可编程系统器件 meaning in English

programmable system device (psd)

There are some characteristic compared with existing gamma - ray data acquisition system : ( 1 ) a mcu + psd two chips embedded system is used to control the whole system . also we use the psd to realize isp ( in - system programmabillity ) . the design is simple and easy to fulfill
与国内外现有伽玛谱数据采集系统相比，本论文具有以下特色和创新： ( 1 )控制电路采用了hcu + psd (可编程系统器件)组成的嵌入式单片机系统，简化了设计，实现了isp (在系统可编程) 。