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W91520N Datasheet, PDF (5/16 Pages) Winbond – TONE/PULSE DIALER WITH HANDFREE AND HOLD FUNCTION
W91520N SERIES
FUNCTIONAL DESCRIPTION
Keyboard Operation
C1 C2 C3 C4 DP / C5
1
2 3 SAVE
R1
4
56
F1
R2
7
89
F2
H
R3
∗/T 0 # R/P1
R
R4
R/P2 R F3 F4
VX
• R/P1, R/P2: Redial and pause function key; P1 is 3.6 sec. and P2 is 2.0 sec.
• ∗/T: ∗ in tone mode and P→T in pulse mode
• F1, ..., F4: Flash keys, flash break time of F1 = 600 mS, F2 = 100 mS, F3 = 300 mS, F4 = 73 mS
• H: Hold function key
• SAVE: Save function key
• R: One-key redial function
Notes:
D1, ..., Dn, D1', ..., Dn': 0, ..., 9, */T, #
R/P: R/P1 or R/P2.
Fn: F1, ..., F4
Normal Dialing
OFF HOOK (or ON HOOK & HFI ¡õ ), 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 in normal dialing.
Redialing
1. OFF HOOK (or ON HOOK & HFI ¡õ ), D1 , D2 , ..., Dn , Busy, Come
ON
HOOK
, OFF HOOK (or ON
HOOK
& HFI ¡õ ), R/P
a. The redial memory content will be dialed out.
b. The R/P key can execute the redial function only as the first key-in after off-hook; otherwise, it
executes pause function.
c. If redialing length exceeds 32 digits, the redialing function will be inhibited.
2. OFF HOOK (or ON HOOK & HFI ¡õ ), D1 , D2 , ..., Dn , Busy, R
a. The one-key redialing function timing diagram is shown in Figure 4.
Publication Release Date: May 1997
-5-
Revision A3