HomeElectronics NewsMicroprocessor For Secure Industrial Systems

Microprocessor For Secure Industrial Systems

Industrial devices face space and security limits. This processor fits more power in less space and keeps systems safe. See more.

NuMaker-HMI-MA35D1-A1
NuMaker-HMI-MA35D1-A1

Industrial devices often face tight space constraints, complex PCB layouts, and strict cybersecurity requirements. The MA35D16AJ87C microprocessor from Nuvoton addresses these issues by combining processing power, compact design, and built-in security for industrial applications.

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It comes in a compact BGA312 package with 512 MB of DDR SDRAM stacked inside. This reduces PCB footprint, lowers electromagnetic interference (EMI), and simplifies board design, making it suitable for space-constrained environments such as factory automation, industrial IoT, new energy systems, smart buildings, and smart cities.

The processor combines dual 64-bit Arm Cortex-A35 cores with a Cortex-M4 real-time core. It supports 1080p display output with graphics acceleration and integrates a wide range of peripherals: 17 UARTs, 4 CAN-FD interfaces, 2 Gigabit Ethernet ports, 2 SDIO 3.0 interfaces, and 2 USB 2.0 ports. These features address diverse industrial requirements.

For IoT security, the microprocessor integrates Nuvoton’s independent Trusted Secure Island (TSI) hardware security module. It supports Arm TrustZone, Secure Boot, Tamper Detection, and a full hardware cryptographic engine suite. A true random number generator (TRNG) and key store are included, helping systems comply with international cybersecurity standards such as the Cyber Resilience Act (CRA) and IEC 62443.

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The processor is supported by the company’s Linux and RTOS platforms and is compatible with graphics libraries including Qt, emWin, and LVGL, enabling faster development cycles and lower costs. Targeted for industrial-grade applications, the MA35 Series comes with a 10-year product supply commitment.

Key Features

  • Dual 64-bit Arm Cortex-A35 cores plus a Cortex-M4 real-time core
  • Integrated TSI (Trusted Secure Island) security hardware
  • 512 MB DDR SDRAM stacked inside a 15 x 15 mm BGA312 package
  • Supports Linux and RTOS; compatible with Qt, emWin, and LVGL graphics libraries
  • Industrial temperature range: -40°C to +105°C
  • Applications: factory automation, industrial IoT, new energy, smart buildings, and smart cities
Nidhi Agarwal
Nidhi Agarwal
Nidhi Agarwal is a Senior Technology Journalist at Electronics For You, specialising in embedded systems, development boards, and IoT cloud solutions. With a Master’s degree in Signal Processing, she combines strong technical knowledge with hands-on industry experience to deliver clear, insightful, and application-focused content. Nidhi began her career in engineering roles, working as a Product Engineer at Makerdemy, where she gained practical exposure to IoT systems, development platforms, and real-world implementation challenges. She has also worked as an IoT intern and robotics developer, building a solid foundation in hardware-software integration and emerging technologies. Before transitioning fully into technology journalism, she spent several years in academia as an Assistant Professor and Lecturer, teaching electronics and related subjects. This background reflects in her writing, which is structured, easy to understand, and highly educational for both students and professionals. At Electronics For You, Nidhi covers a wide range of topics including embedded development, cloud-connected devices, and next-generation electronics platforms. Her work focuses on simplifying complex technologies while maintaining technical accuracy, helping engineers, developers, and learners stay updated in a rapidly evolving ecosystem.

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