W91620 Datasheet, PDF (9/16 Pages) Winbond – 10-MEMORY TONE/PULSE DIALER WITH TWO-STAGE REDIAL FUNCTION

W91620 SERIES
Flash
OFF HOOK , D1 , D2 , D3 , F , D4 , D5 , D6
1. The F key may be pressed before digits D1, D2, D3 are sent completely. Digits D4, D5, D6
may 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 key is not stored in the
The
redial register.
4. OFF HOOK , S , D1 , D2 , D3 , F , D4 , D5 , D6 , A ,
Ln then ON HOOK , OFF HOOK , A , Ln
D1, D2, D3, D4, D5, D6 will be dialed out.
5. The flash does not have first priority among the keyboard functions.
6. 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).
7. The dialer will not return to the initial state after the flash break time has elapsed.
8. The flash function timing diagram is shown in Figure 5.
Cascaded & Mixed Dialing
Cascaded Dialing
1. Definition of cascaded dialing:
The next sequence may be pressed before the previous sequence is sent out completely.
Examples of cascaded dialing.
Example Normal dialing ¡Ï Repertory dialing 1 ¡Ï Repertory dialing 2 ¡Ï...
1:
Example Repertory dialing ¡Ï Normal dialing ¡Ï Repertory dialing 2 ^¡Ï...
2:
Example Redialing ¡Ï Normal dialing ¡Ï Repertory dialing 1 ¡Ï...
3:
2. The rectangles above represent one sequence of normal dialing, redialing, or repertory dialing.
3. At most 64 digits are allowed in cascaded dialing. There is no limitation on the number of
sequences.
4. The content of cascaded dialing may include a combination of normal dialing, redialing, and
repertory dialing. Redialing is valid only as the first key-in, however.
5. ON HOOK , OFF HOOK , R : The cascaded dialing sequences described in the above
Publication Release Date: December 1994
-9-
Revision A3