XRD9825ACU Просмотр технического описания (PDF) - Exar Corporation

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XRD9825ACU

16-Bit Linear CIS/CCD Sensor Signal Processor with Serial Control

Exar Corporation 

XRD9825

CIS Line-By-Line Rotating Gain and Offset

(Configuration DB1 = 1, DB0 = 1)

Line-by-line rotating gain and offset minimizes the

amount of write cycles per scan. Pre-loaded values of

gain and offset can be loaded for each color before the

first line is scanned. Each gain and offset is cycled

through line-by-line so that the gain and offset do not

have to be loaded in between lines. Below is the typical

application circuit and timing for this configuration.

VCC (5V - 15V)

C

I

S

AGND

N/C

19 RED

18 GRN

17

BLU

16 VDCEXT

0.1u

F

AVDD

15

VREF+

20

AVDD

14 AGND

DB7/LD

9

8

DB6/SDATA

7

DB5/SCLK

DB4

DB3

DB2

6

5

4

3

DB1

DB0

2

11

ADCCLK

CLAM 12

P

13

SYNCH

DVDD (3V - 5V)

1

DVDD

DGND

10

XRD9825

DIGITAL

ASIC

DGND

Figure 11. Typical Application Circuitry Internal CIS Rotating Gain

and Offset Line-By-Line

Rev. 1.00

17

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