AT89C51AC2(2005) Ver la hoja de datos (PDF) - Atmel Corporation

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componentes Descripción

Fabricante

AT89C51AC2
(Rev.:2005)

80C51 Microcontrollers

Atmel Corporation 

Features

• Protocol

– UART Used as a 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 A/T89C51AC2 product can be found in the

A/T89C51AC2 datasheet and the A/T89C51AC2 errata sheet available on the Atmel

web site, www.atmel.com.

The bootloader software package (source code and binary) currently used for produc-

tion is also available from the Atmel web site.

80C51

Microcontrollers

AT89C51AC2

T89C51AC2

UART

Bootloader

Bootloader Revision

Revision 1.2.0

Revisions 1.4.0 and higher

Purpose of Modifications

First release

New command supported

- EEPROM access

- Start application

- Extra Byte access

- 128 bytes page Flash programming

- New boot process

Date

23/04/2001

02/11/2001

Rev. 4231C–CAN–03/05

1

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