W91F822N 查看數據表（PDF） - Winbond

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W91F822N

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

Winbond 

Preliminary W91F820N SERIES

Timing Waveforms, continued

HKS

KEY IN

DP

T/P MUTE

H/P MUTE

KT

DTMF

OSC.

CHIP ENABLE

TKID

<300 mS

TOFD

T

4

T<T OHD

M

B

T PDP

TIDP

T FKD

LOW

OSC.

ON HOOK

Figure 4 Lock Function Timing Diagram

T OFD

OSC.

T OHD

HKS

KEY IN

DP

T/P MUTE

H/P MUTE

KT

DTMF

OSC.

OKR

TRB

TKID

LOW

M

TRP

B

TIDP

TIDP

TPDP

TPDP

LOW

OSC.

Figure 5 Pulse Mode One-key Dedialing Timing Diagram (without lock)

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Publication Release Date: January 1999

Revision A1

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