W91510DN Datasheet, PDF (20/30 Pages) Winbond – TONE/PULSE DIALER WITH RTC AND LCD DISPLAY FUNCTION

Preliminary W91510DN SERIES
Timing Waveforms, continued
HKS
KEY IN
DP
T/P MUTE
HPM MUTE
DTMF
OSC.
Low
F
F
TKID
F
TFB
TKID
3
TKID
TFP
T_ITP
OSCILLATION
Figure 7. First Priority Flash Timing Diagram
HKS
HFI
HOLD KEY
HFO
T/P MUTE
H/P MUTE
CHIP ENBLE
OFF HOOK
ON HOOK
High
Low
Figure 8(a). Hold and Handfree Timing Diagram
Note: The HOLD KEY cannot be enabled when chip is disabled.
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