EM91401CP

Manufacturer Part NumberEM91401CP
DescriptionTone/pulse switchable dialer with LCD interface and dual tone melody generator
ManufacturerELAN Microelectronics Corp
EM91401CP datasheet
 


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Page 13/23:

TIMING DIAGRAM

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TIMING DIAGRAM

HKS
2
KEY IN
Tdb
KT
XMUTE
HDO
SDO
PO
DTMF
OSC.
Tdly
HKS
KEY IN
KT
XMUTE
HDO
SDO
PO
DTMF
OSC.
* This specification are subject to be changed without notice.
TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
3
Tkt
Tm
T
Tidp
T
T
T
m
b
b
m
Figure 1. Pulse mode operating timing
2
Tdb
Td
Titp
Figure 2. DTMF mode operating timing
EM91401 SERIES
AND DUAL-TONE MELODY GENERATOR
Tidp
Hi-impedance
3
Titp
Hi-impedance
10.1.1997
13