EM91240AP EMC [ELAN Microelectronics Corp], EM91240AP Datasheet - Page 13
EM91240AP
Manufacturer Part Number
EM91240AP
Description
TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
Manufacturer
EMC [ELAN Microelectronics Corp]
Datasheet
1.EM91240AP.pdf
(20 pages)
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* This specification are subject to be changed without notice.
XMUTE
KEY IN
XMUTE
DTMF
KEY IN
HKS
KEY IN
XMUTE
OSC.
SDO
DTMF
KT
PM
PO
HKS
DTMF
OSC.
SDO
HKS
OSC.
SDO
PM
PO
KT
PM
KT
PO
Tdb
2
Figure 6. Pulse to Tone (P T) operating timing
Tidp
2
F
Figure 5. Pause key operating timing
Figure 7. Flash key operating timing
Tf
RD/P
*/T
TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
Tp
Tfp=300ms
3
Tpt
3
Tidp
Hi-impedance
4
Hi-impedance
Hi-impedance
EM91240 SERIES
10.1.1997
13
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