Quoting Andrew Warren <aiw@CYPRESS.COM>:

> Walter Banks <PICLIST@mitvma.mit.edu> wrote:
>
> > Most (if not all) WEB cams support low speed USB. My Canon S110
> > digital camera also works just fine on low speed USB.
>
> Walter:
>
> There are three USB speeds, with dumb names that are easily confused.
>
> "Low speed" is 1.5 megabits per second max, limited in most real
> applications to about 800 bytes per second.
>
> "Full speed" (which I expect is what you were thinking when you wrote
> "low speed") is 12 magabits per second, with a useful throughput of
> about 1 megabyte per second.
>
> "High speed" is 480 megabits per second, which works out to a max of
> about 53 megabytes per second in the real world.

Yeah, however this last one is only available on USB-2 devices.

> -Andy
>
> === Andrew Warren -- aiw@cypress.com
> === Principal Design Engineer
> === Cypress Semiconductor Corporation
> ===
> === Opinions expressed above do not
> === necessarily represent those of
> === Cypress Semiconductor Corporation
>
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