说明：  阐述了基于TM S320VC5402DSP 实现信号发生器的设计原理和实现方法, 详细介绍了所设计的信号发生器的 硬件电路结构和程序设计流程图。
(TM S320VC5402DSP based on the signal generator to achieve the design principles and methods described in detail by the design of the hardware signal generator circuit structure and program design flow chart.)