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W91820LN データシートの表示(PDF) - Winbond
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W91820LN
13-MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HOLD FUNCTIONS
Winbond
W91820LN Datasheet PDF : 22 Pages
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W91820N SERIES
Timing Waveforms, continued
HKS
KEY IN
DP
T/P MUTE
H/P MUTE
T T<T
OHD
4
T
KID
M
B
T
PDP
T
IDP
T
FKD
DTMF
OSC.
LOW
OSC.
CHIP ENABLE
ON HOOK
Figure 4. Lock Function Timing Diagram
T
OFD
T
OHD
OSC.
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 Redialing Timing Diagram
- 18 -
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