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Can unused secondary clock s_clk[1..4] be unconnected or do I need to disable them by programming bridge registers?

April 26, 2017bridge clock disable Programming registers Secondary unconnected unused

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Can unused secondary clock s_clk[1..4] be unconnected or do I need to disable them by programming bridge registers?

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Tie one clock to S_CLKIN (pin 51). The other unused clocks can be unconnected.By default all the clocks are enabled; unused clocks can also be turned off at the Secondary Clock Control Register (configuration register offset 68h, bits 8:0).