About unused PLL setting of i.MX6Solo

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About unused PLL setting of i.MX6Solo

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yuuki
Senior Contributor II

Dear all,

By our system, we do not use following PLLs.

- PLL3_PFD0 / PFD1 / PFD2 / PFD3
- PLL4
- PLL5

Do we have to set a register related to these?
Can we remain a default(reset value) for registers related to these PLLs?

Best Regards,
Yuuki

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joanxie
NXP TechSupport
NXP TechSupport

one can refer to the Reference Manual : chapter 18.5.1.6 Disabling / Enabling PLLs,

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yuuki
Senior Contributor II

joanxie

Dear Joan Xie-san,

Thank you for an answer.

I understood it as follows.

For PLL3_PFD0 / PFD1 / PFD2 / PFD3
 - PFDx_CLKGATE bit is set to 1. (Clock gate)
 - PFDx_FRAC firld is left the Apter Reset value.

For PLL4 and PLL5
 - Unsued PLLs are not Enabled.
 - Registers of PLLs are left the After Reset value.

Best Regards,
Yuuki

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