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參數(shù)資料
| 型號： | OV7620 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | OV7620 SINGLE-CHIP CMOS VGA COLOR DIGITAL CAMERA |
| 中文描述： | OV7620的單芯片CMOS VGA彩色數(shù)碼相機(jī) |
| 文件頁數(shù)： | 45/60頁 |
| 文件大?。?/td> | 313K |
| 代理商： | OV7620 |
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OV7620 Product Specifications - Rev. 1.2 (5/13/00)
OMNIVISION TECHNOLOGIES INC.
45
Preliminary
Company Confidential
Register 66
-
rw: AWB Process Control
White balance limiting function - YUV matrix control.
Register 74:7 must be enabled for AWB process control.
AWBC<7:6>: Smart AWB ignores RGB raw data pixel values above (00):70%, (01): 80%, (10): 90%,
(11):100%.
AWBC<5:4>: Smart AWB ignores RGB raw data pixel values below (00):10%, (01) 20%, (10) 30%,
(11) 40%.
AWBC<3:2>: U threshold level selection if use U/V as white balance feedback
00: (-10% ~ 10%); 01: (-20% ~ 20%); 10: (-30% ~ 30%); 11: (-40% ~ 40%)
AWBC<1:0>: V threshold level selection if use U/V as white balance feedback
00: (-10% ~ 10%); 01: (-20% ~ 20%); 10: (-30% ~ 30%); 11: (-40% ~ 40%)
Register 67
-
rw: Color Space Selection
YUV<7:6>: UV coefficient selection (U/V is output and u/v is input)
[00]: YUV
[01]: Analog YUV
[10]: CCIR 601 YCrCb
[11]: PAL YUV
YUV5: U/V signal delay 2 pixel selection
YUV4: U/V signal with 3 point chroma average(2 pixel delay accordingly)
YUV<3:2>: Y signal delay selection: (00) - 0; (01) - 1; (10) - 2; (11) - 3 pixels
YUV1: Auto saturation control (decreases color noise) enable.
YUV0: Auto saturation control range selection: 0 - 1.5x; 1 - 1x.
Register 68
-
rw: Signal Process Control D
SPCD<7:5>: AEC/AGC Brighness Target level selection.
000 - 10%; 001 - 30%; 010 - 50%; 011 - 70%; 100 - 80%; 101 - 90%; 110 - 100%; 111 - 110%.
SPCD4: Reserved. Always set to “0”.
SPCD<3:2>: Anti-alias threshold: 11 lowest threshold; 01, 10 midrange threshold; 00 highest threshold.
SPCD<1:0>: Anti-alias magnitude: 00 - low strength; 01, 10 mid strength; 11:high strength.
Bits
AWBC7
AWBC6
AWBC5
AWBC4
AWBC3
AWBC2
AWBC1
AWBC0
Default
0
1
0
1
0
1
0
1
Bits
YUV7
YUV6
YUV5
YUV4
YUV3
YUV2
YUV1
YUV0
Default
0
0
0
1
1
0
1
0
Bits
SPCD7
SPCD6
SPCD5
SPCD4
SPCD3
SPCD2
SPCD1
SPCD0
Default
1
1
0
0
1
1
0
0
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