Download 89C51RE2 Datasheet PDF
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89C51RE2 Key Features

  • 80C52 patible
  • 8051 Instruction patible
  • Four 8-bit I/O Ports (44 Pins Version)
  • Three 16-bit Timer/Counters
  • 256 bytes Scratch Pad RAM
  • 11 Interrupt Sources With 4 Priority Levels
  • ISP (In-System Programming) Using Standard VCC Power Supply
  • Integrated Power Monitor (POR/PFD) to Supervise Internal Power Supply
  • Boot ROM Contains Serial Loader for In-System Programming
  • High-speed Architecture

89C51RE2 Description

AT89C51RE2 is a high performance CMOS Flash version of the 80C51 CMOS single chip 8-bit microcontroller. It contains a 128 Kbytes Flash memory block for program. The 128 Kbytes Flash memory can be programmed either in parallel mode or in serial mode with the ISP capability or with software.