Forum Discussion
EricOpitz
Occasional Contributor
1 month agoLWH2F Throughput
Dear all, I'm facing the issue that the throughput on the Agilex 5 LWH2F interface appears to be lower compared to Cyclone 5. - I have two custom boards, one is based on Cyclone 5, the other on Agi...
NDoe
New Contributor
1 month agoHi, we are also seeing similar issues with both the lwhps2fpga and hps2fpga interfaces.
The board is the Terasic DE25-Nano, the device is A5EB013BB23BE4SR1 with Quartus version 25.3.1 patch 1.02.
The bus cycle completes quickly in the time expected, but repeated bus cycles stall for a very long time between consecutive reads or consecutive writes. In my case I am seeing a delay of 400ns between cycle end and the next cycle start with all bus clocks connected to a single 100MHz source.
Best regards,
Nigel Doe