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Part Name
Description
W91F820N View Datasheet(PDF) - Winbond
Part Name
Description
Manufacturer
W91F820N
13-FLASH MEMORY TON/PULSE DIALER WITH HANDFREE, LOCK AND HOLD FUNCTIONS
Winbond
W91F820N Datasheet PDF : 20 Pages
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Preliminary W91F820N SERIES
Timing Waveforms, continued
HKS
KEY IN
DP
T/P MUTE
H/P MUTE
KT
DTMF
OSC.
CHIP ENABLE
T
KID
<300 mS
T
OFD
T
4
T<T
OHD
M
B
T
PDP
T
IDP
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
T
RB
T
KID
LOW
M
T
RP
B
T
IDP
T
IDP
T
PDP
T
PDP
LOW
OSC.
Figure 5 Pulse Mode One-key Dedialing Timing Diagram (without lock)
- 17 -
Publication Release Date: January 1999
Revision A1
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