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W91580B 데이터 시트보기 (PDF) - Winbond
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W91580B
24-MEMORY TONE/PULSE SWITCHABLE DIALER WITH HANDFREE AND HOLD FUNCTIONS
Winbond
W91580B Datasheet PDF : 19 Pages
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W91580 SERIES
TIMING WAVEFORMS
HKS
KEY IN
DP
T/P MUTE
HPM MUTE
KT
DTMF
OSC.
4
2
T
KI
D
B
M
T
PD
T
ID
T
ID
P
P
P
2
T
KI
D
T
ID
P
T
PD
P
LOW
OSCILLATION
OSCILLATION
Figure 1. Pulse Mode Diagram (Normal Dialing)
HKS
KEY IN
DTMF
T/P MUTE
HPM MUTE
KT
DP
OSC.
T
KID
T
ITP
T
TD
T
KRD
T
ITP
T
KID
T
KRD
T
ITP
LOW
LOW
HIGH
OSCILLATION
OSCILLATION
Figure 2. Tone Mode Diagram (Normal Dialing)
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