EM91455 Просмотр технического описания (PDF) - ELAN Microelectronics

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производитель

EM91455

TONE/PULSE DIALER WITH LCD INTERFACE AND I.P.P. DETECT FUNCTION

ELAN Microelectronics 

EM91455 SERIES

TONE/PULSE DIALER WITH LCD INTERFACE

AND I.P.P. DETECT FUNCTION

RING

DRING

HKS

RMUTE

Toff

Ton

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.

9.24.1998 17

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