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CCS/EK-TM4C129EXL: Debug hangs when example starts with MAP_SysCtlClockFreqSet

Part Number: EK-TM4C129EXL

Tool/software: Code Composer Studio

On my LaunchPad EK-TMC129EXL, I can run the blinky example.

But any example that has this line at the beginning of main(): (E.g.: the Project0 and aes128_ecb_encrypt examples)

//
// Run from the PLL at 120 MHz.
//
ui32SysClock = MAP_SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ |
SYSCTL_OSC_MAIN |
SYSCTL_USE_PLL |
SYSCTL_CFG_VCO_480), 120000000);

hangs on that very line, and I need to reset the debugger then.

I'm using the examples loaded in CCS with Resource exlorer, from TM4C ARM® Cortex®-M4F MCU (2.1.4.178),  -> Development Tools -> EK-TM4C129EXL -> Examples

CCS10

TI Compiler ti-cgt-arm_20.2.1.LTS