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Hi,
It would be good to get an idea of what data rate people are seeing with the FX3. To help with this I've created a list below
which arranges recorded data rates along with the user name. At the moment Chris_R is at the top, numero uno, on 320MBs while I am second / last on 127MBs - but I plan to improve. If you have carried out any bandwidth tests and would like to share the results please add your name to the list along with the data rate and direction.
Thanks
Chris_R 320MBs - IN
Sodafarl 127MBs - IN
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335 MB/s IN
280 MB/s OUT
175 MB/s LOOPBACK
32 Bit slave fifo, 100 MHz CLK, Queued transfer, 16 kB burst size
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For your information: The speed of 320MB/s upload I reached using 100MHz PCLK, 16 Packets per Burst, Auto DMA Mode, AMD mainboard with integrated PCIe 2.0 USB SuperSpeed Host (NEC) and Windows 7 x64 using WinUSB driver. Download speed war ~260MB/s.
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Please refer to the following application note to know the strategies for using FX3 controller to maximize USB 3.0 data transfer rate:
AN86947 - Optimizing USB 3.0 Throughput with EZ-USB® FX3™
Thanks,
Sai Krishna.