On Fri, Jun 11, 2010 at 12:50 PM, Sarin Sukumar A wrote: > If you try with Pickit2 you might get good results... No, PICKit 2 does not support the OTP parts like 16C72A. PICkit 3 and MPLAB ICD 2 do not support OTP parts either. Last time when I worked with 16C72A, I was using Promate II. But PICStart+ and PM3 should work as well. -- Xiaofan http://mcuee.blogspot.com -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist