topic Re: CLK OUT PIN in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/CLK-OUT-PIN/m-p/353639#M17580 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>Search in the Reference Manual for CLKOUT. The pin is PTC2 and the register to configure that pin is the SIM_SOPT2.</P><P></P><P>Regards,</P><P></P><P>Santiago</P></BODY></HTML> Thu, 26 Mar 2015 13:27:54 GMT santiago_gonzal 2015-03-26T13:27:54Z CLK OUT PIN https://community.nxp.com/t5/Kinetis-Microcontrollers/CLK-OUT-PIN/m-p/353638#M17579 <HTML><HEAD></HEAD><BODY><P>Hi all,</P><P>I use the FRDMK22FN512VLH12,i would like to measure the CLK out but i dont found in documentation one pin that via it i can affiche frequen cy in scope</P><P>can help me</P><P>Thank you</P></BODY></HTML> Thu, 26 Mar 2015 13:24:12 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/CLK-OUT-PIN/m-p/353638#M17579 nesrinemhiri 2015-03-26T13:24:12Z Re: CLK OUT PIN https://community.nxp.com/t5/Kinetis-Microcontrollers/CLK-OUT-PIN/m-p/353639#M17580 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>Search in the Reference Manual for CLKOUT. The pin is PTC2 and the register to configure that pin is the SIM_SOPT2.</P><P></P><P>Regards,</P><P></P><P>Santiago</P></BODY></HTML> Thu, 26 Mar 2015 13:27:54 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/CLK-OUT-PIN/m-p/353639#M17580 santiago_gonzal 2015-03-26T13:27:54Z Re: CLK  OUT PIN https://community.nxp.com/t5/Kinetis-Microcontrollers/CLK-OUT-PIN/m-p/353640#M17581 <HTML><HEAD></HEAD><BODY><P>i add this line:</P><P> #define SYSTEM_SIM_SOPT2_VALUE&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0x00010020U&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (clkout flash frequency)</P><P>,but i see anything in the scope!! should i configure the pin in other register ?</P></BODY></HTML> Thu, 26 Mar 2015 13:36:50 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/CLK-OUT-PIN/m-p/353640#M17581 nesrinemhiri 2015-03-26T13:36:50Z Re: CLK OUT PIN https://community.nxp.com/t5/Kinetis-Microcontrollers/CLK-OUT-PIN/m-p/353641#M17582 <HTML><HEAD></HEAD><BODY><P>Yes, you also need to configure the pin muxing.</P><P></P><P>Se this great post from Derek Snell:</P><P><A href="https://community.nxp.com/thread/306667">Verifying Internal Clocks in Kinetis</A></P><P></P><P>Regards,</P><P><BR />Santiago</P></BODY></HTML> Thu, 26 Mar 2015 13:52:11 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/CLK-OUT-PIN/m-p/353641#M17582 santiago_gonzal 2015-03-26T13:52:11Z