Introduction - If you have any usage issues, please Google them yourself
The AT89C2051 is a low-voltage, high-performance CMOS 8-bit microcomputer with
2K Bytes of Flash programmable and erasable read only memory (PEROM). The
device is manufactured using Atmel’s high density nonvolatile memory technology
and is compatible with the industry standard MCS-51™ instruction set. By combining
a versatile 8-bit CPU with Flash on a monolithic chip, the Atmel AT89C2051 is a powerful
microcomputer which provides a highly flexible and cost effective solution to
many embedded control applications.