topic K60 - ALTCLK source in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/K60-ALTCLK-source/m-p/614988#M36576 <HTML><HEAD></HEAD><BODY><P>Bonjour, je travaille sur l'ADC d'un kinetis K60.</P><P>Je souhaite utiliser la source d'horloge ALTCLK.</P><P>Or je ne trouve nulle part d'où vient cette ALTCLK dans le manuel de référence K60P144M150SF3RM<BR />Rev. 3, November 2014 + K60P144M150SF3RM Rev. 4, 10/2015.</P><P>Où puis-je trouver l'information ?</P><P>Cordialement,</P><P></P><P>H. Rogues.</P></BODY></HTML> Tue, 13 Sep 2016 10:08:23 GMT herverogues 2016-09-13T10:08:23Z K60 - ALTCLK source https://community.nxp.com/t5/Kinetis-Microcontrollers/K60-ALTCLK-source/m-p/614988#M36576 <HTML><HEAD></HEAD><BODY><P>Bonjour, je travaille sur l'ADC d'un kinetis K60.</P><P>Je souhaite utiliser la source d'horloge ALTCLK.</P><P>Or je ne trouve nulle part d'où vient cette ALTCLK dans le manuel de référence K60P144M150SF3RM<BR />Rev. 3, November 2014 + K60P144M150SF3RM Rev. 4, 10/2015.</P><P>Où puis-je trouver l'information ?</P><P>Cordialement,</P><P></P><P>H. Rogues.</P></BODY></HTML> Tue, 13 Sep 2016 10:08:23 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/K60-ALTCLK-source/m-p/614988#M36576 herverogues 2016-09-13T10:08:23Z Re: K60 - ALTCLK source https://community.nxp.com/t5/Kinetis-Microcontrollers/K60-ALTCLK-source/m-p/614989#M36577 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>From "37.4.2 Clock select and divide control" you can see "ALTCLK: As defined for this MCU. See the chip configuration information."</P><P><span class="lia-inline-image-display-wrapper" image-alt="37.4.2 Clock select and divide control.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/5052iA6110906800A3FF4/image-size/large?v=v2&amp;px=999" role="button" title="37.4.2 Clock select and divide control.png" alt="37.4.2 Clock select and divide control.png" /></span></P><P></P><P>Then we can find the the ALTCLK is connected to OSC0ERCLK.</P><P><span class="lia-inline-image-display-wrapper" image-alt="3.7.1.11 Alternate clock.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/5096iCE80CE1649066ED3/image-size/large?v=v2&amp;px=999" role="button" title="3.7.1.11 Alternate clock.png" alt="3.7.1.11 Alternate clock.png" /></span></P><P></P><P>The OSC0ERCLK is system oscillator output sourced from OSC0CLK.</P><P><span class="lia-inline-image-display-wrapper" image-alt="Figure 5-1. Clocking diagram.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/5132i8F3E25FBF9B1BEF9/image-size/large?v=v2&amp;px=999" role="button" title="Figure 5-1. Clocking diagram.png" alt="Figure 5-1. Clocking diagram.png" /></span></P><P></P><P>The "6.3.2 Oscillator electrical specifications" can be found in datasheet(K60P144M150SF3).</P><P><span class="lia-inline-image-display-wrapper" image-alt="6.3.2.2 Oscillator frequency specifications.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/5137i59EC340C5424A220/image-size/large?v=v2&amp;px=999" role="button" title="6.3.2.2 Oscillator frequency specifications.png" alt="6.3.2.2 Oscillator frequency specifications.png" /></span></P><P></P><P>Best Regards,</P><P>Robin</P></BODY></HTML> Wed, 14 Sep 2016 01:33:43 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/K60-ALTCLK-source/m-p/614989#M36577 Robin_Shen 2016-09-14T01:33:43Z