| 术语 | tristate |
| 释义 | tristate 三(状)态 Capable of assuming three different physical states. The term is commonly applied to an interface device in a microprocessor system that makes a connection to a multipurpose bus. Such a device can send and receive 1-bits and 0-bits and, when inactive, assume a high-impedance state that disconnects it from the bus (while transfers are taking place between other devices). 具有三个不同的物理状态。该术语通常用于微处理机系统与多用途母线连接的接口器件。这 样一个器件可以发送和接收“1”和“0”；在不发送和接收时，它处于高阻态，把它和母线 断开(此时，在其它设备之间可进行发送和接收)。 |
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