PSD器件是美国WSI公司生产的一种系统可编程器件。
PSD device is a kind of system programmable device produced by the WSI Corp.
传统的数字系统通过设计线路板实现系统性能，而可编程器件是通过设计芯片内部的互联逻辑来实现系统功能。
The programmable digital devices implement the logical function by designed internal logic array block while the traditional digital systems do it by designed printed circuit block.
设计了一种交流电机控制系统用于水处理过程控制，采用数字信号处理器TMS320 LF 2407配合复杂可编程器件EPM 7256e构成主控系统，并对驱动模块进行设计。
The digital signal processor (DSP) TMS320LF2407 and the complex programmable logic device (CPLD) EPM7256E are used as the main control system and the drive module is also designed.
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