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Power Consumption of SYSBIOS

g.f.
Guru 15520 points
Other Parts Discussed in Thread: SYSBIOS

Hi,

I have a question about SYSBIOS.

I'm using C6670 with SYSBIOS and want to lower the power consumption.
The TSK threads of SYSBIOS are running on each core of C6670(4 cores).

Can power consumption be lowered by controlling operation of TSK thread well?
For example, usually put the TSK of each core in IDLE state and make TSK to run only when required.
Or if SYSBIOS are running, does TSK state effect to the power consumption?

best regards,
g.f.

  • 0
    TI__Mastermind 21645 points

    Hi g.f,

    One way of reducing power consumption would be to power down the DSP whenever the idle task runs. This would typically involve programming certain power registers and then invoking the idle instruction in the idle task function. Please go through section 12.2.4 and section 12.2.5 from C66x CorePac's user guide (http://www.ti.com/lit/pdf/sprugw0) for more details on the steps required to power down the DSP core.

    Best,

    Ashish

  • 0 in reply to Ashish Kapania
    Guru 15520 points

    Hi Ashish,

    Thank you for the detail and I'm sorry for the delay.

    Now, I uderstood how to reduce the power consumption.
    Thank you so much.

    best regards,
    g.f.