Introduction - If you have any usage issues, please Google them yourself
MSP430F149 chip through the serial port to communicate with the computer, baud rate 9600 data, no parity. 32.768k crystal oscillator, P3.6 and P3.7 port as send and receive ports use asynchronous communication USART1, the query form. Achieve communication, when the microcontroller receives the start of the string to the W end of S microcontroller will be the middle of the data is assigned to port P4.