基于TMS320VC5509A的多路同步数据采集与存储系统

A multi-channel synchronous data-acquisition and storage system based on TMS320VC5509A

TMS320VC5509A是TI推出的新一代高性能、低功耗数字信号处理芯片,并扩充了当今流行的USB设备接口模块。系统以TMS320VC5509A为核心处理器,CPLD为系统控制译码芯片提出了一种多路A/D数据采集与存储系统的设计方案。充分利用TMS320VC5509A内置的USB接口,构成一个数字采集处理和USB传输系统。简要介绍了系统的部分硬件和软件的设计,并分析了TMS320VC5509A USB接口模块的结构,给出了USB设备固件的设计和实现方案。

TMS320VC5509A is a high-performance, low-power, fixed-point TMS320C55x（tm） Digital Signal Processor with USB interface module. The chip of TMS320VC5509A and CPLD are used as the control and processing core of the multi-channel synchronous data collection and storage system. The USB module of the TMS320VC5509A is used to build up a data acquisition and USB data transfer system. It also introduces the software and hardware design of the system, analyzes the architecture of TMS320VC5509A USB module, and introduce a firm ware design based on TMS320VC5509A.