W91520N Ver la hoja de datos (PDF) - Winbond

Número de pieza

componentes Descripción

Fabricante

W91520N

TONE/PULSE DIALER WITH HANDFREE AND HOLD FUNCTIONS

Winbond 

W91520N SERIES

Timing Waveforms, continued

HKS

KEY IN

DP

T/P MUTE

H/P MUTE

DTMF

OSC.

TPDP

2

*/T

TKID

MB

TIDP

3

TP

OSCILLATION

Figure 6. Pulse-to-tone Timing Diagram

HKS

KEY IN

DP

HFI

HFO

T/P MUTE

H/P MUTE

DTMF

Low

F

F

TKID

T FB

TKID

F

TFB

OSC.

OSCILLATION

3

T FP

TKID

TITP

Figure 7. Flash Timing Diagram

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Publication Release Date: May 1997

Revision A3

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