1
BUZCK1 BUZCK0
0

Chapter 4 Timer Functions

4-9-4 Timer Control Registers

(1) Watchdog timer control register (WDCTR)

WDCTR

7

6

5

4

3

2

1

0

 

WDEN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(at reset: -------

0)

WDEN

Watchdog timer enable

 

 

0Clear watchdog timer/disable operation

1Enable WDT timer

Figure 4-9-17 Watchdog Timer Control Register (WDCTR: X'03F02', R/W)

(2) Oscillation stabilization wait control register (DLYCTR)

DLYCTR

7

6

5

4

3

2

1

0

 

 

BUZOE

BUZCK1

BUZCK0

DLYS1

DLYS0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(at reset: 0XX---00)

DLYS1

DLYS0

Oscillation stabilization

wait period setting

 

 

 

 

 

0

0

1/214 of the system clock (fs)

1

1/210 of the system clock (fs)

 

1

0

1/26 of the system clock (fs)

1

1

Disable use

 

 

 

After reset is released, the oscillation stabilization wait period is fixed at 1/215.

0

Buzzer output frequency selection

1/212 of the system clock (fs)

11/211 of the system clock (fs)

01/210 of the system clock (fs)

1

1/29 of the system clock (fs)

BUZOE

P06 output selection

 

 

0

P06 port output

1

P06 buzzer output

 

 

Figure 4-9-18 Oscillation Stabilization Wait Counter Control Register

(DLYCTR: X'03F03', R/W)

Timer Function Control Registers

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Panasonic MN101C00 user manual Timer Control Registers, Watchdog timer control register Wdctr