CS4952 데이터 시트보기 (PDF) - Cirrus Logic
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CS4952 Datasheet PDF : 44 Pages
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CS4952/53
A.C. CHARACTERISTICS:
Parameter
Pixel Input and Control Port
Clock Pulse High Time
Clock Pulse Low Time
Clock to Data Set-up Time
Clock to Data Hold Time
Clock to Data Output Delay
Symbol Min
Tch
14.82
Tcl
14.82
Tisu
6
Tih
0
Toa
-
Typ
Max Units
18.52 22.58 ns
18.52 22.58 ns
-
-
ns
-
-
ns
-
17
ns
CLK
Tisu
Tch Tcl
V[7:0]
HSYNC*/VSYNC*
(Inputs)
Tih
Toa
HSYNC*/VSYNC*/
CB/FIELD/INT
(Outputs)
Figure 1. Video Pixel Data and Control Port Timing
Parameter
I2C Host Port Timing
SCL Frequency
Clock Pulse High Time
Clock Pulse Low Time
Hold Time (Start Condition)
Setup Time (Start Condition)
Data Setup Time
Rise Time
Fall Time
Setup Time (Stop Condition)
Bus Free Time
Data Hold Time
SCL Low to Data Out Valid
Tbuf Tsh
Symbol Min
Fclk
100
Tsph
0.1
Tspl
0.7
Tsh
100
Tssu
100
Tsds
50
Tsr
Tsf
Tss
100
Tbuf
100
Tdh
0
Tvdo
Tdh Tsds
Tsh
SDA
SCL
Tsr
Tsph
Tvdo
Tspl
Tsf
Tssu
Figure 2. I2C Host Port Timing
Typ
Max Units
1000 KHz
µs
µs
ns
ns
ns
1
µs
0.3
µs
ns
ns
ns
600
ns
Tss
DS223PP2
7
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