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I am having the same trouble.
Do I configure my interrupt for SCI1 or do I just change the vector call from $3E56 to $3E54?

Thanks
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>Hi everyone,
>I'm using an HCS12 microprocessor [MC9S12DP256] with a D-Bug12 V 4,
>and I tried to use the SCI interrupt, but for some reason the
>interrupt handler never been called even though I enabled all SCI
>interrupts, enabled reciever and transmitter, and I used the vector
>address $3E56 to point to the interrupt service routine. I really
>have to use interrupt for my project. If you can help me solving
>this problem, I'll appreciate that.
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>Thanks in advance ...
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