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位單片機與嵌入式閃存微控制器
文件頁數(shù): 57/73頁
文件大?。?/td> 696K
代理商: HMS99C58S
HMS99C51S/52S/54S/56S/58S
Sep. 2004 Ver 1.01
53
Bootloader Functional Description
On the above diagram, the on-chip bootloader processes are:
ISP Communication Management
The purpose of this process is to manage the communication and its protocol between the on-chip bootloader
and a external device. The on-chip boot ROM implement a serial protocol. This process translate serial commu-
nication frame (UART) into Flash memory access (read, write, erase, ...)
Flash Memory Management
This process manages low level access to Flash memory (performs read, write and erase access).
Figure 15. Bootloader Functional Description
External Host with
Specific Protocol
Communication
User Application
External Host with
Specific Protocol
Communication
External Host with
Specific Protocol
Communication
External Host with
Specific Protocol
Communication
Flash Memory
(32K Bytes)
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