I2C4 | SCL |
| PB_8 (no. alternatives: 1) | I2C1 | SCL | D24 |
| PB_8_ALT1 | I2C2 | SCL |
| PB_10 (no. alternatives: 1) | I2C2 | SCL | D25 |
| PB_10_ALT1 | I2C4 | SCL |
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