topic How to determine/confirm Cortex-M CPU speed using Serial Wire Viewer ! in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/How-to-determine-confirm-Cortex-M-CPU-speed-using-Serial-Wire/m-p/662170#M40647 <HTML><HEAD></HEAD><BODY><P>Hello</P><P>I devised an easy way to determine the CPU speed using ARM Serial Wire Viewer.</P><P>This works with any Kinetis or LPC Cortex-M3, M4 or M7.&nbsp; Assume also Cortex-M23 or 33.&nbsp; No Cortex-M0 (has no SWV)</P><P>I posted it here:&nbsp; <A class="link-titled" href="http://www.keil.com/appnotes/docs/apnt_297.asp" title="http://www.keil.com/appnotes/docs/apnt_297.asp">Application Note 297: Using Serial Wire Viewer to Confirm CPU Speed</A>&nbsp;</P><P>This uses eval version of Keil MDK and any ULINK or a Segger J-Link.</P><P>Tanks</P><P>Bob&nbsp; Boys</P><P>ARM</P></BODY></HTML> Mon, 10 Apr 2017 17:37:05 GMT robertboys 2017-04-10T17:37:05Z How to determine/confirm Cortex-M CPU speed using Serial Wire Viewer ! https://community.nxp.com/t5/Kinetis-Microcontrollers/How-to-determine-confirm-Cortex-M-CPU-speed-using-Serial-Wire/m-p/662170#M40647 <HTML><HEAD></HEAD><BODY><P>Hello</P><P>I devised an easy way to determine the CPU speed using ARM Serial Wire Viewer.</P><P>This works with any Kinetis or LPC Cortex-M3, M4 or M7.&nbsp; Assume also Cortex-M23 or 33.&nbsp; No Cortex-M0 (has no SWV)</P><P>I posted it here:&nbsp; <A class="link-titled" href="http://www.keil.com/appnotes/docs/apnt_297.asp" title="http://www.keil.com/appnotes/docs/apnt_297.asp">Application Note 297: Using Serial Wire Viewer to Confirm CPU Speed</A>&nbsp;</P><P>This uses eval version of Keil MDK and any ULINK or a Segger J-Link.</P><P>Tanks</P><P>Bob&nbsp; Boys</P><P>ARM</P></BODY></HTML> Mon, 10 Apr 2017 17:37:05 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/How-to-determine-confirm-Cortex-M-CPU-speed-using-Serial-Wire/m-p/662170#M40647 robertboys 2017-04-10T17:37:05Z Re: How to determine/confirm Cortex-M CPU speed using Serial Wire Viewer ! https://community.nxp.com/t5/Kinetis-Microcontrollers/How-to-determine-confirm-Cortex-M-CPU-speed-using-Serial-Wire/m-p/662171#M40648 <HTML><HEAD></HEAD><BODY><P>Hi Bob,</P><P>Thank you for your input :smileywink:</P><P></P><P>Have a great day,<BR />Soledad</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Mon, 10 Apr 2017 20:18:22 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/How-to-determine-confirm-Cortex-M-CPU-speed-using-Serial-Wire/m-p/662171#M40648 soledad 2017-04-10T20:18:22Z