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

HKS

KEY IN

KT

XMUTE

2

RD/P

3

Tp

SDO

PO

DTMF

OSC.

HKS

KEY IN

KT

XMUTE

Tidp

Tidp

Figure 5. Pause key operating timing

2

*/T

3

Tpt

SDO

PO

DTMF

OSC.

Figure 6. Pulse to Tone (P→T) operating timing

HKS

F

KEY IN

Tdb

KT

XMUTE

SDO

PO

DTMF

Tf

Tfp=300ms

OSC.

Figure 7. Flash key operating timing

* This specification are subject to be changed without notice.

Hi-impedance

4

Hi-impedance

Hi-impedance

2.10.1999 15

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