lm9822ccwmx National Semiconductor Corporation, lm9822ccwmx Datasheet - Page 9

• Manufacturer Part Number: lm9822ccwmx
• Description: Lm9822 3 Channel 42-bit Color Scanner Analog Front End
• Manufacturer: National Semiconductor Corporation

Timing Diagrams
Sample Reference
Sample Reference
Sample Reference
Sample Signal
Sample Signal
Sample Signal
OS
OS
ADC Clock
ADC Clock
OS
OS
ADC Clock
Level
Level
Level
(internal)
(internal)
(internal)
Level
D7 -D0
Level
D7 -D0
Level
D7 -D0
MCLK
VSMP
OS
MCLK
VSMP
MCLK
VSMP
R
B
R
B
,
,
G
OS
OS
G
G
Diagram 2: Divide by 6 Monochrome Mode Sample and Data Output Timing (Green Input shown)
,
,
XX
DOE (Register 0, Bit 4) = 0
DOE (Register 0, Bit 4) = 0
DOE (Register 0, Bit 4) = 0
GH
XX
RH
N-1
N-1
N-1
Diagram 1: Divide by 6 Color Mode Sample and Data Output Timing
Diagram 3: Divide by 8 Color Mode Sample and Data Output Timing
N-5
N-4
GL
XX
RL
BH
XX
GH
N
N
N
N-4
N-5
BL
XX
GL
RH
GH
BH
9
N-4
N-4
N-4
RL
GL
BL
GH
XX
XX
N
N
N-4
GL
XX
XX
BH
XX
RH
N
N+1
N+1
N-3
N-4
BL
XX
RL
H = d13-d6
L = d5-d0
H = d13-d6
L = d5-d0
H = d13-d6
L = d5-d0
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RH
GH
GH
N+1