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參數(shù)資料
型號(hào): W79E803ADG
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDIP20
封裝: 0.300 INCH, ROHS COMPLIANT, DIP-20
文件頁數(shù): 82/115頁
文件大小: 1456K
代理商: W79E803ADG
W79E804A/803A/802A
- 82 -
Example 5: Invalid Access
MOV
NOP
MOV
SETB
In the first three examples, the writing to the protected bits is done before the 3 machine cycles
window closes. In Example 4, however, the writing to the protected bit occurs after the window has
closed, and so there is effectively no change in the status of the protected bit. In Example 5, the
second write to TA occurs 4 machine cycles after the first write, therefore the timed access window is
not opened at all, and the write to the protected bit fails.
TA, #0AAh
TA, #055h
EWT
;3 M/C
;1 M/C
;3 M/C
;2 M/C
相關(guān)PDF資料
PDF描述
W79E803ASG 8-BIT MICROCONTROLLER
W79E804 8-BIT MICROCONTROLLER
W79E804A 8-BIT MICROCONTROLLER
W79E804ADG 8-BIT MICROCONTROLLER
W79E804ASG 8-BIT MICROCONTROLLER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
W79E803ASG 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER
W79E804 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER
W79E804A 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER
W79E804ADG 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER
W79E804ASG 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER