PSD4135G2在电参量数据采集系统中的应用

Application of PSD4135G2 to electrical parameter acquisition system

介绍最新一代可编程单片机外围器件PSD4135G2的性能特点及其接口编程技术,结合PSD4135G2在电参量数据采集系统中的应用实例,说明了PSD的硬件和软件设计方法。在设计中,需把CPU的数据/地址总线和控制线与PSD芯片正确连接,然后通过软件包PSDsoft进行PSD引脚配置和地址空间分配,最后把配置信息以系统内编程(ISP)方式下载到PSD芯片中。实践证明,采用PSD设计数据采集系统,可大幅度地简化CPU外围电路、降低装置成本、增强系统可靠性,与常规设计方法比较,具有较大的优越性。

The features and its interface programming technique of PSD4135G2, the uptodate programmableperipheral device, are introduced. Combined with an application of PSD4135G2 in electrical parameteracquisition system, the HW and SW design of PSD is detailed. In design, the data/address bus and control busof CPU should be properly connected with PSD chip. And the configuration information, such as pin assignmentand address allocation, is then customized by software package PSDsoft and downloaded to PSD chip by InSystem Programmable. Compared with traditional design method, the new one that employs PSD can simplify system hardware, reduce cost and improve reliability.Foundation project:Hunan's key project of electric power sience and technology(No.20003027&20013014).