[LPC55S28]Dual role port for USB

キャンセル
次の結果を表示 
表示  限定  | 次の代わりに検索 
もしかして: 

[LPC55S28]Dual role port for USB

563件の閲覧回数
bryan_hong
Senior Contributor I

dear nxp

When a circuit is added to distinguish between USB device and host modes from a hardware perspective.

 

on LPC55S28, Is it possible to switch between USB device and host modes at runtime?

Could you provide the example source for this?

 

Thanks,
Bryan

ラベル(1)
  • USB

タグ(1)
0 件の賞賛
返信
1 返信

515件の閲覧回数
Alice_Yang
NXP TechSupport
NXP TechSupport

Hello @bryan_hong 

Thanks for your question.

The LPC55S28 does not support USB dual-role (OTG) function. However, if you use USB0, there is a pin called USB0_IDVALUE. You can develop software to switch between host and device modes at runtime based on the status of this pin.

Alice_Yang_0-1762506413747.png

 

BR

Alice

 

0 件の賞賛
返信
%3CLINGO-SUB%20id%3D%22lingo-sub-2199778%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%5BLPC55S28%5DUSB%E7%94%A8%E3%83%87%E3%83%A5%E3%82%A2%E3%83%AB%E3%83%AD%E3%83%BC%E3%83%AB%E3%83%9D%E3%83%BC%E3%83%88%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-2199778%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%3CP%3E%E8%A6%AA%E6%84%9B%E3%81%AA%E3%82%8BNXP%3C%2FP%3E%3CP%3E%E3%83%8F%E3%83%BC%E3%83%89%E3%82%A6%E3%82%A7%E3%82%A2%E3%81%AE%E8%A6%B3%E7%82%B9%E3%81%8B%E3%82%89%20USB%20%E3%83%87%E3%83%90%E3%82%A4%E3%82%B9%20%E3%83%A2%E3%83%BC%E3%83%89%E3%81%A8%E3%83%9B%E3%82%B9%E3%83%88%20%E3%83%A2%E3%83%BC%E3%83%89%E3%82%92%E5%8C%BA%E5%88%A5%E3%81%99%E3%82%8B%E3%81%9F%E3%82%81%E3%81%AE%E5%9B%9E%E8%B7%AF%E3%81%8C%E8%BF%BD%E5%8A%A0%E3%81%95%E3%82%8C%E3%81%9F%E5%A0%B4%E5%90%88%E3%80%82%3C%2FP%3E%3CBR%20%2F%3E%3CP%3ELPC55S28%20%E3%81%A7%E3%81%AF%E3%80%81%E5%AE%9F%E8%A1%8C%E6%99%82%E3%81%AB%20USB%20%E3%83%87%E3%83%90%E3%82%A4%E3%82%B9%20%E3%83%A2%E3%83%BC%E3%83%89%E3%81%A8%E3%83%9B%E3%82%B9%E3%83%88%20%E3%83%A2%E3%83%BC%E3%83%89%E3%82%92%E3%82%B9%E3%82%A4%E3%83%83%E3%83%81%E3%81%99%E3%82%8B%E3%81%93%E3%81%A8%E3%81%AF%E5%8F%AF%E8%83%BD%E3%81%A7%E3%81%99%E3%81%8B%3F%3C%2FP%3E%3CP%3E%E3%81%93%E3%82%8C%E3%81%AB%E9%96%A2%E3%81%99%E3%82%8B%E3%82%B5%E3%83%B3%E3%83%97%E3%83%AB%E3%82%BD%E3%83%BC%E3%82%B9%E3%82%92%E6%8F%90%E4%BE%9B%E3%81%97%E3%81%A6%E3%81%84%E3%81%9F%E3%81%A0%E3%81%91%E3%81%BE%E3%81%99%E3%81%8B%3F%3C%2FP%3E%3CBR%20%2F%3E%3CP%3E%E3%81%82%E3%82%8A%E3%81%8C%E3%81%A8%E3%81%86%E3%80%81%3CBR%20%2F%3E%E3%83%96%E3%83%A9%E3%82%A4%E3%82%A2%E3%83%B3%3C%2FP%3E%3C%2FLINGO-BODY%3E%3CLINGO-LABS%20id%3D%22lingo-labs-2199778%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%3CLINGO-LABEL%3EUSB%3C%2FLINGO-LABEL%3E%3C%2FLINGO-LABS%3E%3CLINGO-SUB%20id%3D%22lingo-sub-2200735%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%20translate%3D%22no%22%3ERe%3A%20%5BLPC55S28%5DDual%20role%20port%20for%20USB%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-2200735%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%3CP%3E%E3%81%93%E3%82%93%E3%81%AB%E3%81%A1%E3%81%AF%3CA%20href%3D%22https%3A%2F%2Fcommunity.nxp.com%2Ft5%2Fuser%2Fviewprofilepage%2Fuser-id%2F107445%22%20target%3D%22_blank%22%3E%40bryan_hong%3C%2FA%3E%3C%2FP%3E%0A%3CP%3E%E3%81%94%E8%B3%AA%E5%95%8F%E3%81%82%E3%82%8A%E3%81%8C%E3%81%A8%E3%81%86%E3%81%94%E3%81%96%E3%81%84%E3%81%BE%E3%81%99%E3%80%82%3C%2FP%3E%0A%3CP%3ELPC55S28%20%E3%81%AF%20USB%20%E3%83%87%E3%83%A5%E3%82%A2%E3%83%AB%E3%83%AD%E3%83%BC%E3%83%AB%20(OTG)%20%E6%A9%9F%E8%83%BD%E3%82%92%E3%82%B5%E3%83%9D%E3%83%BC%E3%83%88%E3%81%97%E3%81%A6%E3%81%84%E3%81%BE%E3%81%9B%E3%82%93%E3%80%82%E3%81%9F%E3%81%A0%E3%81%97%E3%80%81USB0%20%E3%82%92%E4%BD%BF%E7%94%A8%E3%81%99%E3%82%8B%E5%A0%B4%E5%90%88%E3%81%AF%E3%80%81%20%3CCODE%20translate%3D%22no%22%3EUSB0_IDVALUE%3C%2FCODE%3E%E3%81%A8%E3%81%84%E3%81%86%E3%83%94%E3%83%B3%E3%81%8C%E3%81%82%E3%82%8A%E3%81%BE%E3%81%99%E3%80%82%E3%81%93%E3%81%AE%E3%83%94%E3%83%B3%E3%81%AE%E7%8A%B6%E6%85%8B%E3%81%AB%E5%9F%BA%E3%81%A5%E3%81%84%E3%81%A6%E3%80%81%E5%AE%9F%E8%A1%8C%E6%99%82%E3%81%AB%E3%83%9B%E3%82%B9%E3%83%88%20%E3%83%A2%E3%83%BC%E3%83%89%E3%81%A8%E3%83%87%E3%83%90%E3%82%A4%E3%82%B9%20%E3%83%A2%E3%83%BC%E3%83%89%E3%82%92%E5%88%87%E3%82%8A%E6%9B%BF%E3%81%88%E3%82%8B%E3%82%BD%E3%83%95%E3%83%88%E3%82%A6%E3%82%A7%E3%82%A2%E3%82%92%E9%96%8B%E7%99%BA%E3%81%A7%E3%81%8D%E3%81%BE%E3%81%99%E3%80%82%3C%2FP%3E%0A%3CP%3E%3CSPAN%20class%3D%22lia-inline-image-display-wrapper%20lia-image-align-inline%22%20image-alt%3D%22Alice_Yang_0-1762506413747.png%22%20style%3D%22width%3A%20400px%3B%22%3E%3Cspan%20class%3D%22lia-inline-image-display-wrapper%22%20image-alt%3D%22Alice_Yang_0-1762506413747.png%22%20style%3D%22width%3A%20400px%3B%22%3E%3Cimg%20src%3D%22https%3A%2F%2Fcommunity.nxp.com%2Ft5%2Fimage%2Fserverpage%2Fimage-id%2F364421i729753CA36624B1F%2Fimage-size%2Fmedium%3Fv%3Dv2%26amp%3Bpx%3D400%22%20role%3D%22button%22%20title%3D%22Alice_Yang_0-1762506413747.png%22%20alt%3D%22Alice_Yang_0-1762506413747.png%22%20%2F%3E%3C%2Fspan%3E%3C%2FSPAN%3E%3C%2FP%3E%0A%3CBR%20%2F%3E%0A%3CP%3EBR%3C%2FP%3E%0A%3CP%3E%E3%82%A2%E3%83%AA%E3%82%B9%3C%2FP%3E%0A%3CBR%20%2F%3E%3C%2FLINGO-BODY%3E