topic Re: Kinetis K64 Ref clock output in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/Kinetis-K64-Ref-clock-output/m-p/427133#M24668 <HTML><HEAD></HEAD><BODY><P>Thanks a lot Jorge</P><P></P><P>Regards</P><P>Eduard</P></BODY></HTML> Thu, 08 Oct 2015 06:14:03 GMT eduardrazumovsk 2015-10-08T06:14:03Z Kinetis K64 Ref clock output https://community.nxp.com/t5/Kinetis-Microcontrollers/Kinetis-K64-Ref-clock-output/m-p/427131#M24666 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>Can i output a 24MHz clock from the MCU to other IC ? if so, what are the restrictions ?</P><P>MK64FN1M0VDC12 is connected to USB HUB, i want to save the cost of 24MHz crystal required by the USB HUB</P><P></P><P>Best Regards</P></BODY></HTML> Thu, 01 Oct 2015 07:26:16 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Kinetis-K64-Ref-clock-output/m-p/427131#M24666 eduardrazumovsk 2015-10-01T07:26:16Z Re: Kinetis K64 Ref clock output https://community.nxp.com/t5/Kinetis-Microcontrollers/Kinetis-K64-Ref-clock-output/m-p/427132#M24667 <HTML><HEAD></HEAD><BODY><P>Hello Eduard Razumovsky:</P><P></P><P>It might be possible to use the FTM (FlexTimer) to get a 24 MHz clock. See these similar threads:</P><P></P><P><A href="https://community.nxp.com/message/530710">Re: Unable to get PWM to work with ext crystal-only configuration</A> </P><P><A href="https://community.nxp.com/message/533105">Re: What components do I need to output PWM using FTM module by Processor Expert ?</A> </P><P><A href="https://community.nxp.com/thread/358639">How could I output 50MHz square waveform by using FRDM-K64F?</A> </P><P></P><P>BUT, for a USB HUB this would be really not recommended. USB specifications and timings are very strict. So it should be of course better to use an oscillator or crystal.</P><P></P><P>Regards!</P><P>Jorge Gonzalez</P></BODY></HTML> Wed, 07 Oct 2015 04:40:29 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Kinetis-K64-Ref-clock-output/m-p/427132#M24667 Jorge_Gonzalez 2015-10-07T04:40:29Z Re: Kinetis K64 Ref clock output https://community.nxp.com/t5/Kinetis-Microcontrollers/Kinetis-K64-Ref-clock-output/m-p/427133#M24668 <HTML><HEAD></HEAD><BODY><P>Thanks a lot Jorge</P><P></P><P>Regards</P><P>Eduard</P></BODY></HTML> Thu, 08 Oct 2015 06:14:03 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Kinetis-K64-Ref-clock-output/m-p/427133#M24668 eduardrazumovsk 2015-10-08T06:14:03Z