W91550 WINBOND [Winbond], W91550 Datasheet - Page 11

• Manufacturer Part Number: W91550
• Description: 13-MEMORY TONE/PULSE DIALER WITH LCD AND LOCK FUNCTION
• Manufacturer: WINBOND [Winbond]

Mute
The MUTE is switched on and off by the mute key. The function timing diagram is shown in Figure 9.
Hold Key
1. The HOLD function is switched on and off by the hold key. When the hold function is toggled on,
2. The HOLD key will be ignored during dialing.
Cascaded and Mixed Dialing
Cascaded Dialing
1. Definition of cascaded dialing:
2. Normal dialing, redialing, or repertory dialing as represented by each rectangle above is treated as
3. At most 32 digits are allowed in cascaded dialing, but there is no limitation on the number of
4. The content of cascaded dialing may a combination of normal dialing, redialing, and repertory
Mixed Dialing
1. Definition of mixed dialing:
2. There is no limitation on the number of digits and sequences in the mixed dialing.
3. The content of mixed dialing may be a combination of normal dialing, memory dialing, or one-key
5. If
OFF HOOK
OFF HOOK
Example 1:
Example 2:
Example 3:
the hold mark (dot of digit_6) will be lit. The function timing diagram is shown in Figure 10(a, b).
In cascaded dialing, a new sequence may be pressed before the previous sequence has been sent
out completely. The following are examples of cascaded dialing:
one sequence.
sequences.
dialing. Redialing is valid only as the first key-in, however.
in the examples above will be dialed out only if the total number of digits does not exceed 32. If the
sequence exceeds 32 digits then redialing is inhibited.
The examples of cascaded dialing given above are also examples of mixed dialing except that in
mixed dialing a new sequence may be accepted only when the previous sequence has been dialed
out completely.
redialing.
ON HOOK
, (or
, (or
Normal dialing
Repertory dialing 1
Redialing
,
ON HOOK
ON HOOK
OFF HOOK
+
Normal dialing
+
& HFI ¡õ
& HFI ¡õ
Repertory dialing 1
,
+
R
Normal dialing
is entered, then the cascaded dialing sequence described
+
- 11 -
),
),
Repertory dialing
H
MUTE
+
+
Repertory dialing 2
Repertory dialing 2
Publication Release Date: November 1997
W91550DN SERIES
+...
+...
+...
Revision A3