https://community.nxp.com/t5/S32K/SPI-Unexpected-data-bits-seen/m-p/2117974#M49988 <P>Using S32K312 EVB as master, I’m sending commands with a register address and certain data configured for the Slave.</P><P>A snippet of the CS(yellow), CLK(blue), MOSI(pink), MISO(green) is below.</P><P>The MOSI(Pink) in the picture is Reg addr 07h, &nbsp;Data is 20h (32 dec)</P><P>I don’t understand the other pulse when the CS is high, can you let me know what it could be? I just want to confirm if everything looks okay on the scope snippet I sent or if I should be configuring anything on the S32CT.</P><P>I have used an SPI example with LPSPI2 as Master.</P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="schitta_0-1750182670588.jpeg" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/343400i255DA784C100A44C/image-size/medium?v=v2&amp;px=400" role="button" title="schitta_0-1750182670588.jpeg" alt="schitta_0-1750182670588.jpeg" /></span></P><P>&nbsp;</P><P>MISO(green) - no response currently seen from the Slave<BR /><BR /></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="schitta_1-1750182670612.jpeg" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/343399iE1E85650E444F7CD/image-size/medium?v=v2&amp;px=400" role="button" title="schitta_1-1750182670612.jpeg" alt="schitta_1-1750182670612.jpeg" /></span></P><P>&nbsp;</P><P>&nbsp;</P> Tue, 17 Jun 2025 17:54:12 GMT beginner100 2025-06-17T17:54:12Z https://community.nxp.com/t5/S32K/SPI-Unexpected-data-bits-seen/m-p/2117974#M49988 <P>Using S32K312 EVB as master, I’m sending commands with a register address and certain data configured for the Slave.</P><P>A snippet of the CS(yellow), CLK(blue), MOSI(pink), MISO(green) is below.</P><P>The MOSI(Pink) in the picture is Reg addr 07h, &nbsp;Data is 20h (32 dec)</P><P>I don’t understand the other pulse when the CS is high, can you let me know what it could be? I just want to confirm if everything looks okay on the scope snippet I sent or if I should be configuring anything on the S32CT.</P><P>I have used an SPI example with LPSPI2 as Master.</P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="schitta_0-1750182670588.jpeg" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/343400i255DA784C100A44C/image-size/medium?v=v2&amp;px=400" role="button" title="schitta_0-1750182670588.jpeg" alt="schitta_0-1750182670588.jpeg" /></span></P><P>&nbsp;</P><P>MISO(green) - no response currently seen from the Slave<BR /><BR /></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="schitta_1-1750182670612.jpeg" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/343399iE1E85650E444F7CD/image-size/medium?v=v2&amp;px=400" role="button" title="schitta_1-1750182670612.jpeg" alt="schitta_1-1750182670612.jpeg" /></span></P><P>&nbsp;</P><P>&nbsp;</P> Tue, 17 Jun 2025 17:54:12 GMT https://community.nxp.com/t5/S32K/SPI-Unexpected-data-bits-seen/m-p/2117974#M49988 beginner100 2025-06-17T17:54:12Z https://community.nxp.com/t5/S32K/SPI-Unexpected-data-bits-seen/m-p/2118342#M50011 <P>Hi&nbsp;<a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/251278">@beginner100</a>,</P> <P>This is answered in this thread:</P> <P><A href="https://community.nxp.com/t5/S32K/Unwanted-pulse-on-S32K3-SPI-MOSI-output/td-p/1790479" target="_blank">https://community.nxp.com/t5/S32K/Unwanted-pulse-on-S32K3-SPI-MOSI-output/td-p/1790479</A></P> <P>&nbsp;</P> <P>BR, Daniel</P> Wed, 18 Jun 2025 07:47:28 GMT https://community.nxp.com/t5/S32K/SPI-Unexpected-data-bits-seen/m-p/2118342#M50011 danielmartynek 2025-06-18T07:47:28Z