VDD_3V31UART_TX(OUT)2UART_RX(IN)3GPIO_204RESET_N5WAKE6GPIO_237GPIO_178GPIO_199GND10SPI_MOSI(IN)11UART_CTS(IN)12SPI_MISO(OUT)13N/C14GPIO_2115UART_RTS(OUT)16SPI_CS(IN)17SPI_SCK(IN)18I2C_SCL19I2C_SDA20