The passive serial configuration of FPGA is controlled by CPLD. EPROM is selected to store the configuration program. It can improve encryption of the CNC system, and simplify the circuit.
该方法由CPLD控制配置过程，EPROM存储配置文件，实现了FPGA的被动串行配置，增强了数控系统的保密性、简化了系统电路。
The passive serial configuration of FPGA is controlled by CPLD. EPROM is selected to store the configuration program. It can improve encryption of the CNC system, and simplify the circuit.
该方法由CPLD控制配置过程，EPROM存储配置文件，实现了FPGA的被动串行配置，增强了数控系统的保密性、简化了系统电路。
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