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Message
From: Rudolf Usselmann <rudi@a...>
Date: 17 Dec 2002 16:49:27 +0700
Subject: Re: [usb] dout of usb 1.1 function core
On Tue, 2002-12-17 at 19:10, mdennis97@h... wrote:
>
> Thank you very much,rudi.
>
> I find an interesting thing.In the function 2.0 core,you use SSRAM to
> buffer the input and output data.In the 1.1 core,however,FIFO
> instead.Why?
Because of the higher bandwidth of USB 2.0 I am supporting double
buffering and DMA transfers in the 2.0 core. For 1.1 simplicity was
the main goal.
Cheers,
rudi
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