If I try to change frequency to 400 MHz then IDE show popup window: " Frequency searched for is out of range for this VOS range".
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d sub out of range 67.4 khz 60hz Windows 10 Problem Solve | How to fix out of range external monitor - YouTube
TMS320F280025: stop because the frequency is out of range - C2000 microcontrollers forum - C2000™︎ microcontrollers - TI E2E support forums
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