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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 |
| 文件頁數(shù)： | 41/60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.
41
Preliminary
Company Confidential
Register 27
-
rw: Common control G
COMG7: Reserved.
COMG6: Reserved.
COMG5: Reserved.
COMG4: RGB matrix disable. “1” - Bypass RGB matrix. “0” - Enable RGB matrix.
COMG3: Reserved.
COMG2: “1” Enables manual adjustment of A/D offset: 1 - A/D data will add or subtract a value defined by
registers [21] and [22]. 0 - A/D data will be shifted by a value defined by registers [21], [22] and
[2E], which is updated by internal circuit.
COMG1: - Disables CCIR range clip.
COMG0: - Special interface for external micro-controller and RAM timing control. See timing chart.
Register 28
-
rw: Common control H
COMH7: - “1” selects One-Line RGB raw data output format, “0” selects normal dual-line (repetitive) raw
data output, effective only in Progressive Scan mode.
COMH6: - “1” enable Black/White mode.
COMH5: - “1” select Progressive Scan mode; “0” select Interlaced mode.
COMH4: - Freeze AEC/AGC value - current values retained. This is effective only when register 13 bit 0=1.
COMH3: - AGC disable.
COMH2: - Raw data output format: “1” - Green on Y channel, B R B R....on UV channel (GRB422), “0” - G
R G R.... on Y channel, B G B G..... on UV channel.
COMH1: - 2x Gain boost. “1” Double PreAmp gain to 6dB. “0” PreAmp gain is 0dB.
COMH0: - Reserved.
Register 29
-
rw: Common control I
COMI7: - AEC disable. “1” If register 13 bit 0=1, AEC stop and register [10] value will be held at last AEC
value and not be updated by internal circuit. “0” - if register 13 bit 0=1, register [10] value will
be updated by internal circuit
COMI6: - Enable slave sync mode selection. “1” slave mode, use external CHSYNC and VSYNC.
“0” master mode
COMI<5:4> - Reserved.
COMI3: - Central weighted exposure control.
COMI2: - Reserved.
COMI1 - COMI0: Version flag.
Bits
COMG7
COMG6
COMG5
COMG4
COMG3
COMG2
COMG1
COMG0
Default
1
1
1
0
0
0
1
0
Bits
COMH7
COMH6
COMH5
COMH4
COMH3
COMH2
COMH1
COMH0
Default
0
0
0
0
0
0
0
0
Bits
COMI7
COMI6
COMI5
COMI4
COMI3
COMI2
COMI1
COMI0
Default
0
0
0
0
0
0
0
0
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