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Número de pieza
componentes Descripción
W91820N Ver la hoja de datos (PDF) - Winbond
Número de pieza
componentes Descripción
Fabricante
W91820N
13-MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HOLD FUNCTIONS
Winbond
W91820N Datasheet PDF : 22 Pages
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W91820N SERIES
Timing Waveforms, continued
HKS
KEY IN
DTMF
T/P MUTE
H/P MUTE
KT
DP
OSC.
ON HOOK
R/P
T
KID
T
TD
T
T > T
OHD
T
ITP
LOW
(return to initial state)
HIGH
OSC.
Figure 2(c). Tone Mode Timing Diagram with On-hook Debounce (Auto dialing)
HKS
OFF HOOK
HFI
ON HOOK
H KEY
HFO
T/P MUTE
H/P MUTE
HIGH
LOW
CHIP ENABLE
Note: The H KEY can not be enabled during chip dissable.
Figure 3(a)
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