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LM4F232 ICDI debugging

Hi

I have difficulty to use the LM4F232 with Stellaris ICDI. The IDE is KEIL uVision4. It has complained one of the following:

Load "C:\\TI\\EKLM4F232\\boards\\ek-lm4f232\\blinky\\rvmdk\\blinky.AXF"
Connecting: Mode=JTAG, Speed=1000000Hz
Connection failed!, error code=&d


Load "C:\\TI\\EKLM4F232\\boards\\ek-lm4f232\\blinky\\rvmdk\\blinky.AXF"
Connecting: Mode=SWD, Speed=1000000Hz
Connection failed!, error code=&d

Does that mean I have to use a JTAG cable to debug my code instead of Stellaris ICDI?

Here is the Debug tab:

Here is the Debug settings:

In the above figure, the mode has to two options: one is SWD and the other JTAG.

Thanks,

-Hailin