EM91210 Ver la hoja de datos (PDF) - ELAN Microelectronics
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componentes Descripción
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EM91210 Datasheet PDF : 19 Pages
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EM91210 SERIES
TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
TIMING DIAGRAM
HKS
KEY IN
KT
XMUTE
PM
SDO
PO
DTMF
OSC.
2
3
Tdb
Tkt
Tsdo
Tm
Tidp
T T TT
Tidp
b m bm
Figure 1. Pulse mode operating timing
Hi-impedance
HKS
KEY IN
KT
XMUTE
PM
SDO
PO
DTMF
OSC.
2
3
Tdb
Td
Titp
Figure 2. DTMF mode operating timing
* This specification are subject to be changed without notice.
Titp
Hi-impedance
10.1.1997 10
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