Forum Discussion
REics
New Contributor
6 years agoWhat happens when I/O is configured as BLVDS but VCCIO pin is fed by 3.3V?
I have a design (already mass produced) where the VCCIO is fed with 3.3V, but I/Os on it are configured as BLVDS. What happens? Does it damage the device? Does it just create an out of spec BLVDS ...
YuanLi_S_Intel
Regular Contributor
6 years agoThe problem would be damage to I/O buffer. If it is exceeding the absolute maximum rating of VCCIO.
https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/hb/cyclone-iv/cyiv-53001.pdf (Page 2)