W91F820LN Просмотр технического описания (PDF) - Winbond

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W91F820LN

13-FLASH MEMORY TON/PULSE DIALER WITH HANDFREE, LOCK AND HOLD FUNCTIONS

Winbond 

Preliminary W91F820N SERIES

Timing Waveforms, continued

HKS

KEY IN

DTMF

T/P MUTE

H/P MUTE

KT

DTMF

OSC.

3

2

TKID

TTD

6

TKRD

TITP

TKID

5

TKRD

TITP

TKRD

TITP

LOW

HIGH

OSC.

OSC.

Figure 2(a) Tone Mode Timing Diagram (Normal dialing without lock)

HKS

KEY IN

DTMF

T/P MUTE

H/P MUTE

KT

DP

OSC.

< 300 mS

3

2

6

TKRD

TTD

TITP

TFKD

LOW

TKID

5

TKRD

TITP

TKRD

TITP

HIGH

OSC.

OSC.

Figure 2(b) Tone Mode Timing Diagram (Normal dialing with lock function)

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Publication Release Date: January 1999

Revision A1

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