-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Tue, Jun 12, 2007 at 06:29:33PM +0200, Jan-Erik Soderholm wrote: > B.t.w, are you using "internal-MCLR" ? > Or how can the application interfere with the > programming ? Normaly (with "normal" internal MCLR) > the processor is held in reset-state until > Vpp is applied, so the code never runs... You guessed it, MCLR is disabled, so the programmer can't put the device into reset... You would have though 13.5V on the reset line would have done the job, but I guess not. - -- http://petertodd.org -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) iD8DBQFGcGLF3bMhDbI9xWQRAuIdAJ9tFo/CiaDezfQctUsDxM1odkN5YQCfQyaM xBhvN+XFk9yXh25eRA2pR2c= =4rEv -----END PGP SIGNATURE----- -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist