N8031AH - 8-BIT CONTROL ORIENTED MICROCOMPUTERS

of Intel’s thermal impedance test methodology.

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• 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 strobe) ~ (external data memory read strobe) I Port Pin P1.0 P1.1 I Alternative Function T2 (Timer/Counter 2 External Input) T2EX (Timer/Counter 2 Capture/Reload Trigger) I RST: Reset input. A hig.