释义 |
bus master 总线主控器;[汇流排主机] 1.A dynamic board that takes control of the bus by asserting address and control lines. Only one bus master may control the bus at any given moment. Examples of bus masters include single-board computers and direct memory access (DMA) controllers. 通过申请占用地址线和控制线,从而控制总线的一种动态插件。在任一时刻只能有一个 总线主控器,如单板机或直接存储器存取控制器。 2.The device controlling the current bus transactions in a system where the control of data transfers is shared between the CPU and associated peripheral devices. 在分享中央处理机和相关外围设备之间数据传送控制权的系统中,控制当前总线事务的 设备。 |