參數(shù)資料
型號: HMS99C58S
廠商: Electronic Theatre Controls, Inc.
英文描述: 8-BIT SINGLE-CHIP MICROCONTROLLERS WITH EMBEDDED FLASH
中文描述: 8位單片機(jī)與嵌入式閃存微控制器
文件頁數(shù): 56/73頁
文件大?。?/td> 696K
代理商: HMS99C58S
HMS99C51S/52S/54S/56S/58S
52
Sep. 2004 Ver 1.01
Bootloader Architecture
Introduction
The bootloader manages a communication according to a specific defined protocol to provide the whole access
and service on Flash memory. Furthermore, all accesses and routines can be called from the user application
The Flash bootloader includes:
The serial communication protocol
The ISP command decoder
In order to access User FLASH area at a custom bootloader, User must modify the related FLASH
registers directly.
This may be necessary in case of :
Another communication interface
Different protocol (other data format, encrypted data, etc.)
Flash areas protection
Flash areas checks (CRC, etc.)
Figure 14. Diagram Context Description
Bootloader
Flash Memory
Access via
Specific Protocol
Access From
User Application
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