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介绍了一种机床数控系统内部总线构成与接口电路 ,并讨论了内部总线上所传输数据信息的选择方法与数据分类传输 ,在接口电路中使用了双端口 RAM芯片以提高总线数据传输速度
An internal bus structure and interface circuit of CNC system are introduced. The selection method and data classification of data transmission on the internal bus are discussed. The dual port RAM chip is used in the interface circuit to increase the bus data transmission speed