Regarding PCA21125 SPI-bus Real-Time Clock and calendar

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Regarding PCA21125 SPI-bus Real-Time Clock and calendar

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arvindupadhyay
Contributor II

Hi Friends,

I want some help, currently i am working on a project in which I am using PCA21125 RTC .I just want to know what are the steps require to make RTC run. I created SPI driver for my microcontroller , I went through your datasheet but I am not getting how to start communication. The driver is working fine and I am able to get communication between microcontroller and PCA21125, but the problem is I am not getting expected output.

Regards,

Arvind

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shiqian1004
Contributor I

How did  you solve the issue

Ihave the same issue

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arvindupadhyay
Contributor II

Hi ,

I got solution, Now the things are working fine.

Regards,

Arvind

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contact2saxena
Contributor I

How did  you solve the issue

Ihave the same issue

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arvindupadhyay
Contributor II

I am interfacing PCA21125 with TI TMS570LS1224 , and I am getting same value when I am trying to read seconds ,minutes etc.

I can communicate with PCA21125 but I am not getting why is it showing same values.

If anyone knows please let me know.

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