Can ICSP be done on the PIC16F628 ? Mmmmmm better the bootloader, right? Best regards. Mauricio D. Jancic Janso Desarrollos - Microchip Consultant www.janso.com.ar info@janso.com.ar (54) - 11 - 4542 - 3519 Lugones 3238 "B" - C1430ECN Capital Federal Republica Argentina (54) - 11 - 4542 - 3519 MSN: jansodesarrollos@hotmail.com -- Outgoing mail is certified Virus Free. Checked by AVG Anti-Virus (http://www.grisoft.com). Version: 7.0.197 / Virus Database: 261.2.0 - Release Date: 18/11/2003 -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics