The Microchip Tips and Tricks (828_TIP.pdf) might be of help. This is from= =20 the Masters 2004 set of classes. There is another one with ADC addressed buttons, that I can't lay my hands= =20 on at this moment, but it is either Tips and Tricks for the 12F series or=20 the Nanowatt series (I think it is the latter). Colin -- cdb, colin@btech-online.co.uk on 27/09/2010 =20 Web presence: www.btech-online.co.uk =20 =20 Hosted by: www.1and1.co.uk/?k_id=3D7988359 =20 =20 =20 =20 --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .