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USB Superspeed Peripherals

Anonymous
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Hi,

   

is it possible to configure GPIF bus width 32 bit in the IOMatrix and then use just 8bit data width in GPIF interface?

   

Or do I have to reconfigure the IO matrix to 16 bit mode?

   

thanks,

   

lumpi

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Anonymous
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I got it ;-).

   

That is working fine if GPIF is in 8bit mode and IOMatrix is configured to 32bit mode.

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Anonymous
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 Cool 

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Anonymous
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Hi Lumpi,

   

Yes. It works.

   

The only difference would be that you will loose SPI interface when you configure the IO matrix to 32-bit instead of 16-bit. It does not make any difference if you are not using SPI in your design.

   

Thanks,

   

sai krishna.

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Anonymous
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Hi sai krishna,

   

thank you very much for your answer. That is clear to me with the SPI interface, i am actually just trying and playing with the supported examples from cypress in the SDK.

   

Thanks,

   

lumpi

   

.

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