參數(shù)資料
型號(hào)： MB90803PF
元件分類： 微控制器/微處理器
英文描述： 16-BIT, MROM, 25 MHz, MICROCONTROLLER, PQFP100
封裝： 0.65 MM PITCH, PLASTIC, QFP-100
文件頁數(shù)： 49/88頁
文件大?。?/td> 874K
代理商： MB90803PF
MB90800 Series
53
12. Watchdog timer
The watchdog timer is a 2-bit counter operating with an output of the timebase timer or watch timer and resets
the CPU when the counter is not cleared for a preset period of time.
(1) Register list
(2) Block diagram
Watchdog timer control register (WDTC)
0000A8H
Initial Value
(
)
( X )
( R )
( X )
( R )
( X )
( R )
( X )
( W )
( 1 )
( W )
( 1 )
( W )
( 1 )
76
5
4
3
2
1
0
( R )
( X )
PONR
WRST
ERST
SRST
WTE
WT1
WT0
PONR
WRST ERST SRST WTE
WT1
WT0
× 21 × 22
× 28 × 29 × 210 × 211 × 212 × 213 × 214 × 215 × 216 × 217 × 218
× 21
SCLK
CLR
× 22
× 28 × 29 × 210 × 211 × 212 × 213 × 214 × 215 × 216 × 217 × 218
2
4
Watchdog timer control register (WDTC)
Watchdog timer
Watch mode start
Timebase timer mode start
Sleep mode start
Hold status start
Counter
clear control
circuit
Count
clock
selector
2-bit
counter
Watchdog reset
generation
circuit
Clear
Internal
reset
generation
circuit
CLR and start-up
Time base counter
Dividing HCLK by 2
HCLK: Oscillation clock
SCLK: Sub clock
WDCS bit of watch timer
control register (WTO)
SCM bit of clock selection
register (CKSCR)
Stop mode start
相關(guān)PDF資料
PDF描述
MB90822PFV 16-BIT, MROM, 24 MHz, MICROCONTROLLER, PQFP80
MB90911ASPMC 16-BIT, FLASH, 32 MHz, MICROCONTROLLER, PQFP48
MB90F912BSPMC 16-BIT, FLASH, 32 MHz, MICROCONTROLLER, PQFP48
MB90F243PFV-ES-BND 16-BIT, FLASH, 32 MHz, MICROCONTROLLER, PQFP80
MB90F372PMT-G 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP144
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MB90803PF-G 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Microcontroller
MB90803S 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Microcontroller
MB90803SPF 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller CMOS
MB90803SPF-G 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Microcontroller
MB90820 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。

采購需求

(若只采購一條型號(hào)，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購

我的聯(lián)系方式

*
*
*