lm9822ccwmx National Semiconductor Corporation, lm9822ccwmx Datasheet - Page 11

• 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
(internal signal)
Sample Reference
(internal signal)
SCLK
SEN
SCLK
SEN
SDO
Sample Signal
Sample Signal
Sample Signal
Clamp On
Clamp On
SDI
SDI
OS
OS
D3 -D0
R
B
MCLK
VSMP
MCLK
VSMP
CLMP
MCLK
VSMP
CLMP
OS
OS
, OS
G
,
XX
XX
R/W bit
1
CDSREF = 00
CDSREF = 00
R/W bit
(Continued)
N-1
N-1
0
A3 - A0
A3
Diagram 10: Configuration Register Serial Write Timing
N
N
Diagram 11: Configuration Register Serial Read Timing
Diagram 7: Programmable Reference Sample Timing
A2
Diagram 8: Clamp Timing With SMPCL = 0
Diagram 9: Clamp Timing With SMPCL = 1
A1
XX
N
N
A0
CDSREF=00
D7
11
N+1
N+1
XX
D6
CDSREF=01
D5
N+1
N+1
D4
D3
N+2
N+2
CDSREF=10
D2
1
D1
A3 - A0
b7 - b0
N+2
N+2
D0
CDSREF=11
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XX