FLEXCAN clock source of the S32K116

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FLEXCAN clock source of the S32K116

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Embedded_novice
Contributor II

I wonder if the Clock source of FLEXCAN for S32K116 can only be obtained from the System Clock? Can I get the clock source from an external crystal?

When I checked the Clock tree of 116 in the S32DS 3.5 software, I found that the clock source of the FLEXCAN module can only be fixed to select System Clock.

Thank you.

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Robin_Shen
NXP TechSupport
NXP TechSupport

Hi

You can select PE clock source between Oscillator clock(SOSCDIV2_CLK) and Peripheral clock(SYS_CLK).

PE clock source CAN_CTRL1[CLKSRC].png

But the Module Clock is fixed to SYS_CLK(System Clock).

PCC.SYS_CLK_SEL FLEXCAN0_CLK Clocks tool.png
Best Regards,
Robin
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Robin_Shen
NXP TechSupport
NXP TechSupport

Hi

You can select PE clock source between Oscillator clock(SOSCDIV2_CLK) and Peripheral clock(SYS_CLK).

PE clock source CAN_CTRL1[CLKSRC].png

But the Module Clock is fixed to SYS_CLK(System Clock).

PCC.SYS_CLK_SEL FLEXCAN0_CLK Clocks tool.png
Best Regards,
Robin
-------------------------------------------------------------------------------
Note:
- If this post answers your question, please click the "Mark Correct" button. Thank you!

- We are following threads for 7 weeks after the last post, later replies are ignored
Please open a new thread and refer to the closed one, if you have a related question at a later point in time.
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