iMX6 Rex USB Booting

These steps guide through loading a bootloader via USB OTG interface. This can be useful during recovery or bootloader update.

Recommended HW:

• PC with USB port
• Voipac iMX6 Rex Development Kit
• USB to Micro-USB cable
• Soldering station

Recommended SW:

• MfgTool feature
• Serial line terminal

Procedure

Resolder resistors R0 on position R63 to R62 and R67 to R65 on the base board (Near battery holder J32):

Short BOOT_MODE jumper JP2 on iMX6 Rex Base Board. Connect PC and USB OTG port with a USB cable and power on the base board:

Open an appropriate BAT file:

Execute Manufacturing toolkit at host PC:

Press Start button (CPU will boot firmware loaded over USB):

Wait until firmware transfer is finished:

The board boots using the firmware loaded over USB: