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HLiu28's avatar
HLiu28
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7 years ago

About the Speed of SPI IP in Qsys in continually transmission

Hi, I am now working on the SPI in Qsys for a cyclone iv device, I found a problem for the SPI in ​continually transmission, here is the details. ->The SPI clock is set to 50MHz. ->The software is...
HLiu28's avatar
HLiu28
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7 years ago

@GNg​

Thank you very much.

It seems that the CPU takes a very long time to read the SPI register, (The clk of the system is 100MHz, about 10ns).

Will it better if I using a custom RTL and transfer data into it through the Avalon Memory Mapped Master?

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