时钟线 meaning in English

clock line

The data and clock lines are both open collector
数据和时钟线都是集电极开路的。
The host has ultimate control over the bus and may inhibit communication at any time by pulling the clock line low
主机对总线有最高的控制权，在任何时候通过将时钟线拉低就可以禁止通信。
When the keyboard or mouse wants to send information , it first checks the clock line to make sure it ' s at a high logic level
当键盘或者鼠标想发送数据时，它首先必须检查时钟线，确认它处于高电平。
In mass production items such as tv - sets , vcr ' s and audio equipment , this is not acceptable . in these appliances , every component that can be saved means increased profitability for the manufacturer and more affordable products for the end customer
而采用i ~ 2c总线仅用一条数据线( sda )加一条时钟线( scl )来完成数据的传输及外围器件的扩展，对于各节点的寻址是软寻址方式，节省了片选线。