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  1. #1
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    Proteus: internal Exception: access Violation in module 'UNKNOWN'

    Hi All,
    I am new to using Proteus 8 Professional with Micro controllers.
    I have been tested it with PIC on my School PC and Everything went OK. I have been able to simulate LED Blinking with no problems.
    Click image for larger version. 

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    As I have mentioned I am NEW and I have just discovered the ability to simulate on a PC while attending the MCU Class.
    I have tried to do the same with ATMEGA328P on the same PC of which the PIC16F84A worked great on simulation and I am ABLE to make it work and simulate
    BUT when I press the STOP button I am getting an UNKNOWN error. It say
    Code:
     internal Exception: access Violation in module 'UNKNOWN' [61884420]
    I was wondering what is wrong and why it is NOT working with ATMEGA and Works with PIC?
    Any of you had the same issue like this?

    As far as I am able to get - it say Professional 8.8 SP1 (27031)
    Please assist.
    Thank you
    Last edited by andre_teprom; 14th July 2019 at 20:44. Reason: Title descriptive

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  2. #2
    Advanced Member level 4
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    kripacharya's Avatar
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    Re: New To Proteus 8 Professional with ATMEGA 328P

    You seem to have a single LED connected to 7 different I/o pins simultaneously. This is a strange setup.

    Please explain why this connection, and also post your code.



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  3. #3
    Advanced Member level 1
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    Re: Proteus: internal Exception: access Violation in module 'UNKNOWN'

    Does your school have a licence for the ATMEG CPU I am assuming that your school has a genuine version of Proteus.
    PIC and ATMEG CPU’s require different licenses which are very expensive.



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