[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 #10 from Cole Poirier <colepoirier at gmail.com> ---
(In reply to Luke Kenneth Casson Leighton from comment #9)
> (In reply to Cole Poirier from comment #8)
> 
> > I don't fully understand. How do I know which physical pin on the fpga pcb
> > to plug the jumper into/onto? Which pin number 0 thorugh 27 corresponds to
> > gpio_0? Or does it actually correspond to B11?
> 
> >     Subsignal("p", Pins("B11")),
> >     Subsignal("n", Pins("C11")),
> 
> gpio 0, p == B11.
> gpio 0, n == C11.

Which physical pin is B11? They aren't labelled that way, they are labelled 0
through 27, no letters.

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