VBAT_RAW | VBAT_RAW USB_HB_DP|USB_HB_DM GND | GND NFC_GND | NFC_ANT GND | GND VBUS_OTG | VBAT_SWITCHED GPIO_d/3V3 | GPIO_c GPIO_b | GPIO_a UART_TX | UART_RX UART_CTS | UART_RTS