LM9830VJDX NSC [National Semiconductor], LM9830VJDX Datasheet - Page 22

• Manufacturer Part Number: LM9830VJDX
• Description: LM9830 36-Bit Color Document Scanner
• Manufacturer: NSC [National Semiconductor]

Address
5F-6F
71-7F
TEST MODE SETTINGS
5B
5C
5D
5E
70
Reserved
ADC Output Code - MSB
ADC Output Code - LSB
Reserved
Offset Subtractor Input Select
CDS Signal
Reserved
Parallel Port Noise Filter
Reserved
Function
D
7
0 0 0 0 0 0 0 0 Write 00 to this register
n n n n n n n n
0 0 0 0 0 0 0 0
0
1
0 0 0 0 0 0 0 0 Write 00 to these registers
0 1 1 1 0 0 0 0 Write 70 to this register
0 0 0 0 0 0 0 0 Write 00 to these registers
D
6
D
0
1
5
22
D
4
D
n n n n Used to force the input to the Offset Subtractor
3
D
2
D
1
D
0
to a known value for digital tests
Write 00 to this register for normal operation, modify
bits 5 and 7 as shown below for test modes
The ADC is input to Offset Subtractor
Registers 5C and 5D are input to Offset Subtractor
Normal Operation
CDS signal is output on TEST pin
Value
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