3. MaskRom mode

See startup mode for an introduction startup mode

MaskRom pattern is the last line of defense equipment burn out. Forced entry MaskRom involved hardware operation, have certain risk, so only in the equipment into the Loader mode, can try MaskRom mode.

Please read carefully and operate carefully!

The operation steps are as follows:

  1. Disconnect all power supplies.

  2. Use metal tweezers to connect and hold the two test points as shown in the following figure on Core-3568J (as shown in the figure below).

  3. Connect the equipment and host machine with Double male USB data cable.

  4. Wait a moment, then loosen the tweezers.

Short circuit the D0 and GND test points near EMMC _images/maskrom_test_points.png

At this point, the device should go into MaskRom mode.