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:

Disconnect the device from the power supply.

Connect one end of the Type-C data cable to the host computer and the
other end to the development board.

Press and hold the MASKROM button on the baseboard.

Connect the device to the power supply.


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


Note: If the Windows PC programming tool still doesn't detect the
MASKROM device after following the above steps, check if the Windows
PC software driver is installed to the latest version.

Click:

Driver Download

First, click 1 to uninstall the driver, then click 2 to install the
driver. After installing the driver, follow the steps above in
sequence. The Windows PC programming tool should then be able to
recognize the MASKROM device.