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PCH #fuses vs. MPLAB Configuration Bits

 
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object01



Joined: 13 May 2004
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PCH #fuses vs. MPLAB Configuration Bits
PostPosted: Mon Aug 16, 2004 11:29 am     Reply with quote
I just used a Microchip ICD2 to program a chip with a program I wrote and compiled in PCW. The C source has a #fuses directive, but I started wondering: does the #fuses directive have any effect on the program at all if I program the device using MPLAB? Or, does MPLAB's "Configuration Bits" dialog take care of that? That is, is the #fuses directive purely a CCS ICD construct?

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Jeff S.
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Joined: 06 Sep 2003
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PostPosted: Mon Aug 16, 2004 11:47 am     Reply with quote
Quote:
Does the #fuses directive have any effect on the program at all if
I program the device using MPLAB? Or, does MPLAB's "Configuration
Bits" dialog take care of that ? That is, is the #fuses directive purely a
CCS ICD construct?

The compiler puts the settings in #fuses statement into the config word
section of the HEX file, when you compile your source program.
When you use MPLAB to program a PIC, it reads the config bit settings
from the HEX file and loads them into the "Configuration Bits" dialog.
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