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originally posted by jakobjones@Jun 20 2006, 10:08 PM
are you crossing clock domains? running one component at 50mhz and another at 100mhz? if so this is going to kill your performance because the sopc builder has to instantiate clock synchronization logic. it takes several clock cycles to pass data through the clock arbitrators.
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No I'm running everything off the same clock. There is a 33Mhz clock coming from off-board but that's only used in some VHDL blocks, SOPC builder and the Nios processor never see that signal.
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