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TMS320F28377D: emulator debug issue

Part Number: TMS320F28377D


Hi

I am using F28377D processor with ccs8.  When I use XDS200 emulator to debug my program, it causes illegal instruction. But the processor runs fine without the emulator connected.

one strange thing is this:  I created an constant array of objects ( same structure). There are about 200 elements in the array.  If I comment out some arbitrary number of the elements, the problem will be gone. 

I looked at the map file. This constant array starts from 00093832 and takes 00000680 addresses. 

Any idea about this issue? Thank you very much !