Forum Discussion
Altera_Forum
Honored Contributor
Honored ContributorFT2232H in Sync FIFO Mode - TXE# stuck high
hi, I have a Moprh-IC-II board and I'm trying to communicate via USB with a FT2232H in Sync FIFO Mode and D2XX Drivers. I manage to have the 60MHz clock input (my main fpga clock) from the...
Altera_ForumHonored Contributor
Honored ContributorFor big transfer buffer size and data latency doesn't affect speed.
For small transfer I set latency to 1 ms and use SIWO. Key to improve performance is to make less bigger Write call to use less USB microframe. I reached 50 MB/S in read and 14 MB/S in read (see last image into http://electro-logic.blogspot.it/2014/02/fpga-comunicazione-ad-alta-velocita_16.html)
