W91611 Просмотр технического описания (PDF) - Winbond

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производитель

W91611

TONE/PULSE DIALER WITH TWO-STAGE REDIAL FUNCTION

Winbond 

W91610 SERIES

b. If the mode switch is set to tone mode, then the output signal will be as follows:

D1, D2, ..., Dn, no pause, D1', D2', ..., Dn'

(Tone)

(Tone)

c. The P→T key may be pressed before the first sequence is dialed out completely.

2. OFF HOOK , R

a. If the mode switch is set to pulse mode, then the output signal will be as follows:

D1, D2, ..., Dn

(Pulse)

b. In the first redial operation, only the digits before the tone key are dialed out.

R (2nd)

D1', D2', ..., Dn' are dialed out.

(Tone)

c. In the second redial operation, the digits after the tone key are dialed out.

Flash

OFF HOOK , D1 , D2 , D3 , F , D4 , D5 , D6

1.

F key may be pressed before digits D1, D2, D3 are sent completely. Digits D4, D5, D6 may

The

be pressed during the 100 mS. flash period.

2. The flash key cannot be stored as a digit in memory or in the redial register.

3. The content of the redial register is D1, D2, D3, D4, D5, D6. F

The

register.

key is not stored in the

redial

4. The flash does not have first priority among the keyboard functions.

5. The flash pause time is 800 mS, so there is a pause of 800 mS between the flash and the next digit

dialed (see Figure 5).

6. The dialer will not return to the initial state after the flash break time has elapsed.

7. The flash function timing diagram is shown in Figure 5.

ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

DC Supply Voltage

Input/Output Voltage

VDD−VSS

VIL

VIH

VOL

VOH

RATING

-0.3 to +7.0

VSS -0.3

VDD +0.3

VSS -0.3

VDD +0.3

UNIT

V

V

V

V

V

-6-

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