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Part Name
Description
CS4954-CQ View Datasheet(PDF) - Cirrus Logic
Part Name
Description
Manufacturer
CS4954-CQ
NTSC/PAL Digital Video Encoder
Cirrus Logic
CS4954-CQ Datasheet PDF : 56 Pages
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TIMING CHARACTERISTICS
Parameter
I
2
C Host Port Timing (Figure 2)
SCL Frequency
Clock Pulse High Time
Clock Pulse Low Time
Hold Time (Start Cond.)
Setup Time (Start Cond.)
Data Setup Time
Rise Time
Fall Time
Setup Time (Stop Cond.)
Bus Free Time
Data Hold Time
SCL Low to Data Out Valid
CS4954 CS4955
Symbol Min Typ Max Units
Fclk
100
Tsph
0.1
Tspl
0.7
Tsh
100
Tssu
100
Tsds
50
Tsr
Tsf
Tss
100
Tbuf
100
Tdh
0
Tvdo
1000 KHz
µ
s
µ
s
ns
ns
n
s
1
µ
s
0.3
µ
s
ns
ns
ns
600
ns
T
sh
T
bu
T
ds
T
dh
T
sh
T
ss
SDA
SCL
T
sr
T
sph
T
vdo
T
spi
T
si
T
ssu
Figure 2. I
2
C Host Port Timing
8
DS278PP4
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