Hi Vasile,

>value + 1/2 LSB, where value is an 8 bit unsigned integer

That term mostly used in the analog domain. If you have
a 0 - 10V range and 8 bit A/D or D/A, 1 LSB = (10-0)/256=39mV

1/2 LSB = (10-0)/512=19.5mV

Best regards
Les

--
http://www.piclist.com hint: The PICList is archived three different
ways.  See http://www.piclist.com/#archives for details.