NC1NC2EXTCLK/XTAL13XTAL24VREF5VDDMS6VDDIF7CLKTUNE8VDDCLK9VDDSYN10VDDVCO11VCOTUNE12NC13NC14VDDLNA15RF_P16RF_N17VDDPA118VDDPA219VDDREG20EXTON21FORCEON22WAKEUP23SPICSn24VDDAON25VDDLDOD26RSTn27VDDIOA28SYNC/GPIO729GPIO6/EXTRXE/SPIPOL30VDDIO31VSSIO32GPIO5/EXTTXE/SPIPHA33GPIO4/EXTPA34GPIO3/TXLED35GPIO2/RXLED36GPIO1/SFDLED37GPIO0/RXOKLED38SPIMOSI39SPIMISO40SPICLK41VDDIO42VSSIO43VDDDIG44IRQ/GPIO845TESTMODE46VDDBATT47VDDLDOA48EP49