After the stop bit is received , the device will acknowledge the received byte by bringing the data line low and generating one last clock pulse 只有当时钟线为低的时候,主机才可以改变数据线(也就是将数据写入到数据线) 。数据将在时钟为高电平的时候被设备读取。
Images from infrared , visible and water vapor channels of the gms are made available to workstations at the airport meteorological office through dedicated data lines 气象卫星地面接收系统将该卫星的红外光、可见光及水汽频道图像经专线传送至机场气象所的工作站。
Termination resistors should be placed only at the extreme ends of the data line , and no more than two terminations should be placed in any system that does not use repeaters 终端电阻只能安装在数据线的最末端,在没有使用中继器的系统中,不得使用两个以上的终端电阻。
The siemens mobile telephone with the gsm modem is controlled by the at command through the mobile telephone data line between the signal chip system and the serial interface of the mobile telephone 通过手机数据线连接单片机系统和手机串口,对西门子手机内置的modem进行指令控制。
Manufacturers will attempt to isolate their equipment from disturbances of a transient nature that may appear on the ac lines and data lines ( i / o ports ) , or on the building ground system 设备生产商总是试图把设备从可能出现在交流电源线和数据线( i / o口) ,或建筑接地系统中的电涌干扰中隔离开来。