I use EzPort programmer explained in AN4406. I could program small s19 files (less than 20K) but I have problem with larger files (100K). Is it fw limitation or something else?
I found that I had to decrease the reset pull up resistance to 4k7.
I am using the dediprog programmer in production.
I had so many problems when I first started.
I eventually figured out that 10K pull-ups are not quite strong enough.
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