topic SPI CS and SCK wrong in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/SPI-CS-and-SCK-wrong/m-p/898087#M52935 <HTML><HEAD></HEAD><BODY><P><SPAN style="vertical-align: inherit;">In SPI, I think SCK work after CS has low vol. But in my test with MK10FN1M0VLQ12 to slave isl78600 , SCK always work after one CS finish.&nbsp; I don't know why.</SPAN></P><P><SPAN style="vertical-align: inherit;">I'm not sure if&nbsp;<SPAN style="color: #000000; background-color: #ffffff;">Oscilloscope set wrong or not. I think it is SPIclock problem, but I adjust many times, and always wrong.&nbsp; Could you help me to test it or give me some advice, let me know how to solve it? Thank you!</SPAN></SPAN></P></BODY></HTML> Wed, 01 May 2019 06:21:18 GMT dlysam2716 2019-05-01T06:21:18Z SPI CS and SCK wrong https://community.nxp.com/t5/Kinetis-Microcontrollers/SPI-CS-and-SCK-wrong/m-p/898087#M52935 <HTML><HEAD></HEAD><BODY><P><SPAN style="vertical-align: inherit;">In SPI, I think SCK work after CS has low vol. But in my test with MK10FN1M0VLQ12 to slave isl78600 , SCK always work after one CS finish.&nbsp; I don't know why.</SPAN></P><P><SPAN style="vertical-align: inherit;">I'm not sure if&nbsp;<SPAN style="color: #000000; background-color: #ffffff;">Oscilloscope set wrong or not. I think it is SPIclock problem, but I adjust many times, and always wrong.&nbsp; Could you help me to test it or give me some advice, let me know how to solve it? Thank you!</SPAN></SPAN></P></BODY></HTML> Wed, 01 May 2019 06:21:18 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/SPI-CS-and-SCK-wrong/m-p/898087#M52935 dlysam2716 2019-05-01T06:21:18Z Re: SPI CS and SCK wrong https://community.nxp.com/t5/Kinetis-Microcontrollers/SPI-CS-and-SCK-wrong/m-p/898088#M52936 <HTML><HEAD></HEAD><BODY><P>Dear Yu-Jung,</P><P></P><P>I will suggest to check in the following link, there's a package code of baremetal examples, check the dspi example, maybe you're missing some pin configuration:</P><P></P><P><A href="https://www.nxp.com/products/processors-and-microcontrollers/arm-based-processors-and-mcus/kinetis-cortex-m-mcus/k-seriesperformancem4/k1x-mainstream/kinetis-k10-120-mhz-mixed-signal-integration-microcontrollers-mcus-based-on-arm-cortex-m4-core:K10_120?tab=Design_Tools_Tab">https://www.nxp.com/products/processors-and-microcontrollers/arm-based-processors-and-mcus/kinetis-cortex-m-mcus/k-seriesperformancem4/k1x-mainstream/kinetis-k10-120-mhz-mixed-signal-integration-microcontrollers-mcus-based-on-arm-cortex-m4-core:K10_120?tab=Design_Tools_Tab</A></P><P></P><P>Best Regards,</P><P>Alexis Andalon</P></BODY></HTML> Mon, 06 May 2019 21:11:06 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/SPI-CS-and-SCK-wrong/m-p/898088#M52936 Alexis_A 2019-05-06T21:11:06Z