topic Re: LS1043A Thermal Monitoring Unit in Layerscape https://community.nxp.com/t5/Layerscape/LS1043A-Thermal-Monitoring-Unit/m-p/675543#M2563 <HTML><HEAD></HEAD><BODY><P>Thermal Monitoring Unit is part of LS1043A, please look LS1043A Reference Manual, Chapter 43 for details.</P><P></P><P>ADT7461 is external 8-pin chip used to read temperature from on-die thermal diode of the processor.</P><P></P><P>PCA9547 is multiplexer chip for I2C bus.</P><P></P><P>LS1043A Reference Manual is available for download from LS1043A product page, "Documentation" tab:</P><P></P><P><A class="link-titled" href="http://www.nxp.com/products/microcontrollers-and-processors/arm-processors/qoriq-layerscape-arm-processors/qoriq-layerscape-1043a-and-1023a-multicore-communications-processors:LS1043A?tab=Documentation_Tab" title="http://www.nxp.com/products/microcontrollers-and-processors/arm-processors/qoriq-layerscape-arm-processors/qoriq-layerscape-1043a-and-1023a-multicore-communications-processors:LS1043A?tab=Documentation_Tab">QorIQ® Layerscape 1043A|NXP</A>&nbsp;</P><P><BR />Have a great day,<BR />Alexander<BR />TIC</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Wed, 28 Jun 2017 06:49:55 GMT alexander_yakov 2017-06-28T06:49:55Z LS1043A Thermal Monitoring Unit https://community.nxp.com/t5/Layerscape/LS1043A-Thermal-Monitoring-Unit/m-p/675542#M2562 <HTML><HEAD></HEAD><BODY><P>I study LS1043A &nbsp;thermal monitoring ,found LS1043a have two thermal monitoring.</P><P>One device:</P><P><EM> <SPAN class="">tmu: tmu@f0000 {<BR />compatible = "fsl,qoriq-tmu";<BR />reg = &lt;0xf0000 0x1000&gt;;<BR />interrupts = &lt;18 2 0 0&gt;;<BR />fsl,tmu-range = &lt;0x000a0000 0x00090026 0x0008004a 0x0001006a&gt;;<BR />fsl,tmu-calibration = &lt;0x00000000 0x00000025<BR />0x00000001 0x00000028<BR />0x00000002 0x0000002d<BR />0x00000003 0x00000031<BR />0x00000004 0x00000036</SPAN> </EM></P><P><EM> <SPAN class="">0x00000005 0x0000003a<BR />0x00000006 0x00000040<BR />0x00000007 0x00000044<BR />0x00000008 0x0000004a<BR />0x00000009 0x0000004f<BR />0x0000000a 0x00000054<BR />0x00010000 0x0000000d<BR />0x00010001 0x00000013<BR />0x00010002 0x00000019<BR />0x00010003 0x0000001f<BR />0x00010004 0x00000025<BR />0x00010005 0x0000002d<BR />0x00010006 0x00000033<BR />0x00010007 0x00000043<BR />0x00010008 0x0000004b<BR />0x00010009 0x00000053<BR />0x00020000 0x00000010<BR />0x00020001 0x00000017<BR />0x00020002 0x0000001f<BR />0x00020003 0x00000029<BR />0x00020004 0x00000031<BR />0x00020005 0x0000003c<BR />0x00020006 0x00000042<BR />0x00020007 0x0000004d<BR />0x00020008 0x00000056<BR />0x00030000 0x00000012<BR />0x00030001 0x0000001d&gt;;<BR />};</SPAN> </EM></P><P></P><P>Two device :</P><P></P><P><EM> <SPAN class="">adt7461@4c {<BR />compatible = "adi,adt7461";<BR />reg = &lt;0x4c&gt;;<BR />};<BR />pca9547@77 {<BR />compatible = "philips,pca9547";<BR />reg = &lt;0x77&gt;;<BR />};</SPAN> </EM></P><P></P><P>I think one device is&nbsp;CPU built-in temperature detection&nbsp; ,and two device &nbsp;is external temperature detection.</P><P>Don't know if I understand correctly?</P></BODY></HTML> Tue, 27 Jun 2017 09:05:42 GMT https://community.nxp.com/t5/Layerscape/LS1043A-Thermal-Monitoring-Unit/m-p/675542#M2562 zhoujianyun19 2017-06-27T09:05:42Z Re: LS1043A Thermal Monitoring Unit https://community.nxp.com/t5/Layerscape/LS1043A-Thermal-Monitoring-Unit/m-p/675543#M2563 <HTML><HEAD></HEAD><BODY><P>Thermal Monitoring Unit is part of LS1043A, please look LS1043A Reference Manual, Chapter 43 for details.</P><P></P><P>ADT7461 is external 8-pin chip used to read temperature from on-die thermal diode of the processor.</P><P></P><P>PCA9547 is multiplexer chip for I2C bus.</P><P></P><P>LS1043A Reference Manual is available for download from LS1043A product page, "Documentation" tab:</P><P></P><P><A class="link-titled" href="http://www.nxp.com/products/microcontrollers-and-processors/arm-processors/qoriq-layerscape-arm-processors/qoriq-layerscape-1043a-and-1023a-multicore-communications-processors:LS1043A?tab=Documentation_Tab" title="http://www.nxp.com/products/microcontrollers-and-processors/arm-processors/qoriq-layerscape-arm-processors/qoriq-layerscape-1043a-and-1023a-multicore-communications-processors:LS1043A?tab=Documentation_Tab">QorIQ® Layerscape 1043A|NXP</A>&nbsp;</P><P><BR />Have a great day,<BR />Alexander<BR />TIC</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Wed, 28 Jun 2017 06:49:55 GMT https://community.nxp.com/t5/Layerscape/LS1043A-Thermal-Monitoring-Unit/m-p/675543#M2563 alexander_yakov 2017-06-28T06:49:55Z