Datasheet Details
- Part number
- AT89C51RB2
- Manufacturer
- ATMEL Corporation
- File Size
- 785.14 KB
- Datasheet
- AT89C51RB2_ATMELCorporation.pdf
- Description
- 8-bit Microcontroller
AT89C51RB2 Description
.
The AT89C51RB2/RC2 is a high-performance Flash version of the 80C51 8-bit microcontrollers.
AT89C51RB2 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
AT89C51RB2 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
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