7i80-DB + 7I76 pinout confusing

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3 years 6 months ago #269615 by GDTH
Hello,

I have a 7i80-DB + 7i76, it is my first time working with these mesa boards, as I have worked with the 7C80 which is preconfigured.
The board is running fine, i am able to run the stepgens.
I have been usings other forum questions to figure this out.
7i80db_25_7i76x3.bit is installed.

What i find confusing is that some 7i80 hal files i have seen use the following for a ouput:
hm2_7i80.0.7i76.0.0.output-05
However linuxcnc errors when i use it, if i look in my halshow, it just gives me:
hm2_7i80.0.gpio.[0-67] some only contain input and some also an output

Although this might work, i am a bit confused on which pin is connected to the physical pin.
Also i feel like i am missing something, as everyone else uses the first option.
I appreciate all help.

Regards,

Andries
 

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3 years 6 months ago #269621 by GDTH
This is a bit silly, the reason why it was not showing is because the 7i76 did not have have power. I thought that the power from the host fpga was enough.

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3 years 6 months ago #269622 by tommylight
Field IO will not work without field power.
But not always, so boards will show the field IO as they do not require field power.

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