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18f4523 fuses

 
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morebudwiser



Joined: 17 Oct 2005
Posts: 26

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18f4523 fuses
PostPosted: Tue Jun 10, 2008 5:19 am     Reply with quote
hi i have my test board built and tested using a pi16f877a. I now want to use a pic18f4523 but can not get it to run the same program that is running on the 16f877a i have changed the header file to suit the pic18f4523 but i am not sure if i have set all the fuses that are required to make it work. My problem is i have a 4x20 lcd connected to port d and all i am trying to do is get it to display hello world i am using compiler version 4.065. Here is the code I'm using. Many Thanks Andrew

Code:
#include <18F4523.h>
#fuses NOWDT,HS, NOPUT, NOPROTECT
#use delay(clock=20000000)
#include <LCD420_d.c>

void main()
   {
      lcd_init();
     
      while(1)
         {
            printf(lcd_putc,"Hello World");
         }
   }
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Tue Jun 10, 2008 11:34 am     Reply with quote
At a minimum, you need to add the NOLVP fuse. You need it with
the 16F877A too.
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