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參數資料
型號: W741C240
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 4-BIT Microcontroller(多次可編程4位的微控制器)
中文描述: 4-BIT, MROM, MICROCONTROLLER, PQFP64
封裝: QFP-64
文件頁數: 12/40頁
文件大?。?/td> 432K
代理商: W741C240
W741C240
- 12 -
Hold Mode Operation
In hold mode, all operations of the
μ
C cease, except for the operation of the oscillator, timer, and
LCD driver. The
μ
C enters hold mode when the HOLD instruction is executed. The hold mode can be
released in one of three ways: by the action of Timer 1, Divider 0, or the RC port. Before the device
enters the hold mode, the HEF, PEF, and IEF flags must be set to define the hold mode release
conditions. For more details, refer to the instruction-set table and the following flow chart.
Divider 0, Timer 1,
Signal Change on
In
HOLD
Mode
IEF
Flag Set
PC <- (PC+1)
IEF
Flag Set
No
Yes
No
Yes
Yes
No
Yes
No
HOLD
HEF
Flag Set
Reset EVF.n Flag
Execute
Interrupt Service Routine
Reset EVF.n Flag
Execute
Interrupt Service Routine
Port RC
Interrupt
Enable
Interrupt
Enable
Yes
Yes
No
No
Disable interrupt
Disable interrupt
Note: The bit of EVF corresponding to the interrupt request signal will be reset.
(Note)
(Note)
Figure 7. Hold Mode and Interrupt Operation Flow Chart
相關PDF資料
PDF描述
W741C250 4-BIT Microcontroller(多次可編程4位的微控制器)
W741C260 4-BIT Microcontroller(多次可編程4位的微控制器)
W741E20X 4-BIT FLASH MICROCONTROLLER
W741E260 4-BIT FLASH MICROCONTROLLER
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相關代理商/技術參數
參數描述
W741C250 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller
W741C260 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT MICROCONTROLLER
W741E200 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller
W741E201 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT FLASH MICROCONTROLLER
W741E202 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT FLASH MICROCONTROLLER