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mzzzzb
Joined: 20 Jul 2006
Posts: 11
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 14 Oct 2006 10:34 interfacing xsa-50 with sl811sh to implement a usb host |
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i want to interface cypress's sl811sh to a xsa-50 fpga board so that the combination can act as a usb host.
sl811sh can be used as a low/full speed host controller with one usb port, with 8 bit i/o which can interface to a microcontroller.
i need just need basic enumaration and handle bulk transfers.
any help is highly appreciated.
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Iouri
Joined: 17 Aug 2005
Posts: 687
Helped: 79
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16 Oct 2006 16:46 interfacing xsa-50 with sl811sh to implement a usb host |
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| first you need implimet CPU om FPGA, than interface your usb driver
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mzzzzb
Joined: 20 Jul 2006
Posts: 11
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18 Oct 2006 17:39 interfacing xsa-50 with sl811sh to implement a usb host |
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thank you for your reply.
i am not familiar/comfortable with any soft core processers, would you recommend a easy-to-learn-n-use 8/16 bit processor for me.
if it can be done, i would prefer to do it without a processor.
thx
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Iouri
Joined: 17 Aug 2005
Posts: 687
Helped: 79
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19 Oct 2006 16:48 interfacing xsa-50 with sl811sh to implement a usb host |
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I am not sure why do you want to interface USB device to FPGA, yo do the host function you need CPU.
Try altera NIOS?
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mzzzzb
Joined: 20 Jul 2006
Posts: 11
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22 Oct 2006 6:37 interfacing xsa-50 with sl811sh to implement a usb host |
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i am trying to interface a USB mass storage device, i don't need much functionality just need to read a few sectors from the device and place it in RAM, and probably display it on monitor.
and where can i get more information on NIOS, thx again
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