thanks everyoneExcellent work! Not only did you get your own problem resolved but others down the road who use that sim will benefit from your scholarship and perseverance.
Well done.
Could you send me this dll by email? Please?thanks everyone
here is the summary :
problem : Framing Error (FE0 flag of UCSR0A register) is not working in simulated model of AVR in Proteus 8.6 SP3 program
cause : there is a bug in AVR2.dll file
solution : new version (Ver: 8.3.24150.0) of AVR2.dll file must be obtained from https://support.labcenter.com
and replaced in C:\ProgramData\Labcenter Electronics\Proteus 8 Professional\MODELS