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Timing Waveforms, continued
HKS
HFI
HFO
T/P MUTE
CHIP ENBLE
W91530N SERIES
ON HOOK
High
Figure 3. Handfree Timing Diagram
HKS
KEY IN
DP
T/P MUTE
KT
DTMF
OSC.
< 600 mS
300 mS
TOFD
2
R/P
TKID
MB
TPDP
3
TP
TFKD
OSCILLATION
Low
OSCILLATION
TIDP
MB
TPDP
Figure 4. Pause Function Timing Diagram
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