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What the highest transfer rate can be using USB1 as a vcom?

Question asked by will hunt on Jun 12, 2019
Latest reply on Jun 18, 2019 by ZhangJennie

I was testing with the dev_cdc_vcom_bm example from MCUXpresso SDK, and an LPCXpresso54628 eval board.

I can configure the USB device worked in high-speed mode, and it's about 4MB/s when sending data to PC.

I want to know what the highest transfer rate can be,  could it reach to 40MB/s as mentioned here