參數(shù)資料
型號: MB90478PFV
元件分類: 微控制器/微處理器
英文描述: 16-BIT, MROM, 20 MHz, MICROCONTROLLER, PQFP100
封裝: PLASTIC, LQFP-100
文件頁數(shù): 80/118頁
文件大?。?/td> 1199K
代理商: MB90478PFV
MB90470 Series
64
13. Watch Timer
The watch timer is a 15-bit timer using a sub-clock signal. This timer can generate interval interrupts. Also, by
a register setting, it can be used as a clock source for the watchdog timer.
(1) Register List
(2) Block Diagram
Watch timer control register (WTC)
0000AAH
Default value
( R )
( 0 )
(R/W)
( 0 )
(R/W)
( 0 )
(R/W)
( 1 )
(R/W)
( 0 )
(R/W)
( 0 )
(R/W)
( 0 )
76
5
4
3
2
1
0
SCE
(R/W)
( 1 )
WDCS
WTIE
WTOF
WTR
WTC2
WTC1
WTC0
WDCS
SCE
WTIE
WTOF
WTR
WTC2
WTC1
WTC0
28
29
210
211
212
213
214
210
213
214 215
Watch timer control register (WTC)
Clear
Watch timer
interrupt
Sub-clock
Watch counter
Interval selector
Interrupt
generator
circuit
To watchdog timer
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