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数据处理与IO模块主要完成数据计算、模拟和数字信号的采集与处理等功能。给出一种通用的CPCI数据处理与IO模块的设计方案,模块采用满足CPCI总线规范的加固型设计,可以实现主控模块和外设模块的自适应转换。讨论了处理器功能电路设计、IO功能电路设计和通用CPCI接口设计,并针对模块功能设计进行验证。
Data processing and IO module to complete the main data computing, analog and digital signal acquisition and processing functions. A general design scheme of CPCI data processing and IO module is given. The module adopts the rugged design to meet the CPCI bus specification, which can realize the adaptive conversion of the main control module and the peripheral module. Processor functional circuit design, IO functional circuit design and general CPCI interface design are discussed, and the functional design of the module is verified.