AT89C51RB2 Datasheet - ATMEL Corporation

AT89C51RB2, 8-bit Microcontroller

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The AT89C51RB2/RC2 is a high-performance Flash version of the 80C51 8-bit microcontrollers.

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AT89C51RB2_ATMELCorporation.pdf

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Datasheet Details

Part number:

AT89C51RB2

Manufacturer:

ATMEL Corporation

File Size:

785.14 KB

Description:

8-bit Microcontroller

Features

* 80C52 Compatible
* 8051 Pin and Instruction Compatible
* Four 8-bit I/O Ports
* Three 16-bit Timer/Counters
* 256 Bytes Scratch Pad RAM
* 9 Interrupt Sources with 4 Priority Levels
* Dual Data Pointer
* Variable Length MOVX for Slow R

Applications

* that need pulse width modulation, high speed I/O and counting capabilities such as alarms, motor control, corded phones, and smart card readers. Table 1. Memory Size Part Number AT89C51RB2 AT89C51RC2 AT89C51IC2 Flash (Bytes) 16K 32K 32K XRAM (Bytes) 1024 1024 1024 TOTAL RAM (Bytes) 1280 1280 12

AT89C51RB2 Distributors

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AT89C51RB2 8-bit Microcontroller ATMEL Corporation

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