摘要
介绍总线仲裁器8289在火控计算机中的工作方式及其优先级的控制。说明总线仲裁器根据其优先权的高低对处理机请求使用系统总线的情况进行裁决。
The operating mode and control of the priority of 8289 in fire control computer are introduced in this paper. The arbitration of system bus which is required by processor in terms of priority is concerned.
出处
《电子元器件应用》
2003年第6期13-15,共3页
Electronic Component & Device Applications