The AT89C55 is a low-power, high-performance CMOS 8-bit microcomputer with 20K bytes of Flash programmable and erasable read only memory. The device is compatible with the industry standard 80C51 instruction set and pinout. It provides a highly flexible and cost effective solution to many embedded control applications. AT89C55 is Compatible with MCS-51™ Products.
- CPU:8 Bit.
- Maximum Operating Voltage: 6.6V
- Maximum Ocscillator Frequency: 33 MHz
- Flash:20K Bytes.
- Internal RAM:256 x 8-bit
- Programmable I/O Lines:32
- Timer/Counters:3 Nos, 16-bit
- 1 x AT89C55