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W91320N Datasheet(PDF) 8 Page - Winbond |
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W91320N Datasheet(HTML) 8 Page - Winbond |
8 / 19 page W91320N SERIES - 8 - 1. If the mode switch is set to pulse mode, then the output signal will be: D1, D2, …, Dn, Pause (2.0 sec. or 3.6 sec.), D1', D2', …, Dn' (Pulse) (Tone ) 2. If the mode switch is set to tone mode, then the output signal will be: D1, D2, ..., Dn, *, D1', D2', ..., Dn' (Tone) (Tone) 3. The dialer remains in tone mode when the digits have been dialed out and can be reset to pulse mode only by going on-hook. 4. The pulse-to-tone function timing diagram is shown in Figure 6. Flash OFF HOOK (or ON HOOK & HFI ¡õ ), Fn 1. Fn = F1, ..., F4 2. The dialer will execute flash break time of 600 mS (F1), 100 mS (F2), 300 mS (F3), or 73 mS (F4) and all the pause time is 1.0 sec. before the next digit is dialed out. 3. Flash key can not be stored as a digit in memory. The flash key has the first priority among the keyboard functions. 4. The system will return to the initial state after the flash pause time is finished. 5. The flash function timing diagram is shown in Figure 7. HOLD OFF HOOK (or ON HOOK & HFI ¡õ ), H The hold function is switched on and off by a toggle switch. The keypad will be disabled when in hold mode. The function timing diagram is shown in Figure 3(a, b, c). ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL RATING UNIT DC Supply Voltage VDD −VSS -0.3 to +7.0 V Input/Output Voltage VIL VSS −0.3 V VIH VDD +0.3 V VOL VSS −0.3 V VOH VDD + 0.3 V Power Dissipation PD 120 mW Operation Temperature TOPR -20 to +70 °C Storage Temperature TSTG -55 to +150 °C Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the device. |
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