W91572DNF Просмотр технического описания (PDF) - Winbond
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W91572DNF Datasheet PDF : 45 Pages
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W91570DN SERIES
Flash (F = F1, F2, F3)
OFF HOOK (or ON HOOK & HFI ¡õ ), F
1. The dialer will execute a flash break time of 600 mS (F1), 300 mS (F2), or 100 mS (F3) and pause
time of 1S before the next digit (except flash key) is dialed out.
2. Flash keeps first priority in normal dialing but insert flash can be stored into memory when flash is
the first digit in memory. In this condition, only one flash key can be released to the user.
a. E, F1, D1, D2, D3, E, Mn then the digit stored in Mn will be F1, D1, D2, D3.
b. E, D1, F1, D2, D3, E, Mn then the digit stored in Mn will be D1, D2, D3.
c. F1, D1, D2, D3, E, Mn then the digit stored in Mn will be D1, D2, D3.
3. The system will return to the initial state after the flash pause time is finished.
4. Keyboard functions are inhibited when flash break is being executed.
5. The flash timing diagram is shown in Figure 8.
Mute
OFF HOOK (or ON HOOK & HFI ¡õ ), MUTE
1. The MUTE is switched on and off by a toggle switch.
2. The function timing diagram is shown in Figure 9.
Hold Key
OFF HOOK (or ON HOOK & HFI ¡õ ), HOLD1 (or HOLD2 )
1. The hold function is toggled on and off by Hold1 or Hold2 key. When the hold function is toggled
on, the hold mark (icon 4) will be lit and all key-ins (except hold keys and icon keys) will be
ignored.
2. The following are examples of hold function toggled on and off:
a. OFF HOOK , HOLD1 (or HOLD2 ), HOLD1 (or HOLD2 )
b. OFF HOOK , HOLD1 (or HOLD2 ), HFI ¡õ
c. OFF HOOK , HOLD1 (or HOLD2 ), ON HOOK , HFI ¡õ
d. ON HOOK & HFI ¡õ , HOLD1 (or HOLD2 ), HFI ¡õ
3. Hold1 and Hold2 have the same function in off-hook state. The difference between Hold1 and
Hold2 are shown as follows:
a. If OFF HOOK , HOLD1 (or HOLD2 ), ON HOOK , HOLD1 is entered, then the
dialer will be off-line.
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Publication Release Date: May 1997
Revision A2
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