鈥?/div>
In-Application Programming/Self-Programming
鈥?Read/Write Flash Memory
鈥?Read Device IDs
鈥?Block Erase
鈥?Read/Write Configuration Bytes
鈥?Bootloader Start
MP3
Microcontrollers
Description
This document describes the UART bootloader functionalities as well as the serial
protocol to efficiently perform operations on the on-chip Flash memory. Additional
information for the AT89C51SND1 product can be found in the AT89C51SND1 data
sheet and the AT89C51SND1 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 available from the Atmel web site.
AT89C51SND1
UART
Bootloader
Bootloader Revision
Revision 1.0.0
Revision 1.1.0
Purpose of Modifications
New release increasing programming
speed
Bug fix in boot process
Date
June 2002
October 2002
4241B鈥揗P3鈥?7/04
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