87C54-20 Intel Corporation, 87C54-20 Datasheet

87C54-20

Manufacturer Part Number

87C54-20

Description

CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER WITH 16 KBYTES USER PROGRAMMABLE EPROM

Manufacturer

Intel Corporation

Datasheet

1.87C54-20.pdf (20 pages)

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MEMORY ORGANIZATION

PROGRAM MEMORY Up to 16 Kbytes of the program memory can reside in the on-chip EPROM The device

can also address up to 64K of program memory external to the chip

DATA MEMORY This microcontroller has a 256 x 8 on-chip RAM In addition it can address up to 64 Kbytes of

external data memory

The Intel 87C54 is a single-chip control-oriented microcontroller which is fabricated on Intel’s reliable

CHMOS EPROM technology Being a member of the MCS-51 family the 87C54 uses the same powerful

instruction set has the same architecture and is pin-for-pin compatible with the existing MCS-51 family of

products The 87C54 is an enhanced version of the 87C51FB Its added features of 16 Kbytes of program

memory make it an even more powerful microcontroller for applications that require High Speed I O and

up down counting capabilities such as brake and traction control

Extended Automotive Temperature

Range (

High Performance CHMOS EPROM

Three 16-Bit Timer Counters

One-to-Three Level Program Data Lock

System

16K On-Chip EPROM ROM

256 Bytes of On-Chip Data RAM

Quick Pulse Programming Algorithm

Boolean Processor

32 Programmable I O Lines

7 Interrupt Sources

Information in this document is provided in connection with Intel products Intel assumes no liability whatsoever including infringement of any patent or

copyright for sale and use of Intel products except as provided in Intel’s Terms and Conditions of Sale for such products Intel retains the right to make

changes to these specifications at any time without notice Microcomputer Products may have minor variations to this specification known as errata

Other brands and names are the property of their respective owners

WITH 16 KBYTES USER PROGRAMMABLE EPROM

CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER

40 C to

INTEL CORPORATION 1995

125 C Ambient)

87C54 87C54-20

Automotive

February 1994

Programmable Serial Channel with

TTL and CMOS Compatible Logic

Levels

64K External Program Memory Space

64K External Data Memory Space

MCS -51 Compatible Instruction Set

Power Saving Idle and Power Down

Modes

ONCE (On-Circuit Emulation) Mode

RFI Reduction Mode

Available in 12 MHz 16 MHz and

20 MHz Versions

Available in PLCC and DIP Packages

(See Packaging Spec Order

Framing Error Detection

Automatic Address Recognition

231369)

Order Number 270849-004

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