89C51RD2
Key Features
- 80C52 Compatible
- 8051 pin and instruction compatible
- Four 8-bit I/O ports (or 6 in 64/68 pins packages)
- Three 16-bit timer/counters
- 256 bytes scratch pad RAM
- 7 Interrupt sources with 4 priority levels ISP (In System Programming) using standard VCC power supply. FLASH contains low level FLASH programming routines and a default serial loader
- 40 MHz in standard mode
- 20 MHz in X2 mode (6 clocks/machine cycle) 64K bytes on-chip Flash program / data Memory
- Byte and page (128 bytes) erase and write
- 10k write cycles On-chip 1024 bytes expanded RAM (XRAM)
