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[Moved] ATMEGA128 USART and PC interface

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anhnha

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This is the circuit to interface between PC and atmega128. In this circuit I use max233 to convert signal from RS232 to TTL and vice versa. However when I use Hercules software to simulate COM port and send a massage to atmega128 but the massage when I connect virtual terminal isn't what I sent. I don't know why, hope anyone who has experience help me.
 

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Re: ATMEGA128 USART and PC interface

I would suggest you also post your code using CODE or SYNTAX tags so that we can examine it.

You might also upload your Proteus simulation file.

BigDog
 

Re: ATMEGA128 USART and PC interface

Thanks, I have just solve.
 
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Re: ATMEGA128 USART and PC interface

How do you solved it? You may want to share to us your problem so anyone else can use it as reference.
 

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