Silan
Semiconductors
SC91310 Series
2) If the mode switch is set to tone mode, then the output signal will be:
D1, D2,…, Dn, PÆT, D1’, D2’, …, Dn’
(Tone)
(Pause) (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 PÆT function timing diagram is shown in Figure 4.
6. FLASH
OFF HOOK , F
1) Flash key can be stored as a digit in memory.
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 5.
TIMING WAVEFORMS
HKS
4
2
2
KEY IN
DP
T
KID
B
M
TIDP
TIDP
TIDP
TPDP
T/P MUTE
DTMF
LOW
OSCILLATION
OSCILLATION
OSC.
NORMAL DIALING
Figure 1(a). Pulse Mode Timing Diagram
HANGZHOU SILAN MICROELECTRONICS CO.,LTD.
Rev: 2.1
2002.12.03
7
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