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CCS / AM3354: Debug AM3354 with CCS9.3 :Breakpoint Manager: Breakpoint issue

Part Number: AM3354

Tool/software: Code Composer Studio

I use JTAG to test AM3354 and meet some problems.

My grogram named "Buzzer" comes from "StarterWare_02_00_01_01" . I connected the Target and load the GEL,then I load the program. the problem occured.

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CortxA8: Breakpoint Manager: Retrying with a AET breakpoint

CortxA8: Trouble Setting Breakpoint with the Action "Semi hosting" at 0x8000****: (Error -1066 @ 0x333C) Unable to set/clear requested breakpoint. Verify that the breakpoint address is in valid memory. (Emulation package 5.1.232.0)

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If I ignored the warning and reload the program.the program would run some lines just like normal, but finally stop with the following warning.

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CortxA8: Trouble Setting Breakpoint with the Action "Continue or Finish Stepping" at 0x80002d38: (Error -1066 @ 0x333C) Unable to set/clear requested breakpoint. Verify that the breakpoint address is in valid memory. (Emulation package 8.4.0.00006)

CortxA8: Breakpoint Manager: Retrying with a AET breakpoint

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What should I do to solve the problem?