> >Sorry Dale, it's bass-ackwards. Your description is perfect but your >diagrams are muxed ip. Swap GND and +V and it's right. Good >effort though for a long day. Just to make sure: > >Sinking current is when you connect one end of your load to +V >and the PIC pulls the other end to ground (current flows into PIC). > >Sourcing current is when you connect one end of your load to GND >and the PIC drives the other end to +Vdd (current flows out of PIC). And, that it can source/sink this while maintaining a legal logic one or zero respectively. The source/sink values are not the maximum current limits.