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AM1808 Linux BSP Low Power

Terry16065
Expert 1185 points
Other Parts Discussed in Thread: AM1808

Customer is evaluating the AM1808 (using a LPD SOM) but it appears that the TI BSP has yet to implement the power management functions.  Any idea when this will occur? Customer needs very low power but this can't be tested because of the BSP.

  • 0
    TI__Guru 62975 points

    Terry,

    Can you clarify what you mean by BSP?  Typically, the EVM vendor creates the BSP to check for basic PCB/device functionality.  I do not expect the BSP to ever have support for advanced features like power management.

    The higher-level OS drivers developed by TI are usually referred to as PSP.  These packages should have power management support.

    -Tommy

  • 0
    Intellectual 310 points

    Hi Terry,

     

    If you are doing a very lower power design, you should be aware Logic PD recently released their free Wattson software for the AM1808 EVM which will help you see actual voltage, current, and power consumption across all power rails on the CPU and SOM design.  The software visually shows you which power rails are consuming the power and when they are switching on and off in your application.  Its very useful to debug a design.

    There is an adapter required to connect to the PC available from this website: http://createnewstuff.webs.com/breakoutboardwattson.htm

    The Logic PD software is available from here: http://www.logicpd.com/wattson

     

    -A