S32k144 maintains normal operation of RTC in case of powerdown

[kane123Hu]

I use S32K144 and now I have a requirement: when VDD loses power, the RTC clock should keep running normally and the power consumption should be less than 10ua. I have checked that there is no separate RTC power supply pin on the chip hardware. Can we only adopt the solution of using an external RTC clock chip?

[davidtosenovjan · Accepted solution]

Yes, it will be needed to use external RTC device.