1. Upgrade Mode

The Idea1126B-P IPC supports Normal mode and Upgrade mode.

  • Normal mode: The normal startup process.

  • Upgrade mode: MaskRom mode.

1.1 Hardware to MaskRom

❶ Connect PC and development board with USB-A cable.

❷ Short circuit EMMC_D0 and GND.

Warning

Please be careful to avoid touching the components to cause short circuit and damage the development board.

Short circuit test points

❸ Power on. Release the two contacts when the flashing tool shows Maskrom.

Found_maskrom_Device

1.2 Shortcut to MaskRom

❶ Connect PC and development board with USB-A cable.

❷ Open the serial debug terminal.

❸ Press and hold Ctrl + B in the serial terminal, then power on the board. Release Ctrl + B when the flashing tool shows Maskrom.