Keil Logo

Atmel AT89LP51

The Atmel AT89LP51 is an 8051-based single-cycle microcontroller with 20 MIPS, 256 Bytes RAM, Dual Datapointer, Interrupt system with 4 priority levels and 6 sources, 4KBytes Flash Boot ROM, 256 On-Chip Data Flash, 36 I/O Pins, Three 16-bit Enhanced Timer/Counters, Brown-out Detection and Power-on Reset, On-Chip RC Oscillator with 1.8432 MHz, and Two-wire On-chip Debug Interface.

[Chip Vendor] [Distributors]

Development Tools
Compiler, Assembler, Linker, Debugger
Data Sheets
Data Sheet
4,297,676 bytes
Instruction Set Manual for the Atmel AT89LP51
Instruction Set Manual
178,311 bytes

Get Adobe Acrobat Reader

Header Files
Device Programmers
Real-Time OS
Simulated Features

The following on-chip peripherals are simulated by the Keil Software µVision Debugger.

AGSI Drivers

The following AGSI Drivers are available for the Keil Software µVision Simulator.

AGDI Drivers

The following AGDI Drivers are available for the Keil Software µVision Debugger.

  Arm logo
Important information

This site uses cookies to store information on your computer. By continuing to use our site, you consent to our cookies.

Change Settings

Privacy Policy Update

Arm’s Privacy Policy has been updated. By continuing to use our site, you consent to Arm’s Privacy Policy. Please review our Privacy Policy to learn more about our collection, use and transfers
of your data.