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D87C51 - CHMOS Single-Chip 8-Bit Microcontroller

General Description

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.

Key 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 External Data Memory Read strobe PIN.

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Datasheet Details

Part number D87C51
Manufacturer Intel
File Size 2.18 MB
Description CHMOS Single-Chip 8-Bit Microcontroller
Datasheet download datasheet D87C51 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
87C51/80C51BH/80C31BH CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER Commercial/Express 87C51/80C51BH/80C51BHP/80C31BH *See Table 1 for Proliferation Options ■ ■ ■ 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 (- 40°C to + 85 ° C) ■ ■ ■ 5 Interrupt Sources Programmable Serial Port TTL- and CMOS-Compatible Logic Levels 64K External Program Memory Space 64K External Data Memory Space ONCE Mode Facilitates System Testing Power Control Modes • Idle • Power Down ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ MEMORY ORGANIZATION PROGRAM MEMORY: Up to 4 Kbytes of the program memory can reside on-chip (except 80C31BH).