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Jitter and Duty spec for RTC_XTALI in i.MX7D

Question asked by ko-hey on Feb 23, 2017
Latest reply on Feb 28, 2017 by Artur Petukhov

Hi all

 

I have a question about RTC_XTALI spec.

I checked following section to confirm spec for RTC_XTALI but there are no definition about jitter and duty.

Is there any spec for jitter and duty for RTC_XTAL ?

If there are no spec, could you tell me how to select the 32KHz clock ?

 

Section 4.1.4 External clock sources of datasheet

http://www.nxp.com/assets/documents/data/en/data-sheets/IMX7DCEC.pdf 

 

Section 4.3. Checking for clock pitfalls of hardware development guide

http://www.nxp.com/assets/documents/data/en/user-guides/IMX7DSHDG.pdf 

 

Table 9. Oscillator and clock recommendations

http://www.nxp.com/assets/documents/data/en/user-guides/IMX7DSHDG.pdf 

 

Section 5.3 Crystal Oscillator (XTALOSC)

http://www.nxp.com/assets/documents/data/en/reference-manuals/IMX7DRM.pdf 

 

Ko-hey

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