W91340N Datasheet, PDF (12/15 Pages) Winbond – 10-MEMORY TONE/PULSE DIALER WITH HANDFREE AND HOLD FUNCTION

W91340N SERIES
Timing Waveforms, continued
HKS
12 H
H
KEY IN
MODE
DP
DTMF
T/P MUTE
H/P MUTE
HFI
HFO
H
H
H
OSC
Figure 3. Handfree Function Timing Diagram
HKS
KEY IN
DP
T/P MUTE
H/P MUTE
DTMF
OSC.
2
R/P
T_KID
MB
TPDP
3
TP
T_IDP
MB
T_PDP
Low
OSCILLATION
Figure 4. Pause Function Timing Diagram
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