CLKOUT2/P1.01P1.12P1.23P1.34P1.45P1.56INT#/RxD/P1.67TxD/P1.78P4.7/RST9INT#/RxD/P3.010TxD/P3.111INT0#/P3.212INT1#/P3.313CLKOUT0/INT#/T0/P3.414CLKOUT1/INT#/T1/P3.515WR#/P3.616RD#/P3.717XTAL218XTAL119Gnd20P2.021P2.122P2.223P2.324P2.425P2.526P2.627P2.728NA/P4.429ALE/P4.530NA/P4.631P0.732P0.633P0.534P0.435P0.336P0.237P0.138P0.039Vcc40