how to generate 125M clock output?

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how to generate 125M clock output?

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jiangyaqiang
Contributor IV

HI :

     how to generate 125M clock output?  I have try to CLKO2 and GPIO16(NET_REF_CLK), but fail, here is the result:

for CLKO2:

select gpio03 to clko2, but, only 24M clock output.

select NAND_CS2_B to clko2 and  root clock select 125M_CLK_ROOT (set CCM_CCOSR to 0x010900DB) , the clock output is about 262M.

for GPIO16:

clock output is 50M

Could anyone tell me how to generate 125M clock ? Thanks very much.

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igorpadykov
NXP Employee
NXP Employee

HI jiang

please check below link

Re: Using i.MX6 to generate 125MHz reference clock for RGMII interface

Best regards

igor

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555 Views
igorpadykov
NXP Employee
NXP Employee

HI jiang

please check below link

Re: Using i.MX6 to generate 125MHz reference clock for RGMII interface

Best regards

igor

-----------------------------------------------------------------------------------------------------------------------

Note: If this post answers your question, please click the Correct Answer button. Thank you!

-----------------------------------------------------------------------------------------------------------------------