For the CLKSEL pin of Cyclone V SoC devices, until what point in the boot sequence does the frequency setting selected by CSEL take effect?
SoC FPGAs
Category: SoCs
tool:-
Device: Cyclone® V
The CSEL setting is used by the software inside the Boot ROM.
The selected frequency setting is valid until the timing when the actual PLL setting is loaded by the Preloader from Boot ROM.
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