89C51RE2 Overview
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.
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