The Atmel AT89S52 is an 8051 based Full Static CMOS controller with Three-Level Program Memory Lock, 32 I/O lines, 3 Timers/Counters, 8 Interrupts Sources, Watchdog Timer, 2 DPTRs, 8K Flash Memory, 256 Bytes On-chip RAM.
Atmel AT89S52 PDF — Programmer for 89C51/52/55 89S51/52
Posted by delabs at 2:24 pm