Forum Discussion
ProgAddicted
New Contributor
1 year agoCyclone V GX and alt_iobuff_diff
I'm developing a LPDDR2 controller for Cyclone V GX Starter kit and i have problems with DQS differential bidirectional interface: using ALT_IOBUF_DIFF i get an error message "..Primitive ALT_IOBUFF_...
sstrell
Super Contributor
1 year agoYou probably should be using ALTDDIO: https://www.intel.com/content/www/us/en/docs/programmable/683148/17-0/double-data-rate-i-o-altddio-in-and-54289.html