參數(shù)資料
型號: T89C51RD2-RLWC-L
廠商: Atmel Corp.
英文描述: 0 to 40MHz Flash Programmable 8-bit Microcontroller
中文描述: 0至40MHz可編程閃存8位微控制器
文件頁數(shù): 53/170頁
文件大小: 1927K
代理商: T89C51RD2-RLWC-L
53
A/T89C51CC01
4129L–CAN–08/05
Figure 26.
Hardware Boot Process Algorithm
Application
Programming Interface
Several Application Program Interface (API) calls are available for use by an application
program to permit selective erasing and programming of Flash pages. All calls are made
by functions.
All of these APIs are described in detail in the following documents on the Atmel web
site.
Datasheet Bootloader CAN T89C51CC01
Datasheet Bootloader UART T89C51CC01
XROW Bytes
Table 33.
XROW Mapping
RESET
Hardware
condition
BLJB = = 0
Yes
bit ENBOOT in AUXR1 register
is initialized with BLJB inverted.
(Example, if BLJB=0, ENBOOT is set (=1) during reset,
thus the bootloader is executed after the reset)
H
S
ENBOOT = 1
PC = F800h
FCON = 00h
ENBOOT = 1
PC = F800h
FCON = F0h
Boot Loader
in FM1
ENBOOT = 0
PC = 0000h
Yes
No
No
Application
in FM0
Description
Default Value
Address
Copy of the Manufacturer Code
58h
30h
Copy of the Device ID#1: Family code
D7h
31h
Copy of the Device ID#2: Memories size and type
F7h
60h
Copy of the Device ID#3: Name and Revision
FFh
61h
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