80C51BH Datasheet - Intel Corporation

80C51BH - CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER

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 float and in that state can be used as high-impedance inp

87C51 80C51BH 80C31BH CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER Commercial Express 87C51 80C51BH 80C51BHP 80C31BH See Table 1 for Proliferation Options Y Y Y High Performance CHMOS EPROM 24 MHz Operation Improved Quick-Pulse Programming Algorithm 3-Level Program Memory Lock Boolean Processor 128-Byte Data RAM 32 Programmable I O Lines Two 16-Bit Timer Counters Extended Temperature Range ( b 40 C to a 85 C) Y Y Y 5 Interrupt Sources Programmable Serial Port TTL- and CMOS-Compatible Logic Levels

80C51BH 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

80C51BH_IntelCorporation.pdf

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Datasheet Details

Part number:

80C51BH

Manufacturer:

Intel Corporation

File Size:

284.04 KB

Description:

Chmos single-chip 8-bit microcontroller.

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