RFIOm34RFIOp35VDCDC19VDCDC_RF31RST17VPP38SWDIO25SWITCH21SW_CLK26VBAT1V23VBAT3V15VBAT_RF14XTAL16Mm30XTAL16Mp29XTAL32Km11XTAL32Kp12GND16P2_9/SPI_DI39P2_837P2_736P2_633P2_532P2_4/SPI_DO20P2_3/SPI_EN18P2_213P2_18P2_0/SPI_CLK40P1_328P1_227P1_124P1_022P0_710P0_69P0_57P0_46P0_34P0_23P0_12P0_01VCC_FLASH5EP41