W91580 Datasheet, PDF (8/19 Pages) Winbond – 24-MEMORY TONE/PULSE SWITCHABLE DIALER WITH HANDFREE AND HOLD FUNCTIONS

W91580 SERIES
OFF HOOK (or ON HOOK & _HFI
1. The pause function can be stored in memory.
), D1 , D2 , R/P , D3 , …, Dn
2. The pause function is executed in normal dialing, redialing, or memory dialing.
3. The pause function timing diagram is shown in Figure 5.
Pulse-to-Tone (*/ T)
OFF HOOK (or ON HOOK & _HFI
), D1 , D2 , …, Dn ,
*/T , D1' , D2' , …, Dn'
1. If the mode switch is set to pulse mode, then the output signal will be:
D1, D2, ..., Dn, Pause (3.6s) , 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) (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 P→T function timing diagram is shown in Figure 6.
5. */ T key can be stored as a digit in memory
Flash (F = F1, F2, F3)
OFF HOOK (or ON HOOK & _HFI
), F
1. Flash key cannot be stored as a digit in memory, and it has first priority among keyboard functions.
2. The system will return to the initial state after the break time is finished.
3. The flash function timing diagram is shown in Figure 7.
Clear key
1. CLR , R/P (or R )
Redial and one-key redial buffer will be cleared.
2. CLR , Mij
Location Mij buffer content will be cleared.
3. CLR , i , j
Location Mij buffer content will be cleared.
4. CLR , MEMO , M0j
Location M1j buffer content will be cleared.
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