Jun 13, 2014
02:46 AM
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Jun 13, 2014
02:46 AM
Hello,
Has anyone here used LVDS on PSoC 5LP before? Or has anyone made something that could be used on PSoC 5LP to implement LVDS?
It'd be great to at least have some tips.
Thank you all,
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Jun 13, 2014
05:38 AM
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Jun 13, 2014
05:38 AM
LVDS is, as you know, a low voltage differential signaling layer. Generaly used at high
speed.
http://www.fairchildsemi.com/an/AN/AN-5017.pdf
You could facilitate a LV scheme using VDACs but the speed would be abhorrently
slow with poor skew and CM preformance.
Think about using external translator logic to implement the physical layer and SPI, then
maybe you could get SPI rates over the link. But nothing like the typical 100 mbit rates
one sees in LVDS.
Regards, Dana.