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W91576DNF

23-MEMORY TONE/PULSE DIALER WITH AUTOREDIAL RTC AND LCD DISPLAY FUNCTIONS

Winbond 

W91570DN SERIES

Come

HOOK

ON HOOK & HFI ¡õ ), R/P

a.

R/P key can execute the redial function only as the first dialing after off-hook; otherwise,

The

it

will invoke the pause

function.

b. The redial memory contents will be D3, ..., Dn.

c. Redial memory can be checked in memory check mode.

d. If redialing length oversteps 32 digits, the redialing function will be inhibited.

2. OFF HOOK (or ON HOOK & HFI ¡õ ), D1 , D2 , ..., Dn , Busy, OKR

a. If the dialing D1 to Dn is finished, pressing the OKR key will cause the pulse output

of

pin DP / C10 to go low for 2.2 seconds break time and 0.6 seconds pause time will be added

automatically.

b. If the pulses of the dialed digits D1 to Dn have not finished, OKR will be ignored.

c. The one-key redialing function timing diagram is shown in Figure 3.

Number Entry

1. OFF HOOK (or ON HOOK & HFI ¡õ ), D1 , D2 , Dn , E

...,

(many

times

same as one time), Mn (or An , Ln ), ON HOOK

D1, D2, ..., Dn will be stored in memory location Mn (or Ln) and will be dialed out.

2. OFF HOOK (or ON HOOK & HFI ¡õ ), E , D1 , D2 , ..., Dn , E

(could be skipped), Mn (or An , Ln ), ON HOOK

3. OFF HOOK (or ON HOOK & HFI ¡õ ), E , D1 , D2 , ..., Dn , Mn

(or An , Ln ), ON HOOK

a. D1, D2, ..., Dn will be stored in memory location Mn (or Ln) but will not be dialed out.

b. R/P and */T keys can be stored as a digit in memory, in store

R/P

mode,

is the pause function key.

c. The store mode is released after the store function is executed or when the state of the hook

Publication Release Date: May 1997

-9-

Revision A2

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