EM91215B データシートの表示（PDF） - ELAN Microelectronics
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EM91215B Datasheet PDF : 19 Pages
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EM91215 SERIES
TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
HKS
KEY IN
KT
XMUTE
PM
SDO
PO
DTMF
OSC.
2
RD/P
3
Tp
Tidp
Tidp
Figure 5. Pause key operating timing
Hi-impedance
HKS
KEY IN
KT
XMUTE
PM
SDO
PO
DTMF
OSC.
HKS
KEY IN
KT
XMUTE
PM
SDO
PO
DTMF
OSC.
2
*/T
3
4
Tpt
Figure 6. Pulse to Tone (P→T) operating timing
F
Tdb
Tf
Tfp=300ms
Figure 7. Flash key operating timing
* This specification are subject to be changed without notice.
Hi-impedance
Hi-impedance
10.1.1997 12
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