EM91450A EMC [ELAN Microelectronics Corp], EM91450A Datasheet - Page 17

• Manufacturer Part Number: EM91450A
• Description: TONE/PULSE DIALER WITH LCD INTERFACE AND I.P.P. DETECT FUNCTION
• Manufacturer: EMC [ELAN Microelectronics Corp]

EM91450 SERIES
TONE/PULSE DIALER WITH LCD INTERFACE
AND I.P.P. DETECT FUNCTION
Toff
RING
Ton
DRING
HKS
RMUTE
Figure 11. Timing of receiving an incoming call
* The external ring detection circuit must send a low signal at the total ring cycle (Ton and Toff)
RING
DRING
HKS
RMUTE
Figure 12. Timing of making an outgoing call
* This specification are subject to be changed without notice.
2.10.1999
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