Panasonic F77G, MN101C77C user manual Watchdog Timer Control Register Wdctr x03F02, R/W

Models: F77G MN101C77C

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Chapter 9 Watchdog Timer

9-2 Control Registers

The watchdog timer is controlled by the watchdog timer control register (WDCTR).

„Watchdog Timer Control Register (WDCTR)

WDCTR

7

6

5

4

3

2

1

0

-

-

WDTC2

WDTC1

WDTC0

WDTS1

WDTS0

WDEN

 

 

 

 

 

 

 

 

( At reset: - - 0 0 0 1 1 0 )

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WDEN

Watchdog timer enable

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

Watchdog timer disable/clear

 

 

 

 

 

1

Watchdog timer enable

 

 

 

 

 

 

 

 

 

 

 

 

WDTS1

WDTS0

Watchdog time-out period setup

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

0

216 of system clock

 

 

 

 

 

1

218 of system clock

 

 

 

 

 

 

 

 

 

 

1

 

0

220 of system clock

 

 

 

 

 

1

222 of system clock

 

 

 

 

 

 

 

WDTC2

WDTC1

WDTC0

Watchdog timer is cleared at

 

 

 

 

 

the following cycle or more

 

 

0

0

Anytime

 

0

1

27 of system clock

 

 

 

1

0

29 of system clock

 

 

 

 

1

211 of system clock

 

 

 

 

 

0

0

213 of system clock

 

1

1

215 of system clock

 

 

 

1

0

217 of system clock

 

 

 

 

1

219 of system clock

 

 

 

Figure 9-2-1 Watchdog Timer Control Register (WDCTR : x'03F02', R/W)

Control Registers IX - 3

Page 315
Image 315
Panasonic F77G, MN101C77C user manual Watchdog Timer Control Register Wdctr x03F02, R/W