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Atmel AT89C51RC2

The Atmel AT89C51RC2 is an 8051 based CMOS controller with PCA, Dual DPTR, WDT 60 MHz High-Speed Architecture, X2 function, 32 I/O lines 3 Timers/Counters, 9 Interrupts/4 priority levels, SPI, UART 32K FLASH, 256 Bytes on-chip RAM, additional 1K XRAM.

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Development Tools
Compiler, Assembler, Linker, Debugger
Evaluation Boards
Data Sheets
Architectural Overview for the Atmel AT89C51RC2
Architectural Overview
227,495 bytes
Data Sheet for the Atmel AT89C51RC2
Data Sheet
1,582,319 bytes
Hardware Description for the Atmel AT89C51RC2
Hardware Description
428,668 bytes
Programmer's Guide for the Atmel AT89C51RC2
Programmer's Guide
246,346 bytes

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Header Files
Device Programmers
Real-Time OS
Simulated Features

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

  • FLASH with ISP & IAP (without Boot Loader)
  • Interrupts 9S/4L (Including External)
  • Keyboard Interface
  • PCA Timer with Modules
  • Port 0
  • Port 1
  • Port 2
  • Port 3
  • Power Saving Modes (Idle and Power Down)
  • Serial UART (Enhanced Interface with Special BRG)
  • SPI (Serial Peripheral Interface)
  • Timer 0
  • Timer 1
  • Timer 2 (Extended Timer 2)
  • Watchdog Timer
  • X2 mode for CPU and each peripheral with Clock Prescaler
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.

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