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Serial Download fails on i.MX53 board

Question asked by Alex Bondarev on Jan 7, 2014
Latest reply on Jun 17, 2014 by john Phy

I have designed custom board based on i.MX53 QSB. Board successfully loading from SD but fails to download via USB in serial boot mode. PC does not see USB devise when I switch my board in serial boot mode but see it when Linux running so I suppose that USB OTG is ok. All UARTs RX pins described in RM 7.8.2.1 are disconnected. Is there any way to trace ROM downloader?

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