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PostPosted: Tue Feb 24, 2009 9:22 pm 
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Joined: Tue Feb 24, 2009 9:19 pm
Posts: 1
Hi,
i was wondering what is the USB speed use in the yubikey
1.5Mb or faster.

Thank
Patgadget
Montreal


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PostPosted: Wed Feb 25, 2009 12:13 am 
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Joined: Wed May 28, 2008 7:04 pm
Posts: 263
Location: Yubico base camp in Sweden - Now in Palo Alto
The Yubikey is a low-speed USB periperhal, i.e. communication is at 1.5 Mbit/s.

For HID devices with a report size of just 8 bytes (like a keyboard), beefing up the speed does not make sense. The nice thing with USB low speed is the relaxed timing requirements that allows use of a low-frequency, an all-silicon oscillator circuit.

Regards,

JakobE
Hardware- and firmware guy @ Yubico


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