SCI on MC9S12XEQ512 not working without PE micro BDM cable and Hiwave

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SCI on MC9S12XEQ512 not working without PE micro BDM cable and Hiwave

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dakotabassett
Contributor I

I have encountered a problem while trying to test and SCI module on my micro. It works fine with the BDM cable attached and Hiwave running, it requires both to function. As soon as I disconnect the BDM cable or close hiwave the SCI immediately stops transmitting. I am transmitting from SCI0 to SCI1 every 20 milliseconds.

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dakotabassett
Contributor I

Is there any relationship between the two that I am not understanding?

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iggi
NXP Employee
NXP Employee

Hi,

see answer to the following topic, it is very much the same as to this one:

https://community.freescale.com/thread/352246

Regards,

iggi

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