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valemike
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| #fuses... |
 Posted: Tue Aug 31, 2004 9:28 am |
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With PIC18F2620, I get the warning in MPLAB:
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The extended CPU Mode Configuration Bit is enabled, but the program that was loaded was not built using extended CPU instructions.
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What does that mean? I want to use it as a normal microcontroller, since I ran out of space with the PIC18F252. I looked at the Fuses.txt file, and it does mention "CPU", "EMCU", but both of them give me an error when I try to compile, saying those settings are not recognized.
-Mike |
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PCM programmer
Joined: 06 Sep 2003
Posts: 21708
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| Posted: Tue Aug 31, 2004 1:16 pm |
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I don't have the latest version of PCH, so I can't check this, but you
should look at the top of the 18F2620.H file for the list of #fuse parameters.
Look for a fuse similar this: XINST
According to the data sheet, if the XINST bit is set (in register Config4L)
then the extended instruction set is enabled.
Alternatively, since you're using MPLAB (and, I assume ICD2) you
could disable the 'Extended Instruction Set' config bit there, before you
program your PIC. |
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