W91590 Datasheet, PDF (7/20 Pages) Winbond – 24-MEMORY TONE/PULSE SWITCHABLE DIALER WITH HANDFREE, HOLD AND LOCK FUNCTIONS

W91590 SERIES
Redialing
1. OFF HOOK , D1 , D2 , …, Dn
BUSY, Come
ON HOOK , OFF HOOK
(or ON HOOK & _HFI
), R/P
or ON HOOK & _HFI
, D1 , D2 , …, Dn , BUSY, _HFI
Come
HFI
, R/P
The R/P key can execute redial function only as first key-in after off-hook. Otherwise, it will
execute pause function.
2. OFF HOOK (or ON HOOK & _HFI
), D1 , D2 , …, Dn , R
a. The one-key redial function timing diagram is shown in Figure 4.
b. If dialing
of
D1 to Dn is completed, pressing the R key will cause the pulse output
pin to go low for 2.2 seconds. Break time and a 600 mS pause will automatically be added.
c. If the pulses of the dialed D1 to Dn have not finished, R will be ignored.
number
Number Store
1. OFF HOOK (or ON HOOK & _HFI
), S , D1 , D2 , …, Dn
S , Mij , EMi or MER
D1, D2, ..., Dn will be stored in memory location but will not be dialed out.
R/P and */T keys can be stored as a digit in memory. In store mode, R/P is the pause
function key.
The store mode can be released after the store function is executed or the state of the hook switch is
changed.
2. S , D1 , D2 , …, Dn , S , i , j
D1, D2, ..., Dn will be stored in memory location Mij and will not be dialed out.
3. S , D1 , D2 , …, Dn , S , MEMO , M0j
a. D1, D2, ..., Dn will be stored in memory location M10 to M19 and will not be dialed out.
b. MEMO + M0j = M1j.
Publication Release Date: July 1995
-7-
Revision A3