Part Number	8031AH Datasheet
Manufacturer	Intel Corporation
Overview	of Intel’s thermal impedance test methodology. ~“52’80320NL’ ~ T2 L { I’__”llT2EX PI.’ P1.1 P1.2 P1.3 P1.4 P1.5 P1,6 1 2 3 4 5 6 7 40 Vcc 39 P’,’ ADO 38 PO.1AD1 37 PO.2A02 36 PO.3 A03 35 PO.4AD4 . of the MCS 51 Family, as listed below: Port Pin P3,0 P3.1 P3.2 P3,3 P3.4 P3.5 P3.6 P3.7 Alternative Function RXD (serial input port) TXD (serial output port) INTO(external interrupt O) INT1 (external interrupt 1) TO(Timer Oexternal input) T1 (Timer 1 external input) WR (external data memory write .