W9145A Просмотр технического описания (PDF) - Winbond

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W9145A

15-MEMORY TONE/PULSE DIALER WITH LOCK AND HANDFREE FUNCTIONS

Winbond 

W9145 SERIES

TIMING WAVEFORMS

HKS

KEY IN

KT

DP/C5

T/P MUTE

DTMF

X MUTE

OSC.

4

2

R

TKID

TKRD

TPDP

TIDP

TMD

LOW

LOW

OSCILLATION

MANUAL DIALING

OSCILLATION

AUTO DIALING

Figure 1. Pulse Mode Dialing Timing Diagram

HKS

KEY IN

DTMF

X MUTE

T/P MUTE

DP/C5

KT

OSC.

TKID

TTD

TTD TITP

TKRD TKID

TKRD

TITP

TKD

OSCILLATION

OSCILLATION

Figure 2(a). Tone Mode Normal Dialing Diagram

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