topic Transition to RUN from STOP for A7 core (Linux). in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/Transition-to-RUN-from-STOP-for-A7-core-Linux/m-p/625524#M94903 <HTML><HEAD></HEAD><BODY><P style="margin: 0in 0in 0pt;"><SPAN style="color: #1f497d; font-size: 11pt;">We are investigating methods for fastest transition to RUN from STOP for A7 core (Linux).&nbsp; &nbsp;&nbsp;</SPAN></P><OL><LI><SPAN style="color: #1f497d; font-size: 11pt;">If an external 24MHz clock is used instead of the XTAL, will it speed up our wake time by avoiding the requirement for xtal lock&nbsp; (XTALOSC_CTRL_24 register has bits for CLKGATE_DELAY and XTALOSC_PWRUP_DELAY—could we use the fastest selections)?</SPAN></LI><LI style="color: #1f497d; font-size: 11pt;"><SPAN style="color: #1f497d; font-size: 11pt;">If we instead leave the 24MHz xtal running, what would be the expected power impact?&nbsp; </SPAN></LI></OL></BODY></HTML> Fri, 10 Feb 2017 20:33:43 GMT JuanBrea 2017-02-10T20:33:43Z Transition to RUN from STOP for A7 core (Linux). https://community.nxp.com/t5/i-MX-Processors/Transition-to-RUN-from-STOP-for-A7-core-Linux/m-p/625524#M94903 <HTML><HEAD></HEAD><BODY><P style="margin: 0in 0in 0pt;"><SPAN style="color: #1f497d; font-size: 11pt;">We are investigating methods for fastest transition to RUN from STOP for A7 core (Linux).&nbsp; &nbsp;&nbsp;</SPAN></P><OL><LI><SPAN style="color: #1f497d; font-size: 11pt;">If an external 24MHz clock is used instead of the XTAL, will it speed up our wake time by avoiding the requirement for xtal lock&nbsp; (XTALOSC_CTRL_24 register has bits for CLKGATE_DELAY and XTALOSC_PWRUP_DELAY—could we use the fastest selections)?</SPAN></LI><LI style="color: #1f497d; font-size: 11pt;"><SPAN style="color: #1f497d; font-size: 11pt;">If we instead leave the 24MHz xtal running, what would be the expected power impact?&nbsp; </SPAN></LI></OL></BODY></HTML> Fri, 10 Feb 2017 20:33:43 GMT https://community.nxp.com/t5/i-MX-Processors/Transition-to-RUN-from-STOP-for-A7-core-Linux/m-p/625524#M94903 JuanBrea 2017-02-10T20:33:43Z Re: Transition to RUN from STOP for A7 core (Linux). https://community.nxp.com/t5/i-MX-Processors/Transition-to-RUN-from-STOP-for-A7-core-Linux/m-p/625525#M94904 <HTML><HEAD></HEAD><BODY><P>Device is iMX7S</P></BODY></HTML> Fri, 10 Feb 2017 20:36:02 GMT https://community.nxp.com/t5/i-MX-Processors/Transition-to-RUN-from-STOP-for-A7-core-Linux/m-p/625525#M94904 JuanBrea 2017-02-10T20:36:02Z