Using CLK pin for RTC

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Using CLK pin for RTC

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kbell_hardware
Contributor III

Hello,

I'm wondering if it is possible to not use the XTAL pins for your RTC clock input, but instead use the CLK1_P or CLK2_P pin. Using the IMX6Q

Thanks,

Kevin

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LinWang
NXP Employee
NXP Employee


Hi Kevin,

They are impossible to be acted as RTC function.

1. There is no path from CLK1_N/P and CLK2_N/P to RTC block.

2. CLK1_N/P and CLK2_N/P pins belong to VDD_HIGH_CAP power group not VDD_SNVS_IN.

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LinWang
NXP Employee
NXP Employee


Hi Kevin,

They are impossible to be acted as RTC function.

1. There is no path from CLK1_N/P and CLK2_N/P to RTC block.

2. CLK1_N/P and CLK2_N/P pins belong to VDD_HIGH_CAP power group not VDD_SNVS_IN.

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