EHCI vs OHCI/UHCI (USB)

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popo

Member
Jan 2, 2002
46
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Hi all,

Can anyone tell me the main dfference between the EHCI standard and OHCI/UHCI standard.

Thanks

- Alex
 
A

AndyHui

Administrator Emeritus<br>Elite Member<br>AT FAQ M
Oct 9, 1999
13,141
16
81
EHCI = USB2.0, supporting speeds up to 480 Mb/s

OHCI/UHCI = USB1.1, the slower standard.
 
P

popo

Member
Jan 2, 2002
46
0
0
Thanks!

Does that mean it is incorect to say that USB 2.0 devs use the OHCI/UHCI standard ?

- Alex
 
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