关于具备Tri-State (Enable/Disable)功能的晶体振荡器的解释说明

关于具备Tri-State (Enable/Disable)功能的晶体振荡器的解释说明

关于具备Tri-State (Enable/Disable)功能的晶体振荡器,晶诺威科技解释说明如下:

Tri-State (Enable/Disable)功能指的是晶体振荡器的三态(开/关)功能。

详解如下:

An oscillator with a Tri-State function allows the oscillator output to be switched on or off by means of simple logic control. The output pin of the oscillator is either at nominal frequency or at a high impedance state dependent upon the logic level on the Output Enable (OE) pin. Note that when an oscillator with enable/disable funtion implemented is in ‘disable’ (high impedance) mode, the internal oscillator circuit is still running, therefore power saving attributes are somewhat moderate in this mode.

关于具备Tri-State (Enable/Disable)功能的晶体振荡器的解释说明

具有三态功能的振荡器允许通过简单的逻辑控制打开或关闭晶体振荡器输出。晶体振荡器的输出引脚处于标称频率或高阻抗状态,具体取决于输出使能(OE)引脚上的逻辑电平。需要注意的是,当实现了启用/禁用功能的振荡器处于“禁用”(高阻抗)模式时,内部振荡器电路仍在运行,因此在此模式下省电属性适中。

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