W91472 Просмотр технического описания (PDF) - Winbond

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производитель

W91472

6-MEMORY TONE/PULSE DIALER WITH SAVE AND HANDFREE FUNCTIONS

Winbond 

TIMING WAVEFORMS

W91472N SERIES

HKS

KEY IN

DP

T/P MUTE

DTMF

OSC.

3

TKID

4

TIDP M B

TPDP

2

TIDP M B

TIDP

Low

OSCILLATION

2

TKID

TKRD

TIDP

TPDP

OSCILLATION

Figure 1(a). Normal Dialing Timing Diagram

HKS

KEY IN

DP

T/P MUTE

DTMF

OSC.

TKRD

R/P

TKID

MB

TPDP

TIDP M B

TIDP

T < T OHD

TIDP

Low

OSCILLATION

Figure 1(b). Pulse Mode Auto Dialing Timing Diagram

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