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What does timerParams.extFreq.lo refer to when I use timer module in sysbios?

Bin Hu
Expert 1095 points

Other Parts Discussed in Thread: SYSBIOS, AM3359

Hi all ,

    We are use AM3359 with sysbios. When we use timer module to make a cycle count I found out in many examples they set timerParams.extFreq.lo to many different data, for example like 24000000 or 32000000.

   I think this may have some relationship with hardware register setting. But in manual I can not find any refense.So some one have an idea on this?

Thank you!

  • 0
    TI__Mastermind 45025 points

    Hi Bin Hu1,

    Which version of SYS/BIOS are you using?

    The BIOS Timer module (ti.sysbios.timers.dmtimer) maps to the following DMTIMERs.  You can find this table in the BIOS API

    You can also find more details on the Timer module in the SYS/BIOS User's Guide, in section "7.3 Timer Module"

    Steve