TX11TX22NC3NC4RX15RX26NC7GND_RX8ST_R09NC10NC11UART_RX/IRQ_IN#12VPS13UART_TX/IRQ_OUT#14SPI_SS#15SPI_MISO16SPI_MOSI17SPI_SCK18SSI_019SSI_120ST_R121GND22NC23NC24NC25NC26NC27NC28XIN29XOUT30GND_TX31VPS_TX32EP33