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W91621 データシートの表示(PDF) - Winbond
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コンポーネント説明
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W91621
10-MEMORY TONE/PULSE DIALER WITH TWO-STAGE REDIAL FUNCTION
Winbond
W91621 Datasheet PDF : 16 Pages
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W91620 SERIES
TIMING WAVEFORMS
HKS
KEY IN
DP/C5
T/P MUTE
P MUTE
DTMF
OSC.
3
2
T
KID
T
IDP
T
PDP
T
PDP
T
IDP
T
B
T
M
R
T
KID
T
IDP
T
PDP
T
PDP
T
IDP
OSCILLATION
NORMAL DIALING
LOW
OSCILLATION
AUTO DIALING
Figure 1. Pulse Mode Timing Diagram
HKS
KEY IN
DTMF
T/P MUTE
DP/C5
P MUTE
OSC.
T
KID
T
PTM
T
ITP
T
TD
T
KRD
T
KRD
T
KID
T
PTM
T
ITP
T
KRD
T
ITP
HIGH
OSCILLATION
LOW
OSCILLATION
Figure 2(a). Tone Mode Normal Dialing Timing Diagram
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