The two pins of serial port 0 are P1.2 and P1.3代码：
#include ti/devices/msp432p4xx/driverlib/driverlib.h
uint8_t TXData = 1;
uint8_t RXData = 0;
/* UART Configuration Parameter. These are the configura...
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When burning the program, you mistakenly select "cold start" and the program can only be downloaded when P3.2/P3.3 is 0/0, but your own program outputs a high level.
You can short-circuit P3.2/P3.3, a...
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