Please refer to http://www.ti.com/lit/ds/symlink/tpl0102-100.pdf p.16 (IDEAL RESISTANCE VALUES)
Resistance Formula:
RWL=Rtot*(D/256) ; RWH=Rtot*(1-(D/256))
When step=0, table shows RWL=100K, RWH=0 !!!!!!
I think that "RWL" and "RWH" should be changed, right ?!