Platform: MA35D1 Platform resource link: https://www.nuvoton.com/products/microprocessors/arm-cortex-a35-mpus/ma35d1-high-performance-edge-iiot-series/design-resource/ BSP link: https://github.com/OpenNuvoton/MPU-Family Download link: Training Material.zip Brief: 2023_0627 HMI EVB Quick Startup Work...

N9H Series - emWin AppWizard Development Considerations Brief: This note will explain the application of emWin AppWizard on the Nuvoton N9H Human Machine Interface (HMI) Series platform, focusing on selecting appropriate hardware/software acceleration designs for different applications and designs....

Question : Understand IMAGE_INSTALL Library in Yocto Build System Answer. VPLL can set different output frequencies. Set 102MHz, which is used for the LCD screen on the development board. User can set different frequencies yourself, refer to \libraries\ma35\StdDriver\src\nu_disp.c. VPLL.png #MA35D1...

Question : Cannot Build pack.bin in OpenWRT Answer. Maybe the compilation environment does not have jq installed. Install jq package sudo apt install jq Due to the need to clear TF-A, Optee-OS and U-boot when changing the configuration make package/boot/arm-trusted-firmware-ma35d1/clean make packag...

Question : UART maximum baud rate support Answer. According to the manual, the maximum baud rate can support 9.5MHz Using non-os code to perform internal loop back testing can achieve the values described by TRM . In Linux, our test situation is that the FIFO trigger level is set to 0x30, and the b...

Question :

Understand IMAGE_INSTALL Library in Yocto Build System


Answer.
The VDDIO description is described in the TRM manual: #MA35D1, #VDDIO
.

Question : Support SmartCard Answer. The linux Kernel does not support smart cards. Only MA35D1 Non-OS and RTP M4 support smart card. For example, if the current customer uses the Linux system, the Smart card function can only be run on the RTP. The control, data, or status of the swiped card can b...

Question : RTLINUX Test Program : After adding the RTLINUX patch under openwrt When running stress-ng for stress testing, it was found that the CPU of rtlinux firmware can reach 50%, and non-rtlinux firmware can reach 100%. The running command is stress-ng -c 2 --cpu-method pi. I would like to know...

Question : IoT Board Modify Reserved-Memory Answer. Because the IoT Board does not use display-related content, you can remove the display-related content in the device tree and add reserved-memory. Currently, the reserved-memory of 128M is 19980k , and the reserved-memory of 512M is 117404K . Dele...

Question : How to Enter Sleep-mode ? Answer. Please refer to section 3.1.6 " Power Management " in the document UM_EN_MA35D1_Linux_BSP.pdf. Power management.png The relevant code can be found in the TFA (Trusted Firmware-A) file ma35d1_pm.c located in the directory plat/nuvoton/ma35d1/. #MA35D1, #s...