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LM9811 Datasheet(PDF) 18 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # LM9811
Description  10-Bit Greyscale/30-Bit Color Linear CCD Sensor Processor
PDF  36 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM9811 Datasheet(HTML) 18 Page - National Semiconductor (TI)

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Configuration Register t
MCLK = 1/fMCLK = 1 MCLK period. Examples given in parenthesis are for fMCLK =
20MHz (t
MCLK = 50ns). Times for 12MHz MCLK can be calculated by multiplying by
(Continued)
TABLE 2. Configuration Register Parameters (Continued)
Parameter
Control Bits
Result
Dummy Pixels
Note: Minimum
Register Value is 2.
Actual number of
dummy pixels in CCD
should be one less
than number in this
register.
BLS6
BLS5
BLS4
BLS3
BLS2
BLS1
BLS0
Dummy Pixels
0
000000
Not Valid
0
000001
Not Valid
0
000010
1
0
000011
2
•
••••••
•
1
111101
124
1
111110
125
1
111111
126
Optical Black Pixels
Note: Minimum
Register Value is 1.
BLL7
BLL6
BLL5
BLL4
BLL3
BLL2
BLL1
BLL0
Optical Black Pixels
0
0000000
Not Valid
0
0000001
1
0
0000010
2
0
0000011
3
•
•••••••
•
1
1111101
253
1
1111110
254
1
1111111
255
Internal PGA
Gain Coefficient
GAIN7
GAIN6
GAIN5
GAIN4
GAIN3
GAIN2
GAIN1
GAIN0
dB [V/V]
0
0000000
0.00 1.000
0
0000001
0.07 1.008
0
0000010
0.13 1.015
•
•••••••
•
1
1111101
9.35 2.935
1
1111110
9.37 2.942
1
1111111
9.40 2.950
PGA Gain
PGASRC
Coefficient
0
Internal
Source
1
External
Offset DAC Sign
ODSIGN
0
Negative
1
Positive
Power Down
PD
0
Operating
1
Powered Down
Offset Add
OFF ADD
0
Offset z0 LSB
1
Offset z+8 LSB
www.national.com
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