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Need help with #fuse statement

 
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Xavier
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Need help with #fuse statement
PostPosted: Fri Mar 21, 2003 3:19 am     Reply with quote

Hello,
I'm using MPLAB with ICD to programm my PIC16F877 and
CCS PCM V3.118
The pb is that with ICD option (under MPLAB) if I check "Configuration Bits" and then I programm my PIC all is fine.
But if I uncheck "Configuration Bits" it does'nt work !!!

This is a fuse statement problem ?

In MPLAB "ICD Option Configuration Bits" is :
Device : PIC16F877
Oscillator : HS
WatchDog Timer : Off/Disable
Power Up Timer : Off/Disable
Brown Out Detect : Off/Disable
Low voltage Programming : Disable
Code Protect Data EE. : code protection Off
Flash Memory Write : Memory written to by EECON
Code Protect : Code Protection Off

My fuse statement in my code is :
...
#include "16F877.h"
#fuses HS,NOWDT,NOPUT,NOBROWNOUT,NOLVP,WRT,NOCPD,NOPROTECT
...

What is #fuse staement for Memory written to by EECON ?

Any idea ?
Thanks in advance
Xavier
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Original Post ID: 12911
PCM programmer



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Re: Need help with #fuse statement
PostPosted: Fri Mar 21, 2003 12:00 pm     Reply with quote

I don't have ICD, so I can't help on configuration problems.
But, regarding your 2nd question:

Here is an online chart that shows the configuration bits
for the 16F87x PICs.
<a href="http://www.interq.or.jp/japan/se-inoue/e_pic7_6.htm" TARGET="_blank">http://www.interq.or.jp/japan/se-inoue/e_pic7_6.htm</a>
This same chart is in the data sheet, in the section
called "Special Features of the CPU", "Configuration Bits".

So the answer to your question is, it's the "WRT" fuse.
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This message was ported from CCS's old forum
Original Post ID: 12929
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