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WM8255 Datasheet(PDF) 38 Page - Cirrus Logic

Part # WM8255
Description  Single Channel 16-bit CIS/CCD AFE with RGB LED Current Drive
PDF  49 Pages
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Manufacturer  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

WM8255 Datasheet(HTML) 38 Page - Cirrus Logic

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Production Data
WM8255
w
PD, Rev 4.7, August 2013
38
OPERATING MODE TIMING DIAGRAMS
The following diagrams show 4-bit multiplexed output data and MCLK, VSMP and input video
requirements for operation of the most commonly used modes as shown in Table 6. The diagrams are
identical for both CDS and non-CDS operation.
MCLK
VSMP
VINP
OP[3:0]
(DEL = 00)
OP[3:0]
(DEL = 01)
OP[3:0]
(DEL = 10)
OP[3:0]
(DEL = 11)
16.5 MCLK PERIODS
A B C
D
A B C
D
A B C
D
A B C
D
A B C
D
A B C
A B C
A B C
D
A B C D
A B C
A B C
A B C
A B C D
A B C
D
A B C
D
A B C
D
A B C
D
D
D
D
A B C
D
D
D
D
D
Figure 30 Mode 1 Operation
AB C
AB C
AB C D
AB C
AB C
AB C
AB C
ABC
D
ABC
ABC D
ABC D
ABC
AB
C
C
ABC
AB
C
C
ABC
AB
C
C
ABC
AB
C
C
MCLK
VSMP
(DEL= 00)
VINP
OP[3:0]
(DEL= 01)
OP[3:0]
(DEL= 10)
OP[3:0]
(DEL= 11)
24.5 MCLK PERIODS
OP[3:0]
RESET
SAMPLE
VIDEO
SAMPLE
R
S
V
S
R
S
V
S
R
S
V
S
R
S
V
S
R
S
V
S
R
S
V
S
D
D
D
D
D
D
AB C
ABC
ABC
D
D
D
D
ABC
D
D
ABC
D
D
D
D
D
D
D
D
D
D
D
D
D
Figure 31 Mode 2 Operation



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