AT89C51SND1_06 Datasheet, PDF (1/33 Pages) ATMEL Corporation – USB Microcontrollers

Features
• Protocol
– USB Used as a Physical Layer
– Device Firmware Upgrade Class Compliant
– Auto-Frequency Detection
• In-System Programming
– Read/Write Flash Memory
– 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 Memory
– Read Device ID
– Block Erase
– Read/Write Configuration Bytes
– Bootloader Start
Description
This document describes the USB bootloader functionalities as well as the USB proto-
col to efficiently perform operations on the on-chip Flash memory. Additional
information on the AT89C51SND1 product can be found in the AT89C51SND1
datasheet and the AT89C51SND1 errata sheet available on the Atmel web site.
The bootloader software (binary file) currently used for production is available from the
Atmel web site.
USB
Microcontrollers
AT89C51SND1
USB Bootloader
Bootloader Revision
Revisions 1.6.2 and higher
Purpose of Modifications
First release
Date
3/25/2003
4254C–MP3–03/06