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W91620 View Datasheet(PDF) - Winbond
Part Name
Description
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W91620
10-MEMORY TONE/PULSE DIALER WITH TWO-STAGE REDIAL FUNCTION
Winbond
W91620 Datasheet PDF : 16 Pages
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W91620 SERIES
Timing Waveforms, continued
HKS
KEY IN
DP/C5
4
2
T
KID
BM
T
PDP
PT
8
MB
T
IDP
T
IDP
T/P MUTE
T
ITP
DTMF
P MUTE
OSC.
OSCILLATION
Figure 4. P
→
T Operation Timing Diagram in Normal Dialing
HKS
LOW
KEY IN
F
F
3
T
KID
DP/C5
T
FB
T
FP
T
FP
T
IDP
T/P MUTE
P MUTE
DTMF
OSC.
LOW
OSCILLATION
Figure 5. Flash Operation Timing Diagram
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