Other Parts Discussed in Thread: SEGGER
Question:
（1）TMS470R1B1M microcontroller is stuck in the Busy interface during the program debugging, and the program cannot be downloaded. At present, two single-chip computers have the same problem. At first, the single-chip computer program can be downloaded, after a period of use, the program can't be downloaded.
Phenomenon:
the working voltage and current of the circuit board are normal, the output signal of the crystal oscillator is normal, and the two reset pins are normal, but the program cannot be downloaded.
（2）With SEGGER J-Flash connection, prompt:
Could not detect CPU clock speed.Readback of test code download into RAM failed.
Failed to measure CPU clock frequency
Failed to connect
