LPC55S6x High-speed PHY

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LPC55S6x High-speed PHY

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dingelen
Contributor III

Hi,

in the datasheet, for activating the high-speed PHY, it is mentioned the the 32k_osc should be activated. In the clock description section it is mentioned that this can be the FR32K or the XTAL32K.

Does it matter which of both is used for the High-speed PHY? I prefer not to add an extra external 32kHZ oscillator.

Thanks!

Tom

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FelipeGarcia
NXP TechSupport
NXP TechSupport

Hi Tom,

 

You could use either external XTAL32K or internal FRO32K selecting from RTCOSC32KSEL register.

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Have a great day,
Felipe

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