W91810N Datasheet, PDF (21/26 Pages) Winbond – 23-MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HOLD FUNCTIONS

W91810N SERIES
Timing Waveforms, continued
HKS
KEY IN
DP
T/P MUTE
H/P MUTE
KT
DTMF
OSC.
CHIP ENABLE
T _KID
T
4
T<T _OHD
M
B
T _PDP
T _IDP
T _FKD
ON HOOK
LOW
OSC.
T _FKD
OSC.
T _OHD
Figure 4 Lock Function Timing Diagram
HKS
KEY IN
DP
T/P MUTE
H/P MUTE
KT
DTMF
OSC.
OKR
T_RB
T_KID
LOW
M
T_RP
B
T_IDP
T_IDP
T_PDP
T_PDP
LOW
OSC
.
Figure 5 Pulse Mode One-key Dedialing Timing Diagram
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Publication Release Date: March 2000
Revision A5