Query about the RTC of I.MX6Q

[lukegu]

Hi Dear ,

         When System is power down , how should the I.MX6Q operate to save the time data ,  and how to operate with the MMPF0100F0AEP ? Could you kindly help me to give some document to describe this issue ? Thanks !

[Yuri]

Hello,

  In order to implement RTC You may use scheme, based on i.MX6 reference design,

and follow Development Guide recommendations :

If VDD_SNVS_IN is directly supplied by a coin cell, a schottky diode is required between

VDD_HIGH_IN and VDD_SNVS_IN. The cathode is connected to VDD_SNVS_IN.

  From the Datasheet, Table 9 (Stop Mode Current and Power Consumption), there is

SNVS Only mode, when VDD_SNVS_IN powered and all other supplies off, and SRTC

is running.

SABRE Board Reference Design|NXP 

http://cache.nxp.com/files/32bit/doc/user_guide/IMX6DQ6SDLHDG.pdf

http://cache.nxp.com/files/32bit/doc/data_sheet/IMX6DQCEC.pdf 

Have a great day,
Yuri

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