Digilent Pcam 5C 410-358 Referentiehandleiding - Pagina 2
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Features
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5MP color system-on-chip image sensor
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15-pin FFC connector for image data
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Dual lane MIPI CSI-2 image sensor interface
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Supports QSXGA@15Hz, 1080p@30Hz, 720p@60Hz, VGA@90Hz and QVGA@120Hz*
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Output formats include RAW10, RGB565, CCIR656, YUV422/420, YCbCr422, and JPEG
compression*
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Standard M12 lens mount for lens interchangeability
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Ships with 10 cm cable and factory installed fixed-focus lens
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Small PCB size for flexible designs (4.0 cm x 2.5 cm)
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1×7 straight 100-mil header for access to auxiliary camera signals
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Works with Pcam compatible Digilent development boards
*Not all resolutions and output formats tested. See "Software Support" section for information on
supported modes
Software Support
Image sensor break-outs such as the Pcam 5C can only be controlled by an SoC with a MIPI CSI-2
controller in hardware and using them requires complicated software that properly configures the
controller and the sensor. When trying to implement a method of using such a break-out with an
FPGA host, there are two realistic options:
1. Pay a license fee to acquire MIPI CSI-2 IP that is designed to work in FPGAs. Typically this
will provide a very robust solution and good software support, including embedded Linux
drivers. The licensing fees are steep for these, and can be cost prohibitive to many. The
source code is also often encrypted, so it can not be studied for educational purposes.
2. Develop the hardware and software from scratch. This requires a large time investment from
someone with advanced skills. It also requires access to information that is not accessible to
most, including closed specifications and datasheets.
To solve this problem, Digilent has created a set of open source Vivado IP cores that work with the
Pcam 5C on FPGA and Zynq host boards. In order to achieve this in a practical manner, some short-
cuts have been taken that limit this IP from functioning as robustly as some of the licensed solutions
that are available. Also, the software paired with the IP does not currently take full advantage of all of
the OV5640's features, which has some affect on the produced image quality. Digilent will continue
to work to improve this IP, and encourages others to do the same by contributing to this open source
project.