T89C51RB2 Datasheet - ATMEL Corporation

T89C51RB2, (T89C51RB2/RC2) 8-bit Microcontroller with 16 Kbytes/ 32 Kbytes FLASH

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T89C51RB2/RC2 is a high-performance FLASH version of the 80C51 8-bit microcontrollers.

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Datasheet Details

Part number:

T89C51RB2

Manufacturer:

ATMEL Corporation

File Size:

1.28 MB

Description:

(T89C51RB2/RC2) 8-bit Microcontroller with 16 Kbytes/ 32 Kbytes FLASH

Features

* 80C52 Compatible
* 8051 Pin and Instruction Compatible
* Four 8-bit I/O Ports
* Three 16-bit timer/counters
* 256 Bytes Scratch Pad RAM
* 10 Interrupt Sources with 4 Priority Levels
* Dual Data Pointer Variable Length MOVX for slow RAM/Periph

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 T89C51RB2 T89C51RC2 Flash (bytes) 16K 32K XRAM (bytes) 1024 1024 TOTAL RAM (bytes) 1280 1280 I/O 32 32 Block Diagram Figu

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T89C51RB2 T89C51RB2 RC2 8-bit Microcontroller with Kbytes Kbytes FLASH ATMEL Corporation

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