AT89C5131A

Features www.DataSheet4U.com Protocol – USB Used as Physical Layer – Device Firmware Upgrade Class Compliant – USB Clock Auto-Configuration 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 (IAP) – Read/Write Flash and EEPROM Memories – Read Device ID – Block Erase – Read/Write Configuration Bytes – Bootloader Start USB Microcontrollers AT89C5131A USB Bootloader Description This document describes the USB bootloader functionalities as well as the USB protocol to efficiently perform operations on the on-chip Flash (EEPROM) memories. Additional information on the AT89C5131A product can be found in the AT89C5131A datasheet and the AT89C5131A errata sheet available on the Atmel web site. The bootloader software package (binary) currently used for production is available from the Atmel web site. Bootloader Revision Revision 1.0.2 Revision 1.2.0 Purpose of Modifications First release Bootloader improvement Date 25/03/2003 20/03/2007 4287E–USB–04/08 Functional www.DataSheet4U.com Description In-System Programming Capability (IAP) The AT89C5131A bootloader facilitates In-System Programming and In-Application Programming. In-System Programming allows the user to program or reprogram a microcontroller on-chip Flash memory without removing it from the system and without the need o...