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David_MD_KIM's avatar
David_MD_KIM
Icon for New Contributor rankNew Contributor
6 years ago

LVDS PIN define and ALT_input_diff error

I define IO PIN and I use ALT_INBUF_DIFF After compile error message as below; Error (275021): Illegal wire or bus name "CAM_CP(n)" of type pin How fix this problem? Thanks David
Vicky1's avatar
Vicky1
Icon for Regular Contributor rankRegular Contributor
6 years ago

Hi,

I am not clear whether you get this Error in rtl or after pin planner.

I would like to suggest you check the below details,

https://forums.intel.com/s/question/0D50P00003yyNpESAU/altinbufdiff-and-pin-planner

In pin planner, assign the pin only to the positive pin of a differential pair, (n) pin will get assigned automatically by tool.

Refer the 'Assigning Differential Pins 'from link below,

https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/hb/qts/qts_qii52013.pdf

Regards,

Vicky

David_MD_KIM's avatar
David_MD_KIM
Icon for New Contributor rankNew Contributor
6 years ago
Hi, Thanks for your email. However I try very simple case as attached. But It is same error result. Please advice . Thanks David