DGND1DLOAD2P3.0/RxD3P3.1/TxD4P3.2/INT0#5P3.3/INT1#6P3.4/T0/CONVST#7P1.0/T28P1.1/T2EX9RESET10P1.2/ADC011P1.3/ADC112AVDD13AGND14AGND15VREF16CREF17P1.4/ADC218P1.5/ADC319P1.6/ADC4/DAC020P1.7/ADC5/DAC121P3.5/T1/SS#/EXTCLK22P3.6/MISO23P3.7/SDATA/MOSI24SCLOCK25XTAL126XTAL227DVDD28