| 术语 | bus priority structure |
| 释义 | bus priority structure 总线优先结构;［汇流排优先结构］ A bus structure to determine which device gets control of the bus. Every device on the bus that is capable of becoming a bus master is assigned a priority according to its position along the bus. When two devices that are capable of becoming a bus master request use of the bus simultaneously, the device with the higher priority position will receive control. 确定某一设备取得总线控制权的一种总线结构。所有可能成为总线主控器的设备,按其 在总线上的不同位置,都赋有不同的优先级。当两个可能成为总线主控器的设备同时申请占 用总线时,具有较高优先级的设备将取得总线的控制权。 |
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