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參數(shù)資料
型號(hào): MB90246
廠商: Fujitsu Limited
英文描述: 16-bit Proprietary Microcontroller
中文描述: 16位微控制器專有
文件頁數(shù): 33/100頁
文件大?。?/td> 1956K
代理商: MB90246
33
MB90246A Series
3. Watchdog Timer
The watchdog timer is a 2-bit counter operating with an output of the timebase timer and resets the CPU when
the counter is not cleared for a preset period of time.
(1) Register Configuration
(2) Block Diagram
Watchdog timer control register (WDTC)
Address
0000A8
H
bit 15 . . . . . . . . . . . .
PONR STBR WRST ERST
SRST
WTE
WT1
WT0
(TBTC)
R : Read only
W: Write only
X : Indeterminate
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
R
R
R
R
R
W
W
W
Initial value
XXXXXXXX
B
HCLK: Oscillation clock
PONR STBR WRST ERST SRST WTE
WT1
WT0
Watchdog timer control register (WDTC)
Start sleep mode
Start hold status
Start stop mode
CLR and start
Watchdog timer
Overflow
To internal reset
generation circuit
Counter clear
control circuit
Count clock
selector
2-bit
counter
Watchdog reset
generation circuit
Clear
Divided-by-2
of HCLK
(Timebase timer counter)
×
2
1
×
2
2
. . .
×
2
8
×
2
9
×
2
10
×
2
11
×
2
12
×
2
13
×
2
14
×
2
15
×
2
16
×
2
17
×
2
18
CLR
2
4
CLR
相關(guān)PDF資料
PDF描述
MB90246A 16-bit Proprietary Microcontroller
MB90246APFV 16-bit Proprietary Microcontroller
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MB90246A 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller
MB90246APFV 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller
MB90330 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller
MB90330A 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Microcontroller
MB90330A_9E 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit microcontrollers
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