Can USB0_RREF open if USB0 is unused on LPC4357?

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Can USB0_RREF open if USB0 is unused on LPC4357?

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thanhnhatle
Contributor II

Hi,

I am using LPC4357 on my design.

USB1 is using on my board, and USB0 is unused.

Therefore, is there any problem if USB0_RREF pin is opened as USB0 is unused?

The following pins are opened too on my board.

USB0_VBUS

USB0_DP

USB0_DM

USB0_ID

Thank you very much.

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ZhangJennie
NXP TechSupport
NXP TechSupport

Hi

I suggest the below connections. see below.

  • USB0_DP----- unconnected
  • USB0_DM---- unconnected
  • USB0_VBUS pulled low
  • USB0_ID---- unconnected
  • USB0_RREF pulled low


Have a great day,
Jun Zhang

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1,213件の閲覧回数
ZhangJennie
NXP TechSupport
NXP TechSupport

Hi

I suggest the below connections. see below.

  • USB0_DP----- unconnected
  • USB0_DM---- unconnected
  • USB0_VBUS pulled low
  • USB0_ID---- unconnected
  • USB0_RREF pulled low


Have a great day,
Jun Zhang

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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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