文档介绍：基于TMS320VC5402 DSP芯片的信号发生器的设计
摘要
信号发生器发展到今天,在电子测试、电子设计、模拟仿真、通信工程中,扮演着一个相当重要的角色,有着相当广泛的应用,极大加快了电子测试与设计工作中的效率,在电子技术和信号仿真应用中已发挥了巨大的作用。本文主要介绍了基于TMS320VC5402 DSP的信号发生器的设计情况。这是一个以DSP为核心来实现信号发生器的系统,该系统具有结构简单灵活,抗干扰能力强、产生频率较高、应用广泛等特点。
该系统的组成核心TMS320VC5402 DSP芯片是TI公司生产的16位定点处理芯片,它有运算速度快、具有可编程特性、接口灵活和外围电路丰富等特点。选择该芯片作为设计信号发生器的核心芯片,能够提高信号发生器所产生信号的频率,使信号发生器有更加广泛的应用。这个设计的硬件部分是有该DSP芯片和D/A转换芯片TLC7528组成,DSP芯片用于产生各种波形,D/A转换芯片用于把数字信号转换为模拟信号。在以上硬件的基础上,通过软件编程来实现锯齿波、三角波,方波、梯形波和正弦波等波形。
通过软件调试后,所要求的各种波形都能按要求实现。由于设计的时间短等原因,本次设计只是原理性的设计,要达到实用,还有许多的工作要做。由于经验不足,在设计中还有许多不足之处,需要进一步改进。
关键词:DSP, D/A转换器,信号发生器,波形
THE DESIGN OF THE SIGNAL GENERATOR
BASED ON TMS320C5402 DSP CMOS CHIP
ABSTRACT
Signal generator which is developed now is playing an important role in the electron test、electron design、simulate munication engineering and so on, signal generator is used prehensive and expedite the efficiency of the electron design and electron design,signal generator exert immense effect in the electron technology and the signal text mainly introduce the design of the signal generator based onTMS320VC5402 DSP CMOS chip. This is a signal generator system which is make DSP as its core ,this system with configuration simpleness agility, anti-jamming capability better, frequency higher, application abroad and so on.
The core of this system TMS320VC5402 DSP CMOS chip is made by pany which has 16 bit pointing dispose chip, it has operation rate high, having programme characteristic, interface agility and periphery circuit abundance characteristic. Choosing this chip as the core of the signal generator, it could enhance the frequency of the signal generator and make the signal generator used more widely. The hardware of this design is made by TMS320VC5402DSP C chip and D/A conversion chip chip produce waves and D/A conversion chip is used change digital signals to analog signals. Based on these hardware, we use software to carry out sawtooh wave, triangle wave, square wave, trapez