How to configure startup167.a66

Hello all.

I'm using the phytec phyCORE-167 equipped with the infineon C167CR-LM mounted on a development board phyCORE HD200.
I developped an application to send CAN messages and it is working right on debug but when I download the application on flash, it doesn't work. I think it is a wrong startup167.a66 configuration since I receive a CAN message that contains only FF (it is like a variable doesn't never change).

Could anyone help me? What's the right option for External Memory in Target Options?
Must I set BUSCON=1 in startup file?

Thanks in advance,
Max

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