AT89C51IC2 - ATMEL Corporation

AT89C51IC2 8-bit Flash Microcontroller

Features • 80C52 Compatible – 8051 Pin and Instruction Compatible – Four 8-bit I/O ports + 2 I/O 2-wire Interface (TWI) Pins – 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/Peripherals • ISP (In-System-Programming) Using Standard Vcc Power Supply •.

Features

• 80C52 Compatible
  – 8051 Pin and Instruction Compatible
  – Four 8-bit I/O ports + 2 I/O 2-wire Interface (TWI) Pins
  – 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/Peripherals
• ISP (In-System-Programming) Using Standard Vcc Power Supply
• Boot ROM Contains Low Level Flash Programming Routines and a Default Serial Loader
• High-speed Architecture
  – In Standard Mode: 40 MHz (Vcc 2.7V to 5.5V, both Internal and external code execution) 60 MHz (Vcc 4.5V to 5.5V and Internal Code executi.