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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) |
| 文件頁數(shù)： | 47/60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.
47
Preliminary
Company Confidential
Register 70 - rw: Common Control K
COMK7 - “1” HREF edges coincident (no delay) with PCLK negative/falling edges (COMD6 must be set to
“0”). “0” HREF edge occurs 10 ns after PCLK positive/rising edge.
COMK6 - Output port drive current additional 2x control bit.
COMK5 - Reserved.
COMK4 - Selects ZV port timing. “1” VSYNC output ZV port vertical sync signal. “0” normal TV vertical
sync signal.
COMK3 - Accelerated saturation mode for camera mode change. (QVGA, 8 Bit output, CCIR 656 mode
and Progressive Scan Mode). After relative control bit set, the first VS will be the stable image
with suitable AEC/AWB setting. “0” - slow mode, after mode change need more field/frame to
get stable AEC/AWB setting image.
COMK2 - Reserved.
COMK1 - AWB update rate selection. “1” fast mode; “0” slow mode.
COMK0 - Set to “1” in single line mode, otherwise set to “0” and set COMG4 to disable.
Register 71 - rw: Common Control J
COML7 - Auto Brightness update rate: “1” - Slow mode; “0” - fast mode.
COML6 - Gated PCLK selection. “1” - Enables PCLK gated by HREF; “0” - PCLK is free running clock
COML5 - Swap HREF output pin with CHSYNC. “1” - HREF pin output CHSYNC signal; “0” - No swap.
COML4 - Swap CHSYNC output pin with HREF. “1” - CHSYNC pin output HREF signal; “0” - normal out-
put.
COML<3:2>- Highest 2 bit for HSYNC rising edge shift control, combined with register [72]
COML<1:0>- Highest 2 bit for HSYNC falling edge shift control, combined with register [73]
Register 72- rw: Horizontal Sync 1st Edge shifting
HSDY<7:0> - Lower 8 bit control for shifting horizontal sync CHSYNC first edge. Range is [000] - [3FF].
Every count equals 1 PCLK.
Bits
COMK7
COMK6
COMK5
COMK4
COMK3
COMK2
COMK1
COMK0
Default
1
0
0
0
0
0
0
1
Bits
COML7
COML6
COML5
COML4
COML3
COMK2
COML1
COML0
Default
0
0
0
0
0
0
0
0
Bits
HSDY7
HSDY6
HSDy5
HSDY4
HSDY3
HSDY2
HSDY1
HSDY0
Default
0
0
0
1
0
1
0
0
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