EM91450 Ver la hoja de datos (PDF) - ELAN Microelectronics

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componentes Descripción

Fabricante

EM91450

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

ELAN Microelectronics 

EM91450 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.

2.10.1999 17

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