VSS1XIN/P0.02XOUT/P0.13RST/P0.24UTX/P0.55URX/P0.66SCL/P1.47SDA/P1.58T2RL/INT1/P2.29T2/INT2/P2.310P5.3/AIN11/PWM3111P5.2/AIN10/PWM3012P5.1/AIN9/PWM2113P5.0/AIN8/PWM2014P4.7/AIN7/PWM1115P4.6/AIN6/PWM1016P4.0/AIN0/SWAT17P5.5/AVREFL18P5.4/AVREFH19VDD20