UPD17062 datasheet(137/298 Pages) RENESAS

137 / 298 page

135

µPD17062

Fig. 12-2

Relationship Between the Timer Mode Select Register and Timer Interval Set Pulse

09H

R/W

Read/Write

000

001

010

011

100

101

110

111

10 Hz ( 100 ms)

200 Hz (

5 ms)

10 Hz ( 100 ms)

200 Hz (

5 ms)

fTMIN/5 Hz (5/fTMIN s)

200 Hz (

5 ms)

fTMIN/6 Hz (6/fTMIN s)

200 Hz (

5 ms)

200 Hz (

5 ms)

10 Hz ( 100 ms)

50 Hz ( 20 ms)

200 Hz (

5 ms)

fTMIN/5 Hz (5/fTMIN s)

200 Hz (

5 ms)

fTMIN/6 Hz (6/fTMIN s)

200 Hz

50 Hz

fTMIN/6 (Hz)

10 Hz

fTMIN/5 (Hz)

Control register

Address

Bit

Flag symbol

Timer mode

select

(BTM0CK)

Selection of frequency (time) of the timer carry FF set pulse

Selection of frequency (time) of the timer interrupt pulse

Internal timer

External timer

Internal timer

External timer

Internal timer

External timer

Internal timer

External timer

fTMIN is the input frequency (50 or 60 Hz) at the P0B2/TMIN pin.

Disables the bias circuit.

Enables the bias circuit.

Duty cycle

80 ms

1 ms

5 ms

4 ms

100 ms

20 ms

20%

80%

50%

10 ms

20 ms

10 ms

50%

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