Part AT89C51
Description 8-Bit Microcontroller
Category Microcontroller
Manufacturer Atmel
Size 131.16 KB
Atmel
AT89C51
AT89C51 reference image

Representative AT89C51 image (package may vary by manufacturer)

Overview

The AT89C51 is a low-power, high-performance CMOS 8-bit microcomputer with 4K bytes of Flash programmable and erasable read only memory (PEROM). The device is manufactured using Atmel’s high-density nonvolatile memory technology and is compatible with the industry-standard MCS-51 instruction set and pinout.

  • Compatible with MCS-51™ Products
  • 4K Bytes of In-System Reprogrammable Flash Memory - Endurance: 1,000 Write/Erase Cycles
  • Fully Static Operation: 0 Hz to 24 MHz
  • Three-level Program Memory Lock
  • 128 x 8-bit Internal RAM
  • 32 Programmable I/O Lines
  • Two 16-bit Timer/Counters
  • Six Interrupt Sources
  • Programmable Serial Channel
  • Low-power Idle and Power-down Modes