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

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=517

--- Comment #113 from Cole Poirier <colepoirier at gmail.com> ---
(In reply to Luke Kenneth Casson Leighton from comment #112)
> (In reply to Cole Poirier from comment #109)
> 
> > From this^
> 
> in answering thus, i assumed that you had in your mind the information that
> i had already given you, a couple of months ago, in an hour-long
> conversation.
> 
> can you please write out what i explained to you about why VREF exists
> (and if you cannot remember, do some research to look it up).
> 
> whilst it is much quicker for me to simply tell you the answer [like a
> trained keyboard-typing monkey], i would prefer that you learned to work
> things out by multi-chained logical deductive reasoning.

I would contend that my learning should take a back seat to actually getting a
working test setup before the tape-out deadline. We can return to teaching me
after we meet our *critical* deadline.

VREF is an accurate, constant, low-noise output voltage, that is used as the
reference for other electrical signals on a device.

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