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Hi Cypress Team,
The question is about the GPIF-to-USB Performance on an AUTO DMA Channel section in the AN86947 - Optimizing USB 3.0 Throughput with EZ-USB® FX3 document.
I found it very helpful to verify the transfer throughputs results from the different configurations. However, on my end, I'm currently working with a board that has a GPIF II 16-bits data and the results from the document are from a GPIF II 32-bits.
I was wondering if I can just use the results and divide them by 2 to adapt them to my 16-bits GPIF II.
Thank you
Keven
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USB Superspeed Peripherals
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Hi Keven,
Yes, you are right. You can just divide the throughput results by 2 and adapt them to 16 bits.
I tested the throughput of the GpifToUsb firmware example provided in the FX3 SDK with both 32 bits as well as 16 bits GPIF. I have attached the snippets of the host application displaying throughput.
16 bits GPIF 32 bits GPIF
Best Regards,
AliAsgar
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Hi Keven,
Yes, you are right. You can just divide the throughput results by 2 and adapt them to 16 bits.
I tested the throughput of the GpifToUsb firmware example provided in the FX3 SDK with both 32 bits as well as 16 bits GPIF. I have attached the snippets of the host application displaying throughput.
16 bits GPIF 32 bits GPIF
Best Regards,
AliAsgar
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Perfect! Thank you for the confirmation 😁