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How to shorten the gap between ecspi byte transfer

Question asked by Steven Yu on Dec 12, 2018
Latest reply on Dec 13, 2018 by igorpadykov

Hi all,

 

We use ecspi to transfer data traffic, however, the throughput is only 3.5Mbps RX, 4.2Mbps TX. It looks like the RX path has some problem, so we use oscilloscope to check and found the gap between SPI byte transfer is a little big (~361) compared to other CPU (Raspberry3 : ~94). Do you know how to configure the gap between each byte transfer?

 

The SPI speed is configured to 19000000, and each byte transfer in proper speed, only the gap is a little big. 

 

Thanks.

 

Regards,

Steven Yu

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