Input Glitch Filter in KEA-128?

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Input Glitch Filter in KEA-128?

310 Views
vigneshbalaji
Senior Contributor I

Hi,

    I wan to know about input glitch filter of KEA-128.

1) I want to filter out switch debouncing, Can I use Input Glitch Filter for it?

2)what is the maximum and minimum range in ms upto which Glitch filter can filter out?

Please provide relavent screenshots for the above questions.

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2 Replies

104 Views
Robin_Shen
NXP TechSupport
NXP TechSupport

Hi

Yes. You can use Input Glitch Filter for it.

The glitch width threshold can be adjusted easily by setting PORT_IOFLT0[FLTDIVn] between 1~4096 BUSCLKs (or 1~128 LPOCLKs).

The frequency of LPOCLK is 1KHz.

The BUSCLK depend on how you configure it.

Input glitch filter setting.png

Best Regards,

Robin

 

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104 Views
vigneshbalaji
Senior Contributor I

Hi Robin,

                Can you give me an example calculation for min and max range of filter time with BUSCLK 24 Mhz?

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