W91544AN 查看數據表（PDF） - Winbond

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W91544AN

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

Winbond 

W91540N SERIES

1. Crystal parameters suggested for proper operation are Rs < 100 Ω, Lm = 96 mH, Cm = 0.02 pF, Cn = 5 pF, Cl = 18 pF,

Fosc. = 3.579545 MHz ±0.02%.

2. Crystal oscillator accuracy directly affects these times.

TIMING WAVEFORMS

HKS

KEY IN

DP

T/P MUTE

KT

DTMF

OSC.

< 600mS

< 300mS

3

TKID

4

TIDP

MB

TPDP

2

TIDP M B

TIDP

2

TKID

TKRD

TPDP TIDP

Low

OSCILLATION

OSCILLATION

Figure 1(a). Normal Dialing Timing Diagram (Pulse Mode Without Lock Function)

HKS

KEY IN

DP

T/P MUTE

KT

DTMF

OSC.

< 600mS

< 300mS

3

TOFD

4

TKID

MB

TPDP

TFKD

2

TIDP M B

TIDP

Low

OSCILLATION

2

TKID

TKRD

TIDP

TPDP

OSCILLATION

Figure 1(b). Normal Dialing Timing Diagram (Pulse Mode with Lock Function)

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