AT89C51 AVR Microcontroller 8-bit (Atmel)

A 26 pin FRC connector CN3 connected to ports 0, 1 & 2 of the controller for easy ALS standard external interface In system programming capability Compact & elegant enclosure, operates of 5v dc power 64 KB Flash memory 1792 bytes of external (data) ram 2048 bytes of EEPROM