Microchip

Description

The AT89C51 is a low-power, high-performance CMOS 8-bit microcomputer with 4K bytes of Flash programmable and erasable read only memory (PEROM). The purpose of this application note is to help users convert existing designs from . AT89C51 /C52 to AT89S51/S52. The given information will also help users This application note illustrates the in-cir- cuit programmability of the Atmel. AT89C51 Flash-based microcontroller. Guidelines for the addition of in-circuit. LOT. DATE SAMPLE TOTAL. NUMBER. NUMBER CODE SIZE CKT-HRS(K) OF FAILURES. 4C1407 4C9441 80. 80.0. 0. 4D1707 4D9441 115 115.0. 0. 4C1521 The 8051 instruction set is optimized for 8-bit control applications. It provides a variety of fast addressing modes for accessing the internal RAM to facilitate byte