| secondary | primary | pin | | pin | primary | secondary |
|---|
| | GND | | RESET | | |
|---|
| PWM0 | PA0 | WAKEUP | | |
| SIM_DATA, PWM1, SPI(M/S)_CK, GPIOPA_1 | - | PA1 | PB12 | UART1_RX | H_SPI_DO, SDIO_DAT3, I²C_DAT, GPIOPB_12 |
| | 3V3 | PB11 | UART1_RX | H_SPI_DI, SDIO_DAT2, I²C_SCL, GPIOPB_11 |
| | 5V | PB10 | UART1_RTS | H_SPI_CS, SDIO_DAT1, I²S_M_RL, GPIOPB_10 |
| I2C_SCL, SDIO_CMD, GPIOPB_13 | PWM1 | PB13 | PB9 | UART1_CTS | H_SPIN_INT, SDIO_DATA0, I²S_M_SDA, GPIOPB_9 |
| PWM4, I²C_SDA, I²S_S_SDA, GPIOPB_14 | H_SPI_INT | PB14 | PB8 | PWM4 | H_SPI_CK, SDIO_CK, I²S_M_SC L, GPIOPB_8 |
| PWM3, SPI(M/S)_CS, I²S_SCL, GPIOPB_15 | H_SPI_CS | PB15 | PB7 | - | SWCK, UART0_TX, SDIO_CMD, SPI(M/S)_CS, GPIOPB_7 |
| PWM2, SPI(M/S)_CK, I²S_S_RL, GPIOPB_16 | H_SPI_CK | PB16 | PB6 | - | SWDAT, UART0_RX, PWM3, SIM_CLK, GPIOBP_6 |
| PWM1, SPI(M/S)_DI, UART1_RX, GPIOPB_17 | H_SPI_DI (MISO) | PB17 | PB18 | H_SPI_DO (MOSI) | PWM0, SPI(M/S)_DO, UART1_TX, GPIOPB_18 |
A Second Look at the W600-PICO Development Board