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.
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