[Libdlo] libdlo dynamic modeset

Tim Green timothy.j.green at gmail.com
Sun Jun 14 23:13:30 PDT 2009


2009/6/15 Florian Echtler <floe at butterbrot.org>:
> many thanks, this is very interesting. Just out of curiosity, I have one
> question about this comment:
>
> * LFSR isn't actually in the mode registers for encryption purposes
> * (which is why it doesn't apply to all registers). It's actually
> * for convenience on the hardware side, as the registers are used as counters
>
> Can you explain a bit more what the connection between LFSRs and counters
> is in this case? I don't really get it at the moment..

http://en.wikipedia.org/wiki/Linear_feedback_shift_register

"LFSR counters have simpler feedback logic than natural binary
counters or Gray code counters, and therefore can operate at higher
clock rates."

Hope that helps,
Tim.


More information about the Libdlo mailing list