TDO1TDI2TMS3TCK4SIGIN5SIGOUT6DVDD7VDD8AVDD9AUX110AUX211RXP12RXN13VMID14TX215TVSS16TX117TVDD18XTAL119XTAL220PDOWN21CLKOUT22SCL23SDA24PVDD25IFSEL026IFSEL127IF028IF129IF230IF331IRQ32VSS33