I'm studying DDR4 calibration on i.MX8MQ EVK(AES-MC-SBC-IMX8M-G)
but, now I have a problem. The problem is my PC can not open USB device.
(Please refer below Fig.)
And, How to i entry Serial Download mode/Manufacture mode?
I'm studying DDR4 calibration on i.MX8MQ EVK(AES-MC-SBC-IMX8M-G)
but, now I have a problem. The problem is my PC can not open USB device.
(Please refer below Fig.)
And, How to i entry Serial Download mode/Manufacture mode?
Hi Arthur,
You will need to rework R33, R34, R38, R39 on the MaaXBoard. Out of box it is setup in internal boot mode (SD card). If you wat Serial Downloader mode rework is required.
Also which USB are you connected to? Top or bottom?
-Josh
Hi Josh,
which USB are you connected to? Top or bottom? I connected to top.
As your answer i don't know which unit is R33, R34, R38, R39 on Maaxboard, Could you help me mark those unit?
