How to simulate 8255 in proteus?

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dnlily2002

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Hi all:
I have a problem. I'm studying the MCU with the proteus and keil recently. Now I want to use the 8255 to extend the 8051's I/O, but I find the 8255 can't be active. What should I do? If I need a 8255's mdf file?


Please give me a reply!

Regards!

dnlily2002
 

I say clearly!

sorry, I maybe haven't express clearly! I mean the 8255 can't be simulate in proteus! Who can help me?

Thanks a lot!

dnlily2002
 

YOU need 8255's mdf file.
search the elektroda,you can find it
 

If You have V6 Proteus,you can find a *.dll file in models directory to run
simulations with 82XX without problems.
 

the 8255 runs fine in proteus vsm latest avalible

if you have a problem running it

be more specific of the nature of your problem

dont just reitterate yourself
giving minimal information in a demanding style
 

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