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The CS4954 is a long-obsolete NTSC/PAL Digital Video Encoder by Cirrus Logic. Despite being out of production, it is a nice chip, and is being used on the CLONE BUINO DUAL to drive the composite video output. CS4954 block diagram, courtesy of Cirrus Logic. Out of its many inputs and outputs, we only care about a few, highlighted in bold. Hello world? To get video output on the composite (CVBS) port with minimum effort, these are the steps to take: Apply power to the chip Provide 27MHz referenc...