https://community.nxp.com/t5/Kinetis-Microcontrollers/MKV58-configuration-for-use-a-8MHZ-crystal/m-p/456011#M27180 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P>I replaced the MKV46 of a TWR-MKV46F board for a MKV58FN1M0VLL12 microcontroller. The demo software was developed to use with a TWR-MKV58F board that uses a 50MHZ oscillator as clock source. The TWR-MKV46F board uses a 8MHZ crystal as clock source.&nbsp; When it run a example code for the TWR-MKV58F board the processor gets stuck in the function CLOCK_HALL_GetFllSrc(MCG_Type *base).</P><P></P><P>How can I change the demo code to use a 8 MHZ crystal instead of a 50 MHZ oscillator?</P><P></P><P>Is there some application to configure the KV5x MCU clock?</P><P></P><P>Ari.</P></BODY></HTML> Tue, 01 Dec 2015 14:52:51 GMT arimendes 2015-12-01T14:52:51Z https://community.nxp.com/t5/Kinetis-Microcontrollers/MKV58-configuration-for-use-a-8MHZ-crystal/m-p/456011#M27180 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P>I replaced the MKV46 of a TWR-MKV46F board for a MKV58FN1M0VLL12 microcontroller. The demo software was developed to use with a TWR-MKV58F board that uses a 50MHZ oscillator as clock source. The TWR-MKV46F board uses a 8MHZ crystal as clock source.&nbsp; When it run a example code for the TWR-MKV58F board the processor gets stuck in the function CLOCK_HALL_GetFllSrc(MCG_Type *base).</P><P></P><P>How can I change the demo code to use a 8 MHZ crystal instead of a 50 MHZ oscillator?</P><P></P><P>Is there some application to configure the KV5x MCU clock?</P><P></P><P>Ari.</P></BODY></HTML> Tue, 01 Dec 2015 14:52:51 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/MKV58-configuration-for-use-a-8MHZ-crystal/m-p/456011#M27180 arimendes 2015-12-01T14:52:51Z https://community.nxp.com/t5/Kinetis-Microcontrollers/MKV58-configuration-for-use-a-8MHZ-crystal/m-p/456012#M27181 <HTML><HEAD></HEAD><BODY><P>Hi Ari,</P><P></P><P>Please download KSDK for KV4xF (TWR-KV46F150M board) software from <A href="http://www.nxp.com/products/software-and-tools/run-time-software/kinetis-software-and-tools/development-platforms-with-mbed/software-development-kit-for-kinetis-mcus:KINETIS-SDK?&amp;tab=Design_Tools_Tab#nogo">here </A>​.</P><P>It provides the MCG clock configuration at BOARD_ClockInit() function at &lt;board.c&gt; file.</P><P>Wish it helps.</P><P><BR />Have a great day,<BR />Ma Hui</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Tue, 08 Dec 2015 05:52:54 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/MKV58-configuration-for-use-a-8MHZ-crystal/m-p/456012#M27181 Hui_Ma 2015-12-08T05:52:54Z