LNA_IN1VDD3P32VDD3P33XTAL_32K_P4XTAL_32K_N5GPIO26CHIP_EN7GPIO38MTMS9MTDI10VDD3P3_RTC11MTCK12MTDO13GPIO814GPIO915GPIO1016VDD3P3_CPU17VDD_SPI18SPIHD19SPIWP20SPICS021SPICLK22SPID23SPIQ24GPIO1825GPIO1926U0RXD27U0TXD28XTAL_N29XTAL_P30VDDA31VDDA32EP33