TP80C31BH microcontroller equivalent, (tp8xcx1bh) cmos 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.
VCC: Supply voltage during normal, Idle and Power Down operations. VSS: Circuit ground. Port 0: Port 0 is an 8-bit open drain bidirectional I/O port. As an output port each pin can sink several LS TTL inputs. Port 0 pins that have 1's written to them.
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