STM32 Nucleo Morpho headers (CN7 and CN10) are two 38-pin male headers providing access to all STM32 microcontroller I/O including ADC, DAC, timers, SPI, I2C, UART, USB, and CAN signals.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | PC10 | UART4 TX SPI3 SCK | BUS |
| 2 | PC11 | UART4 RX SPI3 MISO | BUS |
| 3 | PC12 | SPI3 MOSI UART5 TX | BUS |
| 4 | PD2 | UART5 RX | BUS |
| 5 | VDD | 3.3V supply | PWR |
| 6 | E5V | 5V external supply | PWR |
| 7 | BOOT0 | Boot mode select | I/O |
| 8 | GND | Ground | GND |