W91544AN Ver la hoja de datos (PDF) - Winbond

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componentes Descripción

Fabricante

W91544AN

10-MEMORY TONE/PULSE DIALER WITH SAVE, KEYTONE, LOCK, AND HANDFREE FUNCTIONS

Winbond 

Timing Waveforms, continued

HKS

HFI

HFO

T/P MUTE

CHIP ENBLE

W91540N SERIES

ON HOOK

High

Figure 3. Handfree Timing Diagram

HKS

< 600mS

KEY IN

DP

T/P MUTE

KT

DTMF

300mS

TOFD

2

R/P

TKID

MB

TPDP

TFKD

OSC.

OSCILLATION

3

TP

Low

OSCILLATION

TIDP

MB

TPDP

Figure 4. Pause Function Timing Diagram

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