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Dear Manager,
I'm using Quartus Prime Lite Editon 18.0.0 version to develop MAX V CPLD.
I want set the un-used pin to weak pull-up.
Please let me know where can I find the "Quartus Prime Lite Edition - Setting File Reference Manual".
And please let me know how can I set weak pull-up.
In my tool, Pin properties setting tap has only bellow.
Reserved:
- As SignalProbe output
- As bidirectional
- As input tri-state
- As output driving VCC
- As output driving an unspcified signal
- As output driving ground
there is no : -As input tri-state with weak pull-up
Thank in advance.
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Sorry,
this should be a valid link. Copied from site search. Intel could spend quite a bit more effort to maintain website integrity. I'll post my latest copy, not necessarily current version.
Regards
Frank
P.S.: There's only one setting for unused pins. If you want other initialization of some pins, they must be defined as ports in your design top and assigned in pin planner to pin locations. Initialization of output to '1' can done in port definition, weak pull-up feature of input or tri-stated inout in pin planner or assignment editor.
Enlace copiado
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Hi,
the requested manual can be located on Intel FPGA web site, but I wonder what your problem is. I'm regularly setting default state of unused pins in Device and Pin Options, as seen below
.qsf setting is
set_global_assignment -name RESERVE_ALL_UNUSED_PINS "AS INPUT TRI-STATED WITH WEAK PULL-UP"
Regards
Frank
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Thanks frank.
It helped me a lot.
However, I can't download the PDF file from the link provided.
If you know of a site where I can download it, please let me know.
An additional question is,
I want to make some unused pins internally pull-up and the rest high output.
What should I do in this case?
Regrads
Daejin
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Sorry,
this should be a valid link. Copied from site search. Intel could spend quite a bit more effort to maintain website integrity. I'll post my latest copy, not necessarily current version.
Regards
Frank
P.S.: There's only one setting for unused pins. If you want other initialization of some pins, they must be defined as ports in your design top and assigned in pin planner to pin locations. Initialization of output to '1' can done in port definition, weak pull-up feature of input or tri-stated inout in pin planner or assignment editor.
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Dear Frank,
Thank you so much for your detailed and quick reply.
Have a Merry Christmas.
Regards
Daejin.
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I’m glad that your question has been addressed, I now transition this thread to community support. If you have a new question, Please login to ‘https://supporttickets.intel.com/s/?language=en_US’, view details of the desire request, and post a feed/response within the next 15 days to allow me to continue to support you. After 15 days, this thread will be transitioned to community support. The community users will be able to help you on your follow-up questions.

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