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'[PIC]: ICD no longer writes to internal EEPROM - S'
2001\01\04@073337 by ranma

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Hi again,

I have solved my problem with suddenly not being able to program the EEPROM
in my 16F877 with the ICD. It seems that firmware v2.30 that comes with
MPLAB 5.20 is broken. Actually MPLAB 5.XX has the EEPROM functionality
broken in a number of ways. Now you can't see data that is changing inside
the chip, just what is in the buffer to be written to the chip.

I used to be able to single step through a small routine to clear the
internal EEPROM and watch it do exactly that from the EEPROM window of
MPLAB. That no longer works at all.

To make it worse I recently upgraded the firmware in my ICD to v2.30 and had
not noticed that it no longer writes to the EEPROM at all. Of course you
wouldn't know unless you specifically do a verify, or like me, stumble onto
it when your program crashes.

It also seems to no longer be able to clear the EEPROM when you ask it to
during a program cycle.

Anyway, either my ICD is shot to hell, or (more likely) some weird crap has
gone wrong with MPLAB 5.XX and the EEPROM functionality lately.

Please someone prove me wrong before I start flaming Microchip... :-)

David

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