Features • 80C52 Compatible – Four 8-bit I/O P.
ATMEL
AT80C51RD2 - 80C51 High Performance ROM 8-bit Microcontroller
Features • 80C52 Compatible – Four 8-bit I/O Ports – Three 16-bit Timer/Counters – 256 Bytes Scratch Pad RAM – 8 Interrupt Sources with 4 Priority Lev.