參數(shù)資料
型號(hào): AD9821
廠商: Analog Devices, Inc.
英文描述: Complete 12-Bit 40 MSPS Imaging Signal Processor
中文描述: 完整的12位40 MSPS的影像信號(hào)處理器
文件頁(yè)數(shù): 10/16頁(yè)
文件大?。?/td> 277K
代理商: AD9821
REV. 0
–10–
AD9821
REGISTER DETAILS
Table II. Operation Register Contents (Default Value x000)
Optical Black Clamp
D5
Reset
D4
Power-Down Modes
D3 D2
Channel Selection
D1 D0
D10
D9
D8
D7
D6
0
1
0
1
0
1
1
2
0
1
0
1
Enable Clamping
Disable
Clamping
0 Normal
1 Reset All Registers
to Default
0
0
1
1
0
1
0
1
Normal Power
Test Only
Ref-Standby
Total Power-Down
0
0
1
1
0 Test Only
1 Test Only
0 Test Only
1 Imager Mode
NOTES
1
Must be set to 0.
2
Set to 1.
Table III. VGA Gain Register Contents (Default Value x000)
MSB
D9
LSB
D0
D10
D8
D7
D6
D5
D4
D3
D2
D1
Gain (dB)
X
0
0
0
0
0
1
1
0
0
0
0
0
0.0
35.965
36.0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
Table IV. Clamp Level Register Contents (Default Value x080)
MSB
D7
LSB
D0
D10
D9
D8
D6
D5
D4
D3
D2
D1
Clamp Level (LSB)
X
X
X
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
1
0
1
0
0
1
2
254
255
1
1
1
1
1
1
1
1
1
1
1
1
0
1
Table V. Control Register Contents (Default Value x000)
DATACLK Polarity
D6
CLPOB/PBLK Polarity
D5
D10
D9
D8
D7
D4
D3
D2
D1
D0
X
0
*
0
*
0
*
0 Sample on Rising Edge
1 Sample on Falling Edge
0 Active Low
1 Active High
0
*
0
*
0
*
0
*
0
*
*
Must be set to 0.
相關(guān)PDF資料
PDF描述
AD9821KST Complete 12-Bit 40 MSPS Imaging Signal Processor
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AD9822JR Complete 14-Bit CCD/CIS Signal Processor
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