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Problem with PIC18F8722 in Debug mode!!!

 
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radian



Joined: 12 Jan 2004
Posts: 7

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Problem with PIC18F8722 in Debug mode!!!
PostPosted: Wed Jul 06, 2005 8:02 am     Reply with quote
I have a problem to run PIC18F8722 in Debug mode. It is not hardware problem because by now I use PIC18F8585 on the some board and everithing was ok. Now I have 2 boards with 18F8722 and 1 board with 18F8585. On board with 18F8585 everithing is all right, but on boards with 18F8722 processors don't have to work in debug mode.

Version of MPLAB IDE - 7.20

Version of firmware - 01.02.05.00

Bootloader version - 01.01.01.00



Do someone have an idea about my problem?
radian



Joined: 12 Jan 2004
Posts: 7

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When I switced off POWERUP Timer debugging works???!!!!!!
PostPosted: Wed Jul 06, 2005 9:07 am     Reply with quote
When I switced off POWERUP Timer debugging works???!!!!!!


Do someone have an idea about this?
ckielstra



Joined: 18 Mar 2004
Posts: 3680
Location: The Netherlands

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PostPosted: Wed Jul 06, 2005 9:07 am     Reply with quote
I remember a similar issue been posted about a month ago where the problem was solved by disabling the power-up timer.

For more hints, read http://www.ccsinfo.com/forum/viewtopic.php?t=22318
ckielstra



Joined: 18 Mar 2004
Posts: 3680
Location: The Netherlands

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PostPosted: Wed Jul 06, 2005 9:09 am     Reply with quote
You solved it the same minute I posted my reply. Cool
radian



Joined: 12 Jan 2004
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Thank you ckielstra!
PostPosted: Wed Jul 06, 2005 9:35 am     Reply with quote
Thank you ckielstra! I read the other post and this quote was very usefull:



Quote:
I then looked at the ICD2 Read Me on microchip.com.... and I found this:

Quote:

Quote:
- You may not be able to enter debug mode if power-up timer is
enabled for the following devices:
* PIC18F4620/4610/2620/2610
* PIC18F4680/2680/4681/2681
* PIC18F4550/2550/4455/2455
* PIC18F8490/8410/6490/6410/8390/8310/6390/6310

You'll notice the 18LF2520 is not in that list, but I figured, why not try turning that off? Sure enough, problem solved.



I don't worry any more about this problem. Thank you again!
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