USB Universal Floppy Disk controller

Joshua Boyd jdboyd at jdboyd.net
Sat Mar 12 15:13:17 CST 2005


On Fri, Mar 11, 2005 at 05:16:20PM +0000, Jules Richardson wrote:

> Well if worst-case is 1mbps data rate at 300rpm and 8x oversample, isn't
> that (8 * 10240 * 1024) / 5 = 1677722 bits of memory maximum needed?

<snip>

> Can static RAM can't cope with these kinds of speeds? Presumably cache
> chips pulled from old PC motherboards would cope happily, even if old
> 80's parts wouldn't.

Easily and cheaply gotten SRAM should easily be able to cope with speeds
like 1 megabit a second or even 1 megabyte a second or even 10 megabytes
a second, or even more.
 
> It's probably still beyond my abilities to design something that'd
> work :-)  But on the surface it doesn't sound *that* complicated for
> someone who's used to designing digital circuits.

But don't look at me.  I just look at designs, I don't really make them.
 
-- 
Joshua D. Boyd
jdboyd at jdboyd.net
http://www.jdboyd.net/
http://www.joshuaboyd.org/


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