topic Re: KV10 SPI MOSI/SOUT isn't working in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/KV10-SPI-MOSI-SOUT-isn-t-working/m-p/353878#M17599 <HTML><HEAD></HEAD><BODY><P>Hi Adam,</P><P>I've reviewed the MKV10Z32VFM7's reference manual today and I found that PTC6 is open drain pin.</P><P>I think it needs to add a external pull-up resistence to make the pin work as SPI_SOUT availably.</P><P>You can give a try.</P><P>I'm looking forward to your reply.<BR />Have a great day,<BR />Ping</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Wed, 08 Oct 2014 06:29:06 GMT jeremyzhou 2014-10-08T06:29:06Z KV10 SPI MOSI/SOUT isn't working https://community.nxp.com/t5/Kinetis-Microcontrollers/KV10-SPI-MOSI-SOUT-isn-t-working/m-p/353877#M17598 <HTML><HEAD></HEAD><BODY><DIV><P>Hello, I am trying to use the SPI0 peripheral in master mode on the MKV10Z32VFM7 (32-pin QFN) with the following mux: </P><P></P><P>PCS: pin 25, PTC4, mux 2 </P><P>SCK: pin 26, PTC5, mux 2 </P><P>SOUT: pin 27, PTC6, mux 2 </P><P>SIN: pin 28, PTC7, mux 2 </P><P></P><P>The pin mux values were taken from rev 3 of the Kinetis V Series datasheet. The peripheral fails to output data on the SOUT pin, though the PCS and SCK perform as expected. </P><P></P><P>External electrical connections to the SOUT pin have been verified on several boards and layouts. </P><P></P><P>The SPI configuration in firmware has been verified by assigning SOUT to pin 5 (PTE18, mux 2), which outputs the serial stream as expected. </P><P></P><P>Is it possible that the mux table listing in the datasheet for PTC6 is incorrect? Or perhaps, might there be an error in the silicon? </P><P></P><P>Any insight as to why the SOUT signal fails to output on pin27/PTC6 would be greatly appreciated! </P></DIV></BODY></HTML> Mon, 29 Sep 2014 12:23:16 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/KV10-SPI-MOSI-SOUT-isn-t-working/m-p/353877#M17598 awahab 2014-09-29T12:23:16Z Re: KV10 SPI MOSI/SOUT isn't working https://community.nxp.com/t5/Kinetis-Microcontrollers/KV10-SPI-MOSI-SOUT-isn-t-working/m-p/353878#M17599 <HTML><HEAD></HEAD><BODY><P>Hi Adam,</P><P>I've reviewed the MKV10Z32VFM7's reference manual today and I found that PTC6 is open drain pin.</P><P>I think it needs to add a external pull-up resistence to make the pin work as SPI_SOUT availably.</P><P>You can give a try.</P><P>I'm looking forward to your reply.<BR />Have a great day,<BR />Ping</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Wed, 08 Oct 2014 06:29:06 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/KV10-SPI-MOSI-SOUT-isn-t-working/m-p/353878#M17599 jeremyzhou 2014-10-08T06:29:06Z Re: KV10 SPI MOSI/SOUT isn't working https://community.nxp.com/t5/Kinetis-Microcontrollers/KV10-SPI-MOSI-SOUT-isn-t-working/m-p/353879#M17600 <HTML><HEAD></HEAD><BODY><P>Of course!&nbsp; I definitely missed that note in the reference manual.&nbsp; Adding a pull-up resistor resolved the issue.</P><P>Thank you!</P><P>Adam</P></BODY></HTML> Wed, 26 Nov 2014 16:13:02 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/KV10-SPI-MOSI-SOUT-isn-t-working/m-p/353879#M17600 awahab 2014-11-26T16:13:02Z Re: KV10 SPI MOSI/SOUT isn't working https://community.nxp.com/t5/Kinetis-Microcontrollers/KV10-SPI-MOSI-SOUT-isn-t-working/m-p/353880#M17601 <HTML><HEAD></HEAD><BODY><P>Hi Adam,</P><P>I'd glad to hear that you already fix the issue now.</P><P>If you have any further questions about it, please feel free to contact with me.<BR />Have a great day,<BR />Ping</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Thu, 27 Nov 2014 07:04:56 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/KV10-SPI-MOSI-SOUT-isn-t-working/m-p/353880#M17601 jeremyzhou 2014-11-27T07:04:56Z