GND1RFIO2GND3nReset4NC5NC6NC7NC8GPIO19GPIO210GND11GND12VCC13VCC14NC15NC16GND17NC18UART_TX19UART_RX20Reload21NC22WAKE23HOST_WAKE24GPIOA525NC26NC27GND28GND29485controlpin30GPIOD131GPIOD232SWIM33GPIOB134GPIOB235GPIOB336NC37NC38NC39NC40NC41NC42NC43NC44