P1.1/AIN21P1.2/AIN3/REFIN2+2P1.3/AIN4/REFIN2–3AVDD4AGND5AGND6REFIN–7REFIN+8P1.4/AIN59P1.5/AIN610P1.6/AIN7/IEXC111P1.7/AIN8/IEXC212AINCOM/DAC13DAC14AIN915AIN1016RESET17P3.0/RxD18P3.1/TxD19P3.2/INT0#20P3.3/INT1#21DVDD22DGND23P3.4/T024P3.5/T125P3.6/WR#26P3.7/RD#27SCLK(I2C)28SDATA29P2.0/SCLOCK(SPI)30P2.1/MOSI31P2.2/MISO32P2.3/SS#/T233XTAL134XTAL235DVDD36DGND37DGND38P2.4/T2EX39P2.5/PWM040P2.6/PWM141P2.7/PWMCLK42EA#43PSEN#44ALE45P0.0/AD046P0.1/AD147P0.2/AD248P0.3/AD349DGND50DVDD51P0.4/AD452P0.5/AD553P0.6/AD654P0.7/AD755P1.0/AIN156EP57