印刷电路图 meaning in Chinese

printed circuit diagram

The hardware circuit boards are produced by a laser photoplotter according to the gerber files gererated from the schematic ( sch ) documents and the printed circuit board ( pcb ) documents . the cplds , programmed with the verilog hardware description language ( verilog hdl ) , were completed after four steps : design , simulation , synthesis and fit . the software is developed with c language using direct i / o to communicate with the device through the isa bus computer interface
其硬件电路由专业软件设计出原理图sch和印刷电路图pcb生成，再gerber文件，然后光绘而成， cpld芯片编程（采用硬件描述语言veriloghdl ）经过设计、模拟、装配、下载完成，高级软件编程采用c语言i / o方式利用isa总线接口与外设进行通信。