topic Power consumption (AN4270) in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/Power-consumption-AN4270/m-p/212513#M13016 <HTML><HEAD></HEAD><BODY><P>Dear all,</P><P></P><P>I'm trying to evaluate the power consumption of a system around i.mx53. I've found an application note from Freescale which is based on some use cases:</P><P></P><P><A href="http://cache.freescale.com/files/32bit/doc/app_note/AN4270.pdf">http://cache.freescale.com/files/32bit/doc/app_note/AN4270.pdf</A></P><P></P><P>I'm particularly interested in the "Stop mode". According to the numbers given in the application note in this mode the DDR3 is operational and consumes 32mW out of a total of 36.5 mW.</P><P></P><P>Looking at the kernel sources this mode should put DDR3 in self-refresh mode and suspend itself into the internal RAM. In such a case I would expect a much lower power consumption for DDR3.</P><P>However those number are given for the Ubuntu image. Are they applicable also to the LTIB build ?</P><P></P><P>Thank, Marko</P></BODY></HTML> Mon, 20 Feb 2012 08:31:26 GMT MarkoPanger 2012-02-20T08:31:26Z Power consumption (AN4270) https://community.nxp.com/t5/i-MX-Processors/Power-consumption-AN4270/m-p/212513#M13016 <HTML><HEAD></HEAD><BODY><P>Dear all,</P><P></P><P>I'm trying to evaluate the power consumption of a system around i.mx53. I've found an application note from Freescale which is based on some use cases:</P><P></P><P><A href="http://cache.freescale.com/files/32bit/doc/app_note/AN4270.pdf">http://cache.freescale.com/files/32bit/doc/app_note/AN4270.pdf</A></P><P></P><P>I'm particularly interested in the "Stop mode". According to the numbers given in the application note in this mode the DDR3 is operational and consumes 32mW out of a total of 36.5 mW.</P><P></P><P>Looking at the kernel sources this mode should put DDR3 in self-refresh mode and suspend itself into the internal RAM. In such a case I would expect a much lower power consumption for DDR3.</P><P>However those number are given for the Ubuntu image. Are they applicable also to the LTIB build ?</P><P></P><P>Thank, Marko</P></BODY></HTML> Mon, 20 Feb 2012 08:31:26 GMT https://community.nxp.com/t5/i-MX-Processors/Power-consumption-AN4270/m-p/212513#M13016 MarkoPanger 2012-02-20T08:31:26Z