W91620 Datasheet, PDF (6/16 Pages) Winbond – 10-MEMORY TONE/PULSE DIALER WITH TWO-STAGE REDIAL FUNCTION

W91620 SERIES
Number Store
1. OFF HOOK , S , D1 , D2 , ..., Dn , A , Ln , ON HOOK
a. D1, D2, ..., Dn will be stored in memory location Ln but will not be dialed out.
b. Ln = 0 to 9; Dn = 0 to 9, * , # , Pause, P→T.
c. The store mode is released to the initial state only when all store operations are finished. There
is no need to
perform
ON HOOK , OFF HOOK to begin a second store
operation.
For
example
S , D1 , D2 , D3 , D4 , A , Ln ,
then S , D1' , D2' , D3' , D4' , A , Lp ,
then S , ..., is still
available.
But the following sequence is not valid:
S , D1 , D2 , D3 , D4 , A , Ln ,
then S , R , A , Ln
2. OFF HOOK , S , R , A , Ln , ON HOOK
a. Redial content is transferred to memory Ln.
b. When the last number was dialed from redial memory, the content of the redial memory cannot
be transferred to a memory location. For example, if the redial content is 1 2 3 4 5 + A 3, it
cannot be transferred to a memory location, and the content of Ln will not be modified.
Memory Clear
OFF HOOK , S , A , Ln , S , A , Lp , ...
The Ln, Lp, etc., memories will be cleared.
Repertory Dialing
OFF HOOK , A , Ln
1. The digits stored in Ln will be dialed out.
2. The type of output signal is determined by the mode switch.
3. The redial register content is the content of location number Ln.
4. If the content of Ln is 1, 2, 3, P→T, 4, 5, 6, the redial function will execute the P¡÷T function and
the system will change to tone mode.
Access Pause
OFF HOOK , D1 , D2 , P , D3 , ..., Dn
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