On Wed, 08 Jan 2014 11:21:28 +1000, you wrote: >I used one recently and only set the ANSEL and TRIS registers to get it=20 >working as output on RA2. >David... OPTION_REG - TMR0 clock source? I don't recall if this affects output mode --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .