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problem migrating from pic16 to pic18

 
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labou2311



Joined: 14 Mar 2007
Posts: 1
Location: chateauroux, france

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problem migrating from pic16 to pic18
PostPosted: Wed Mar 14, 2007 2:34 pm     Reply with quote
Question i have an application working with a pic16F876 and a graphic display 128x64. I'm trying to update the pic for pic18F252 (more ram ) , and it didn't work!! i have some errotic behaviour ( some time some data are displayed at the wrong place)
is this pic18 hardware really compatible with pic16? ido i need to adapt my program (fuses,..)?
the pic18 program has worked in simulation mode ( with proteus simulation)
it's also the first time i use the icd-U40. i found that the icd disturb my display ( with pic16 an pic18) , so i can't use the debugger

thank you for you help

labou
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Wed Mar 14, 2007 3:01 pm     Reply with quote
Quote:

I have an application working with a pic16F876 and a graphic display
128x64. I'm trying to update the pic for pic18F252 (more ram ), and
it didn't work

Here are some previous threads on this topic:
http://www.ccsinfo.com/forum/viewtopic.php?t=28953
http://www.ccsinfo.com/forum/viewtopic.php?t=29163
rnielsen



Joined: 23 Sep 2003
Posts: 852
Location: Utah

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PostPosted: Wed Mar 14, 2007 4:56 pm     Reply with quote
The F212 will have more(or just different) #FUSES that are available. You'll need to make sure the proper ones are used.

Are you defining any registers? You'll need to define them with the (new) proper addresses if you are.
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