80C51BH Datasheet - Intel Corporation

80C51BH, CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER

87C51 80C51BH 80C31BH CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER Commercial Express 87C51 80C51BH 80C51BHP 80C31BH See Table 1 for Proliferation Options .
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 o.

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Datasheet Details

Part number:

80C51BH

Manufacturer:

Intel Corporation

File Size:

284.04 KB

Description:

CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER

Features

* 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 line External Interrupt 0 External Interrupt 1 Timer 0 external input Timer 1 external input External Data Memory Write strobe Extern

Applications

* The Idle mode freezes the CPU while allowing the RAM timer counters serial port and interrupt system to continue functioning The Power Down mode saves the RAM contents but freezes the oscillator causing all other chip functions to be inoperative For the remainder of this document the 87C51 80C51BH a

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80C51BH CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER Intel Corporation

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