Description
AT89C51RE2 is a high performance CMOS Flash version of the 80C51 CMOS single chip 8-bit microcontroller.
Features
- 80C52 Compatible.
- 8051 Instruction Compatible.
- 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-ATMEL.pdf
