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USB Serial Downloader mode - IMX6 Quad

Question asked by Raj Nikumbh on Sep 5, 2014
Latest reply on May 25, 2016 by Cameron Madsen

I have a custom board design in which USB Serial down-loader mode doesn't seem to work. I have been able to connect Lauterbach debugger directly but have not been successful with serial downloader mode.


On my board, I have connected USB_OTG_ID to pin T4 which has ALT3 functionality as OTG_ID. Will this create a problem as I can see on Sabre Smart OTG_ID is connected to Pin W23 which has ALT0 functionality as OTG_ID. Please let me know if the Freescale internal boot code looks only at one of these in order to decide to boot as USB device or host mode.