89C51RE2 Datasheet PDF - ATMEL AT89C51RE2 Specs

89C51RE2 - AT89C51RE2

Datasheet Summary

Description

AT89C51RE2 is a high performance CMOS Flash version of the 80C51 CMOS single chip 8-bit microcontroller.

It contains a 128 Kbytes Flash memory block for program.

The 128 Kbytes Flash memory can be programmed either in parallel mode or in serial mode with the ISP capability or with software.

Features

80C52 Compatible.
8051 Instruction Compatible.
Four 8-bit I/O Ports (44 Pins Version).
Three 16-bit Timer/Counters.
256 bytes Scratch Pad RAM.
11 Interrupt Sources With 4 Priority Levels.
ISP (In-System Programming) Using Standard VCC Power Supply.
Integrated Power Monitor (POR/PFD) to Supervise Internal Power Supply.
Boot ROM Contains Serial Loader for In-System Programming.
High-speed Architecture.

Datasheet Details

Part number	89C51RE2
Manufacturer	ATMEL
File Size	1.13 MB
Description	AT89C51RE2
Datasheet	89C51RE2 Datasheet
Additional preview pages of the 89C51RE2 datasheet.

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Full PDF Text Transcription

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Features • 80C52 Compatible – 8051 Instruction Compatible – Four 8-bit I/O Ports (44 Pins Version) – Three 16-bit Timer/Counters – 256 bytes Scratch Pad RAM – 11 Interrupt Sources With 4 Priority Levels • ISP (In-System Programming) Using Standard VCC Power Supply • Integrated Power Monitor (POR/PFD) to Supervise Internal Power Supply • Boot ROM Contains Serial Loader for In-System Programming • High-speed Architecture – In Standard Mode: 40 MHz (Vcc 2.7V to 5.5V, Both Internal and External Code Execution) 60 MHz (Vcc 4.5V to 5.5V and Internal Code Execution Only) – In X2 Mode (6 Clocks/Machine Cycle) 20 MHz (Vcc 2.7V to 5.5V, Both Internal and External Code Execution) 30 MHz (Vcc 4.5V to 5.

Published: Feb 10, 2016 |