NuMaker-M030GTD
Nov. 17, 2022
Page
39
of 46
Rev 1.00
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shows the debug mode under NuEclipse. Click “
Resume
” and the debug message
will be printed out as shown in Figure 4-29. User can debug the project under debug mode by
checking source code, assembly language, peripherals’ registers, and setting breakpoint, step
run, value monitor, etc. For more information about how to use NuEclipse, please refer to the
NuEclipse User Manual
.
1. Resume
1 2 4
3
3. Restart the debugging session
2. Suspend
4. Terminate
Figure 4-28 NuEclipse Debug Mode
Figure 4-29 Debug Message on Serial Port Terminal Windows
4.7
Built-in I
2
C Bootloader
The default bootloader is stored in the internal LDROM of M030G series, and is programmed by
Nuvoton during production. Its main task is to download the application program to the internal Flash
memory(APROM) through I
2
C interface. In order to avoid abnormal operation of bootloader, user
should not change the boot selection(CONFIG0[7:6]) and LDROM except bootloader update. To
modify the bootloader, user can use standard bootloader from BSP sample code. To modify the
bootloader, user can use standard bootloader from BSP sample code.
There are three conditions for MCU stay in bootloader:
1.
Mandatory pin is low status.
2.
The first word value of APROM is 0xFFFFFFFF.
3.
The first word value of SPROM is 0xA55AAA55.
