VDD_A1VIN2VDD_RF3VDD_PA4TX_OUT5VSS_PA6VSS_RX7RX_IN18RX_IN29Vss10BAND_GAP11ASK/OOK12IRQ13MOD14VSS_A15VDD_I/O16I/O_017I/O_118I/O_219I/O_320I/O_421I/O_522I/O_623I/O_724EN225DATA_CLK26SYS_CLK27EN28VSS_D29OSC_OUT30OSC_IN31VDD_X32EP33