参数资料
型号: MB90671PF
元件分类: 微控制器/微处理器
英文描述: 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP80
封装: PLASTIC, QFP-80
文件页数: 47/106页
文件大小: 1648K
代理商: MB90671PF
MB90670/675 Series
45
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
0000A8H
bit 15
bit 8
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
RR
R
W
............
Initial value
XXXXX1 1 1 B
HCLK: Oscillation clock
PONR STBR WRST ERST SRST WTE
WT1
WT0
Watchdog timer control register (WDTC)
Start sleep 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)
× 21 × 22 ... × 28 × 29 × 210 × 211 × 212 × 213 × 214 × 215 × 216 × 217 × 218
CLR
2
4
CLR
Start stop mode
Start hold status
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相关代理商/技术参数
参数描述
MB90671PFV 制造商:FUJITSU 制造商全称:Fujitsu Component Limited. 功能描述:16-Bit Proprietary Microcontroller
MB90672 制造商:FUJITSU 制造商全称:Fujitsu Component Limited. 功能描述:16-Bit Proprietary Microcontroller
MB90672PF 制造商:FUJITSU 制造商全称:Fujitsu Component Limited. 功能描述:16-Bit Proprietary Microcontroller
MB90672PFV 制造商:FUJITSU 制造商全称:Fujitsu Component Limited. 功能描述:16-Bit Proprietary Microcontroller
MB90673 制造商:FUJITSU 制造商全称:Fujitsu Component Limited. 功能描述:16-Bit Proprietary Microcontroller