iMX8QM USB REXT pull-down

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iMX8QM USB REXT pull-down

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Contributor III

Hi guys, there is a pull-down resistor required on both USB_OTG2_REXT and USB_SS3_REXT.

Technical Datasheet (Rev 0, 10/2019) page 83 specifies 500R 0.5% (497.5Ω to 502.5Ω).
Hardware Developers Guide (v0.6, 01/2019) page 20 specifies 499R 1% (494Ω to 504Ω)

I don't think this is going to be an issue, but thought I would ask anyway to clarify which is correct and to let you know that the documentation should be changed to agree with each other.

Regards,

Peter

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NXP TechSupport
NXP TechSupport

Hello,

 

  Use the recent Datasheet(s)  with hardware specs.

i.MX 8 Family Applications Processor | Arm Cortex-A53/A72/M4 | NXP 

   Note, the HDG is not published yet.

Have a great day,

Yuri

 

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