SPIS-MISO line

[Vybhav]

I have interfaced two Nordic nRF52840 boards with one as master an other as slave . 

In the image attached signals from down depicts Salve seelct,SCLk MOSI and MISO of Master respectively .

Similarly from top the image depicts MISO,MOSI,SCLK and Slave select of Slave respectively.

I have configured MISO line of salve as OUTPUT and sending "0x00" ,but there is a small glitch which is seen on the line which appears before the clock. 

Can anyone help me in analyzing this issue and fixing it?

Thank You

Vybhav

[Turbo J]

You may need a DSO for this kind of glitch analysis, as an LA won't show the actual wave form properly.

This could likely be the result of cross talk.

[Vybhav]

Thank you , i will look into and it get back.