利用msp430对pwm波的输出程序，很好，很实用，可以帮助初学者学会如何初始化pwm。,in order to output the pwm，we use the msp430 to receive that。

对于msp430f449各部分外设的初始化程序，需用到外设的程序都要进行这样的初始化。-Peripheral parts of the msp430f449 initialization procedure, the procedure should be required to conduct such peripheral initialization.

基于msp430的驱动程序，端口定义...初始化... 写入指令-Based on msp430 driver, port definition ... initialization ... write instruction .....