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Altera_Forum's avatar
Altera_Forum
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9 years ago

Cyclone v HPS SDRAM PLL source

According to handbook, there are 3 plls inside HPS. And one of them is SDRAM PLL. SDRAM PLL source can be programmed to EOSC1, EOSC2 or f2h_reference_clk. But i could not find anywhere in Qsys to cha...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

You are right, it looks like there is no selection in the HPS Qsys component. Perhaps you should file a ticket to Altera to fix this :)

Currently it looks like user will need to modify the file pll_config.h in the hw/sw handoff folder