AT89C51AC3_04 Datasheet, PDF (1/26 Pages) ATMEL Corporation – Microcontrollers

Features
• Protocol
– UART Used as Physical Layer
– Based on the Intel Hex-type Records
– Autobaud
• In-System Programming
– Read/Write Flash and EEPROM Memories
– Read Device ID
– Full-chip Erase
– Read/Write Configuration Bytes
– Security Setting From ISP Command
– Remote Application Start Command
• In-Application Programming/Self Programming
– Read/Write Flash and EEPROM Memories
– Read Device ID
– Block Erase
– Read/Write Configuration Bytes
– Bootloader Start
Description
This document describes the UART bootloader functionalities as well as the serial
protocol to efficiently perform operations on the on chip Flash (EEPROM) memories.
Additional information on the AT89C51AC3 product can be found in the AT89C51AC3
datasheet and the AT89C51AC3 errata sheet available on the Atmel web site.
The bootloader software package (source code and binary) currently used for produc-
tion is available from the Atmel web site.
80C51
Microcontrollers
AT89C51AC3
UART
Bootloader
Bootloader Revision
Revision 1.0.1
Purpose of Modifications
First release
Date
01/08/2003
Rev. 4386A–8051–10/04
1