Hello TI team, For this USB usb_dfu_uniflash.py issue, we tried TI’s suggestion to update the resistor values. We tried different host pi3, pi4 and linux box. We verified that the sbl_dfu_uniflash binary started to run properly and was able to writ/read into SPI flash. It didn’t hang and entered dfu_task properly. We measured the signals via scope, and the signal is clean. With all the above effort, the host still failed to enumerate the device after running sbl_dfu_uniflash image with usb 1-1.3: device descriptor read/64, error -110 Any help is appreciated. Hong
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