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Altera_Forum
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18 years ago

will Cyclone III work with unconected VCCA PLL ??

I actually made e board already and didn't connected thous VCCA PLL pins and now my board don't work (I can't program it and software all time is saying "can't access JTAG chain" is that because...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
18 years ago

Cool PCB design

I guess PLL power diff from Cyclone2 may solve some power issue in Cyclone3. So they div VCC to 2 or more.