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參數(shù)資料
| 型號(hào)： | 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(yè)數(shù)： | 42/60頁(yè) |
| 文件大小： | 313K |
| 代理商： | OV7620 |
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OV7620 Product Specifications - Rev. 1.2 (5/13/00)
OMNIVISION TECHNOLOGIES INC.
42
Preliminary
Company Confidential
Register [2A] - rw: Frame Rate Adjust Register 1
EHSH7 - Frame Rate adjustment enable bit. “1” Enable.
EHSH<6:5> - Highest 2 bit of frame rate adjust control byte. See explanation in register [2B].
EHSH4 - “1” - UV component delay 2 pixel. “ 0” no 2*Tp delay.
EHSH3 - Y channel brightness adjustment enable. When COMF2=1 active.
EHSH2 - For QVGA raw data format. “1” will force Y to output B G B G and UV to output G R G R
EHSH<1:0> - Reserved.
Register [2B] - rw: Frame Rate Adjust Register 2
EHSL<7:0> - Lowest 8 bit of frame rate adjust control byte. Frame rate adjustment resolution is 0.12%.
Control word is 10 bit. Every count decreases frame rate by 0.12%. Range is 0.12% - 112%. If
frame rate adjustment is enabled, COME7 must be set to “0”.
Register [2C] - rw: Black Expanding Register
EXBK<7:4> - Coarse Auto Black Level adjustment. Range is 0.08% - 1.3%
EXBK<3:0> - Fine Auto Black Level adjustment. Range is 0.08% - 1.3%.
Register [2D] - rw: Common Control J
COMJ7 - Reserved. Always set to “1”.
COMJ6 - QVGA 60 frame/s selection. “1” Only Odd field in Interlace Mode data output, “0” Odd/Even field
data output frame rate is 30 frames/s. VGA is output at 60 frames/s in dual line mode raw data.
COMJ5 - Reserved. Always set to “0”.
COMJ4 - Auto brightness enabled.
COMJ3 - Reserved. Always set to “0”.
COMJ2 - Banding filter enable. After adjust frame rate to match indoor light frequency, this bit enable a dif-
ferent exposure algorithm to cut light band induced by fluorescent light.
COMJ1 - Reserved. Always set to “0”.
COMJ0 - Reserved. Always set to “1”.
Bits
EHSH7
EHSH6
EHSH5
EHSH4
EHSH3
EHSH2
EHSH1
EHSH0
Default
0
0
0
0
0
0
0
0
Bits
EHSL7
EHSL6
EHSL5
EHSL4
EHSL3
EHSL2
EHSL1
EHSL0
Default
0
0
0
0
0
0
0
0
Bits
EXBK7
EXBK6
EXBK5
EXBK4
EXBK3
EXBK2
EXBK1
EXBK0
Default
1
0
0
0
1
0
0
0
Bits
COMJ7
COMJ6
COMJ5
OMJ4
COMJ3
COMJ2
COMJ1
COMJ0
Default
1
0
0
0
0
0
-
1
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