K64P144芯片可以检测的外部输入方波频率最大是多少?

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K64P144芯片可以检测的外部输入方波频率最大是多少?

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lwwl
Contributor II

主芯片是k64p144,现在想检测外部输入方波频率,通过GPIO引脚下降沿捕获外部中断的方式实现。请问如果外部方波频率为500KHZ,这种方式可以实现吗?系统可以支持工作吗?如果不能,那么系统支持最大输入频率是多少?谢谢。

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Robin_Shen
NXP TechSupport
NXP TechSupport

Hi l w,

I will reply your question in frequency detection.

Best Regards,

Robin

 

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Robin_Shen
NXP TechSupport
NXP TechSupport

Hi l w,

I will reply your question in frequency detection.

Best Regards,

Robin

 

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Note: If this post answers your question, please click the Correct Answer button. Thank you!
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