[Libre-soc-bugs] [Bug 517] Define JTAG pins and set up with litex for ulx3s85f

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Sat Apr 10 04:36:39 BST 2021


--- Comment #105 from Cole Poirier <colepoirier at gmail.com> ---
(In reply to Jacob Lifshay from comment #104)
> (In reply to Cole Poirier from comment #103)
> > Ok so no VCC but yes GND?
> yes. you nearly always need gnd for a return path for the current. if you
> don't have a return path right near the signal lines, it will totally mess
> up high speed signals, due to the extra inductance caused by the loop
> through the signal and off to a ground somewhere.

Right fixed this and updated the wiki page, luke can you please review it again
with the new updates?

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