Most users need to select a suitable flash with sufficient capacity. To assist with this, we've compiled a list of image sizes generated by Buildroot/Yocto/OpenWrt. Please note that this list is for reference only, as the actual size may vary depending on the packages installed. The size of eMMC/SD ...

In certain situations where you need to write an image to MA35D1 in a Linux environment within VMware, you may encounter an issue where NuWriter cannot detect the device. NuWriter can be downloaded from https://github.com/OpenNuvoton/MA35D1_NuWriter To resolve this, first, check if MA35's USB device...

This FAQ explains how to utilize the DDR parameter file to generate a Linux image. After using the DDR parameter Excel file provided by Nuvoton, place the file "custom_ddr.h" into a specific folder depending on the Linux production tool you are using. Buildroot: Replace the custom_ddr.h in “ddr” fol...

Default NAND Flash rootfs is 100MB and part of space is occupied by UBIFS, so it may not be enough. This FAQ would guide you how to extend the rootfs size. Please verify the "maximum logical eraseblock count" in Buildroot menuconfig. The default value is 2800, which corresponds to a maximum rootfs s...

Sometimes you may find that you have modified source code but after compiling and you still got an old image. Those of auto compiling tools are not detect which file you modified, so you need to use some commands to force to recompile. Here, we provide three commands to rebuild the important three p...

The default size of the SD/eMMC rootfs is 100MB, which may be insufficient for certain uses. Nuvoton offers a script to automatically resize the rootfs to its maximum capacity, or alternatively, you can manually resize the rootfs to your desired size. Auto resize rootfs to maximum after booting Buil...

There is an open source test command in U-Boot and you can utilize it to measure USB eye diagram First, you need to enter U-Boot stage and following the below command. Start the USB: $ usb start Common USB commands: - usb start: - usb reset: (re)starts the USB. All USB devices will be initialized an...

For example, if you find that the performance of MA35D0/MA35H0 does not meet your requirements, you can opt for a higher-tier chip, such as the MA35D1. Before changing the chip, remember to check the number of peripherals such as CAN-FD, UART, etc. In the software part, we recommend downloading a ne...

The default size of the root file system depends on the packages you choose to install. If you require an expansion of the root file system to its maximum capacity, options are available through Buildroot's menuconfig or Yocto's recipe configuration Buildroot $ make menuconfig Bootloaders ---> [*] A...

Nuvoton offers a default configuration as you initiate image building. However, there are instances where this might prove insufficient or where you wish to alter the configuration. In such cases, the "make menuconfig" command serves as a tool to make necessary modifications. At times, you might fin...