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USB Protocol

vbk22398
Associate III

‎2024-10-08 04:54 AM

I am using STM32F423RHT6 in the project. In .ioc file, there are different versions of USB being given. I am getting confused in which is given for what purpose? 

Screenshot 2024-10-08 165743.png

 Under the connectivity tab, there is USB OTG FS, whereas in Middlewares and Softwares also, there is USB_Device and host. I am getting confused, which one should be used for data transfer and through which pins we need to program. Kindly help me understand!

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TDK
Guru

‎2024-10-08 05:12 AM

Generally, using the FS USB is preferred on pins PA11/PA12, but you can use the HS USB as well.

A USB host is different than a USB device. There are options for both. Generally, you want the STM32 to be a USB device. "data transfer" can be done with the virtual com port USB device.

USB - Wikipedia

USB Made Simple

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