TMS320 VC5402与PC机串行通信的实现

Realization of serial communication between TMS320VC5402 and PC

DSP具有高性能的数字信号处理能力,利用TI公司的异步通信芯片TL16C550来扩展串口,实现DSP与PC机之间的高速串行通信,能够满足通信系统实时性高的要求.介绍了TL16C550的性能及相关寄存器,给出了TMS320VC5402与PC机串行通信的硬件电路以及初始化TL16C550的软件编程方法.

TL16C550 is the universal asynchronous communications chip.With TL16C550,highspeed serial communication between DSP and PC can be completed,which can meet the requirements of realtime processing in communication system.The paper introduced pins and related registers of TL16C550 simply,and provided the hardware circuit between TMS320VC5402 and TL16C550 and the initialization routine for TL16C550 in detail.