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MB90480 Datasheet(PDF) 65 Page - Fujitsu Component Limited.

Part No. MB90480
Description  16-bit Proprietary Microcontroller
Download  120 Pages
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Maker  FUJITSU [Fujitsu Component Limited.]
Homepage  http://edevice.fujitsu.com/fmd/en/index.html
Logo FUJITSU - Fujitsu Component Limited.

MB90480 Datasheet(HTML) 65 Page - Fujitsu Component Limited.

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MB90480/485 Series
65
13. Watch Timer
The watch timer is a 15-bit timer using the sub clock. This circuit can generate interrupts at predetermined
intervals. Also a setting is available to enable it to be used as the clock source for the watchdog timer.
(1) Register List
(2) Block Diagram
Watch timer control register (WTC)
0000AAH
Read/write
Initial 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
Sub clock
Watch counter
Interval
selector
Interrupt
generator
circuit
Watch timer
interrupt
To watchdog timer
Watch timer control register (WTC)
Clear


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