i.MX6 sleep mode

[weiqing]

Hello,

We use i.MX6 solo/quad and Linux BSP in our customized board.

Our question is: which components are shutted down when the command "echo mem > /sys/power/state" is typed?

Consumes the processor power still? what about the Memory, Ethernet PHY, etc.?

Thanks in advance for any Information. :=)

weiqing

[igorpadykov · Accepted solution]

Hi weiqing

please check Table 9. Stop Mode Current and Power Consumption IMX6DQCEC ,

AN4509 i.MX 6Dual/6Quad Power Consumption Measurement,

sect.3.2 Low Power Mode Use Cases,

3.2.1 Use Case 1— Deep Sleep Mode (DSM)

This mode is named as Dormant mode or Suspend to RAM, in the Linux BSP.

This is the lowest possible power state where external supplies are still on.

From L3.0.35_4.1.0_LINUX_DOCS i.MX_6Dual6Quad_Linux_Reference_Manual.pdf  p.130 :

Mem (suspend to RAM): maps to DORMANT mode

Power supplies are not turned off from Memory, processor NVCC_RGMII .

Best regards

igor

-----------------------------------------------------------------------------------------------------------------------

Note: If this post answers your question, please click the Correct Answer button. Thank you!

-----------------------------------------------------------------------------------------------------------------------