Can I use CDC-ECM with H563 ?

[Gwen1]

Hi, Is ST proved an example of USB CDC-ECM for H563 or something similar I can use for doing a connection between my pc and my nucleo H563 with USB?

[Saket_Om]

Hello @Gwen1 

You can refer to the example below: 

STM32CubeH5/Projects/STM32H573I-DK/Applications/USBX/Ux_Device_CDC_ECM at main · STMicroelectronics/STM32CubeH5 · GitHub

[Gwen1]

Hello @Saket_Om , thanks for your replied.
As I can understand this example works with an SD card for a web server. Did you know if ST provided juste an example of communication between the ST card and PC with CDC-ECM? Like this How to implement the USB Device CDC (VCOM) in STM3... - STMicroelectronics Community but with a board that is similar to H563 ?

[FBL]

Hi @Gwen1 

CDC ACM and CDC ECM are different USB sub classes. Your request is confusing. If you're designing a USB device, the choice between CDC ACM and CDC ECM depends on whether your application requires serial communication or networking capabilities. 

• CDC ACM is meant for serial communication and is used for devices that need to emulate a COM port over USB like the article you mentioned. 
• CDC ECM is designed for networking often used to emulate an Ethernet interface over USB.

I hope this helps!