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Hi all,
Please refer to the new application note (http://www.cypress.com/?rID=84341) which provides details on how to get the optimum USB 3.0 throughput, changes required in the firmware and the factors affecting the throughput. Also find the attached firmware example codes which demonstrate the maximum throughput.
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Hello,
I need to stream 300+ MB/s from the fx3 itself to a Linux host with a Renesas controller. I don't need to stream any real data. Pushing all 0's or some other pattern is fine.
I had a couple of questions related to my use case:
1. Can the maximum rates mentioned in this article be achieved without attaching another device to the GPIF? ... just having the fx3 itself generate 300-400 MB/s.
2. The article mentions only being able to achieve 172,000 KB/s with Linux and Renesas. Which Linux kernel version was used for testing? Where is the transfer size limit of 800 KB defined in the kernel? Is there a reason why it's only 800 KB, or can it readily be increased without other side effects or complications?
thanks
Vicentiu
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Hi Vicentiu,
The answer to your first question is Yes.
I will check your second question with the author and update you.
Thanks,
sai krishna.