W91580 查看數據表（PDF） - Winbond

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W91580

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

Winbond 

W91580 SERIES

• S: Store function key

• F1, F2, F3: Flash keys

• R: One-key redial

• H: Hold function key

• DP /C9 : This key is connected to pin DP /C9 via a bipolar switching transistor and a diode.

• M0j: Direct or indirect (MEMO + M0j = M1j) repertory memory

• M1j: Direct repertory dialing

• EMi: One-touch memory for emergency call

• */T: * & P→T

• CLR: Clear key

• R/P: Redial and pause function key

• MER: One-touch memory for mercury code dialing

• MEMO: Indirect repertory dialing function key

Note: Dn = 0 to 9, *, #, Mij = M00 to M19 (i = 0, 1; j = 0 to 9).

Normal Dialing

OFF HOOK (or ON HOOK & HFI

), D1 , D2 , …, Dn

1. D1, D2, ..., Dn will be dialed out.

2. Dialing length is unlimited, but redial is inhibited if length exceeds 32 digits.

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 the redial function only as the first key-in after off-hook; otherwise, it will

execute the 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 R key is pressed before the pulses for the number dialed out are completed, it will be

ignored.

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