OV6630/OV6130 CMOS摄像头数据手册：英文版

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"OV6630/OV6130是OmniVision Technologies公司生产的单芯片CMOS摄像头，提供彩色(CMOS CIF Color Digital Camera - OV6630)和黑白(CMOS CIF B&W Digital Camera - OV6130)两种版本。这款传感器具有101,376像素，适用于1/4英寸镜头，支持CIF（Common Intermediate Format）和QCIF（Quarter Common Intermediate Format）格式。OV6630的主要特点包括：逐行扫描读出、多种数据格式如YCrCb 4:2:2、GRB 4:2:2和RGB Raw Data、8/16位视频数据兼容性，以及符合ITU-601、ITU-656和ZV端口标准。" 详述知识点: 1. **像素规格**：OV6630拥有101,376像素，这意味着它的分辨率相对较高，适合在多种应用中捕捉清晰图像。 2. **1/4英寸镜头**：这种尺寸的镜头适用于各种紧凑型设备，如手机、监控摄像头或小型电子设备，提供了较好的光学性能。 3. **CIF和QCIF格式**：CIF（352x288像素）和QCIF（176x144像素）是视频压缩标准，用于平衡图像质量和带宽需求，适用于视频通话、监控和多媒体应用。 4. **逐行扫描读出**：逐行扫描意味着传感器能快速捕捉并传输图像数据，减少了运动模糊，提高了动态拍摄时的图像质量。 5. **数据格式**：支持YCrCb 4:2:2、GRB 4:2:2和RGB Raw Data格式，这些格式在不同的视频处理和显示系统中广泛使用，其中YCrCb是色彩空间，常用于视频编码，GRB和RGB Raw Data则分别代表不同类型的无压缩色彩数据。 6. **8/16位视频数据**：支持这两种位深度的数据输出，适应不同系统需求，8位通常用于标准定义，16位可以提供更丰富的色彩层次。 7. **兼容性**：兼容ITU-601和ITU-656标准，确保与全球电视和视频系统的兼容性，ZV端口则用于某些消费电子产品中的视频输出。 8. **宽动态范围**：OV6630具有宽动态范围，能够捕捉亮度对比度较大的场景，防止亮部过曝或暗部欠曝。 9. **抗溢出和零涂抹技术**：防溢出功能防止像素过饱和，零涂抹技术减少图像噪声，提高图像质量。 10. **电子控制**：可编程的电子曝光、增益和白平衡控制，允许用户根据环境调整传感器参数。 11. **图像增强**：内置图像增强功能，如亮度、对比度、gamma校正、饱和度、锐度和窗口调整，提升图像的整体视觉效果。 12. **内部/外部同步**：支持内部和外部同步，使得OV6630能在不同系统环境中灵活应用。 13. **帧曝光/线曝光选项**：提供两种曝光方式，适应不同的光照条件和应用需求。 14. **低功耗设计**：工作电流小于20mA，待机模式下低于10μA，适合电池供电或节能设备。 15. **伽马校正**：支持0.45/0.55/1.00三种伽马值，优化不同环境下的色彩表现。 16. **I2C编程接口**：使用400kb/s的I2C（Inter-Integrated Circuit）接口，可编程调节颜色饱和度、亮度、对比度、白平衡、曝光时间和增益等参数，便于集成和调试。 17. **应用领域**：OV6630和OV6130适用于彩色和黑白成像应用，如移动通信、安防监控、工业自动化、医疗设备及消费类电子产品等。 OV6630是一款功能强大的CMOS摄像头传感器，具备多种高级特性，适用于需要高质量图像和低功耗的场合。其英文版数据手册对于设计和开发基于该传感器的系统非常有价值。

SINGLE IC CMOS COLOR AND B/W DIGITAL CAMERAS

March 4, 2000 Version 1.0 6

The OV6630/OV6130 imager supports both ITU-601 and ITU-656

output formats in the following configurations (See Table 3. 4:2:2 16-

bit Format for further details):

- 16-bit, 4:2:2 format

(This mode complies with the 60/50 Hz ITU-601 timing

standard. See Table 3. 4:2:2 16-bit Format below)

- 8-bit data mode

(In this mode, video information is output in Cb Y Cr Y

order using the Y port only and running at twice the pixel

rate during which the UV port is inactive. See Table 4. 4:2:2

8-bit Format below)

- 4-bit nibble mode

(In the nibble mode, video output data appears at bits Y4-

Y7. The clock rate for the output runs at twice the normal

output speed when in B/W mode, and 4 times the normal

output speed in when in color mode.)

- 704 x 288 format

(When programmed in this mode, the pixel clock is doubled

and the video output sequence is Y

··· and

···. See Figure 4. Pixel Data Bus (YUV Output)

below.)

The OV6630/OV6130 imager provides VSYNC, HREF, PCLK,

FODD, and CHSYNC as standard output video timing signals.

The OV6630/OV6130 imager can also be programmed to provide

RGB raw data in 16-bit, 8-bit, and 4-bit format. The output sequence

is matched to the OV6630 color filter pattern (See Figure 5. Pixel

Data Bus (RGB Output) below):

– Y channel output sequence is G R G R

– UV channel output sequence is B G B G

The video output appears in Y channel only and the UV channel is

disabled in 8-bit RGB raw data. The output sequence is B G R G.

In RGB raw data ITU-656 modes, the OV6630/OV6130 imager

asserts SAV (Start of Active Video) and EAV (End of Active Video)

to indicate the beginning and the ending of HREF window. As a

result, SAV and EAV change with the active pixel window. The 8-bit

RGB raw data is also accessible without SAV and EAV information.

The OV6630/OV6130 imager offers flexibility in YUV output format.

The device may be programmed as standard YUV 4:2:2. The device

may also be configured to “swap” the U V sequence. When swapped,

the UV channel output sequence in the 16-bit configuration becomes:

- V U V U···.

The 8-bit configuration becomes:

- V Y U Y···.

The third format available in the 8-bit configuration is the Y/UV

sequence swap:

- Y U Y V···.

The single-chip camera can be configured for use as a black and white

image device. The vertical resolution is higher than in color mode.

Video data output is provided at the Y port and the UV port is tri-

stated. The data (Y/RGB) rate is equivalent to 16-bit in color mode.

The MSB and LSB of Y/UV or RGB output can be reversed. Y7 is

MSB and Y0 is LSB in the default setting. Y7 becomes LSB and Y0

becomes MSB in the reserve order configuration. Y2-Y6 are also

reversed appropriately.

Table 2. Digital Output Format

Resolution Pixel Clock 352 x 288 704 x 288 176 x 144

16-bit Y Y Y

8-bit Y Y Y

ITU-656 Y Y Y

YUV 4:2:2

Nibble Y Y Y

16-bit Y Y Y

8-bit Y Y Y

ITU-656

Y Y Y

RGB

Nibble Y Y Y

16-bit Y/UV swap

8-bit Y Y Y

YUV

Y Y Y U/V swap

RGB

Y Y Y

16-bit Y Y Y YG

8-bit

16-bit Y One Line

8-bit

MSB/LSB swap Y Y Y

Note:

(“Y” indicates mode/combination is supported by OV6630/OV6130)

1. Output is 8-bit in RGB ITU-656 format. SAV and EAV are inserted at the beginning and ending of HREF, which

synchronize the acquisition of VSYNC and HSYNC. 8-bit data bus configuration (without VSYNC and

CHSYNC) can provide timing and data in this format.

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