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on7tim7

USA
2 Posts
Posted - 10/25/2009 :  15:24:50  Show Profile
I have a serial enhanced JDM programmer and today I try to use the ICSP connector on my new project. I am using a 16F88 pic with ICprog software and with the five ICSP cables connected to it’s respective pins I can program the pic perfectly but I can’t read it. Once I try to read it the pic gets erased. Please advice.
Edited by - on7tim7 on 10/25/2009 15:27:44
Reply #1

ZLM

2945 Posts
Posted - 10/27/2009 :  16:19:03  Show Profile
The chip code protect bit is enalbed.
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Reply #2

on7tim7

USA
2 Posts
Posted - 10/27/2009 :  18:16:20  Show Profile
Thank you ZLM for your interest but no, the chip code protect bit is off. As a matter of fact, I can read, erase and re-program the chip on the zif socket but not when I connected it thought the ICSP. I have checked the voltages in every pin while reading or programming and they are good. I have also another very simple programmer with ICSP connector and it’s the one I am using now with the same pic. Please, help.
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