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Número de pieza
componentes Descripción
W91321 Ver la hoja de datos (PDF) - Winbond
Número de pieza
componentes Descripción
Fabricante
W91321
TONE/PULSE DIALER WITH REDIAL FUNCTION
Winbond
W91321 Datasheet PDF : 19 Pages
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W91320N SERIES
Timing Waveforms, continued
HKS
HFI
H KEY
HFO
T/P MUTE
H/P MUTE
CHIP ENBLE
ON HOOK
High
Figure 3c. Handfree and Hold Timing Diagram
Note: Changing the state of the HKS signal from high to low will initialize the HFO and H/P MUTE signals.
HKS
KEY IN
DP
HFI
HFO
T/P MUTE
H/P MUTE
DTMF
OSC.
< 600 mS
R
R
300 mS
T
KID
T
KID
T
RB
MB
T
OFD
T
FKD
T
PDP
T
IDP
Low
OSCILLATION
T
IDP
MB
T
RP
T
PDP
Figure 4. One-key Redial Timing Diagram (Pulse Mode)
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