P80C31BH microcontroller equivalent, (p80c31bh / p80c51bh) chmos single-chip 8-bit microcontroller.
of the MCS-51 Family, as listed below: Pin P3.0 P3.1 P3.2 P3.3 P3.4 P3.5 P3.6 P3.7 Name RXD TXD INT0 INT1 T0 T1 WR RD Alternate Function Serial input line Serial output l.
The Idle mode freezes the CPU while allowing the RAM, timer/counters, serial port and interrupt system to continue func.
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