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W91472N

6-MEMORY TONE/PULSE DIALER WITH SAVE AND HANDFREE FUNCTIONS

Winbond 

W91472N SERIES

Pulse-to-Tone (*/T)

OFF HOOK (or ON HOOK & HFI ¡õ ), D1 , D2 , ..., Dn , */T ,

D1' , D2' , ..., Dn'

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

D1, D2, ..., Dn, Pause, D1', D2', ..., Dn'

(Pulse)

(Tone)

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

D1, D2, ..., Dn, * , D1', D2', ..., Dn'

(Tone)

(Tone)

3. The dialer remains in tone mode when the digits have been dialed out and can be reset to pulse

mode only by going on-hook.

4. The function timing diagram is shown in Figure 5.

Flash

OFF HOOK (or ON HOOK & HFI ¡õ

1. Fn = F1, ..., F4.

), Fn

2. If Fn is pressed, the dialer will execute flash break time of 600 mS (F1), 300 mS (F2),

73 mS (F3), or 100 mS (F4). The pause time is 1.0 second.

3. Flash key cannot be stored as a digit in memory. The flash key has first priority among keyboard

functions.

4. The system will return to the initial state after the flash pause time is finished.

5. The flash function timing diagram is shown in Figure 6.

Cascaded Dialing

OFF HOOK (or ON HOOK & HFI ¡õ ),

1. Normal dialing + Repertory dialing + Normal dialing

(1st sequence)

(2nd sequence)

2. Repertory dialing + Normal dialing + Repertory dialing

(1st sequence)

(2nd sequence)

3. Redialing + Normal dialing + Repertory dialing

(1st sequence)

(2nd sequence)

Redialing and save dialing is valid only as the first key-in.

Publication Release Date: May 1997

-7-

Revision A2

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