W91590 查看數據表（PDF） - Winbond

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W91590

24-MEMORY TONE/PULSE SWITCHABLE DIALER WITH HANDFREE, HOLD AND LOCK FUNCTIONS

Winbond 

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

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