EM78808
8-bit Micro-controller
SECOND RING
2SECONDS
FIRST RING
2 SECONDS
0.5 SEC
0.5 SEC
TIP/RING
/ TRIG
/CD
Tcdh
Tcdl
Tdoc
DATA
DATA
(internal
clock)
3.579 MHz
Tsup
/358E
Fig.29 FSK timing diagram
CAS
Tc as i
p lu g
o n h o o k
in
in use
events
normal
Tc w d
Tc w r
CAS
CWPWR
power off
power on
Fig.30 Call waiting timing diagram
______________________________________________________________________________________________________________________________________________________
* This specification is subject to change without notice.
8/1/2004 (V3.1)
54
ELAN [ ELAN MICROELECTRONICS CORP ]
