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參數資料
型號: W79E804
廠商: WINBOND ELECTRONICS CORP
元件分類: 8位微控制器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8位微控制器
文件頁數: 82/115頁
文件大小: 1456K
代理商: W79E804
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
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相關代理商/技術參數
參數描述
W79E804A 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER
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W79E8213 制造商:未知廠家 制造商全稱:未知廠家 功能描述:W79E8213中文資料
W79E8213_W79E8213R 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Table of contents-