VDD_IN1GND2XTA3XTB4GND5DIO36VREG7GND8DCC_SW9VBAT10VBAT_IO11DIO212DIO113BUSY14NRESET15MISO16MOSI17SCK18NSS19GND20RFI_P21RFI_N22RFO23VR_PA24GND25