W9145 查看數據表（PDF） - Winbond

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W9145

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

Winbond 

W9145 SERIES

Timing Waveforms, continued

HKS

KEY IN

DP/C5

T/P MUTE

DTMF

X MUTE

OSC.

4

2

*/T

TKID

TPDP

TIDP

2

TIDP

TP

LOW

T ITP

OSCILLATION

Figure 6. P→T Operation Timing Diagram in Normal Dialing

HKS

KEY IN

DP/C5

T/P MUTE

X MUTE

DTMF

OSC.

F

TKID

LOW

TFB

OSCILLATION

LOW

LOW

Figure 7. Flash Operation Timing Diagram

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