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Master Clock Mode: The CH7013A generates a clock signal (output at the P-OUT pin) which will be used by the VGA controller as a frequency reference. The VGA controller will then generate a clock signal which will be input via the XCLK input. This incoming signal will be used to latch (and de-multiplex, if required) incoming data. The XCLK input clock rate must match the input data rate, and the P-OUT clock can be requested to be lX, 2X or 3X the pixel data rate. As an alternative, the P-OUT clock signal can also be used as the input clock signal (connected directly to the XCLK input) to latch the incoming data. If this mode is used, the incoming data must meet setup and hold times with respect to the XCLK input (with the only internal adjustment being XCLK polarity).
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