| 术语 | multiplexer and bus interface |
| 释义 | multiplexer and bus interface 多路转换器和总线接口;［多工器和汇流排界面］ A typical data line multiplexer which transfers the bus address, word count, data, or the contents of the userdesigned command and status register to the bus. The multiplexer is generally controlled by the two least significant bits of the device address, which are decoded to select the appropriate information for transfer. Information can be strobed to the bus drivers when the device address is detected. Outputs of bus receivers are sometimes accessible at wirewrap posts for connection to the user's interface logic. 一种标准的数据链路多路转换器,将总线地址、字计数、数据或用户指定的命令和状态 寄存器的内容传送到总线。多路转换器一般由设备地址的两个最低有效位控制,通过将 这两位设备地址译码为传送选择合适的信息。当设备地址检出后,通过发选通脉冲可将 信息传到总线驱动器。通常可在为连接用户的接口逻辑的绕接端口上得到总线接收器的 输出。 |
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