On July 21, 2025, WPG Holdings, a leading international semiconductor component distributor dedicated to the Asia-Pacific market, announced that its subsidiary Youshang has launched an industrial PLC solution based on STMicroelectronics (ST) STM32MP257FAK3 MPU.

Figure 1-Display board of WPG Youshang's industrial PLC solution based on ST products

Under the wave of Industry 4.0, China's programmable logic controller (PLC) market has ushered in unprecedented development opportunities. As the core of industrial automation control, PLC can not only realize complex functions such as logical operations, sequential control, timing and counting, but also greatly improve the automation level and efficiency of the production process through digital or analog input/output connections with various mechanical equipment. In order to promote the development of PLC, WPG Youshang launched an industrial PLC solution based on ST STM32MP257FAK3 MPU. The solution has the characteristics of high performance, multiple interfaces and high security, which can help enterprises realize intelligent upgrades and efficient operations of the production process.

STM32MP257FAK3 is a high-performance microprocessor unit (MPU) under ST. It integrates dual-core Arm Cortex-A35 (up to 1.5GHz) and Arm Cortex -M33 (400MHz) processors, which not only provides powerful computing power, but also supports real-time processing tasks to ensure efficient operation of the system. In addition, STM32MP257FAK3 is also equipped with multiple Ethernet interfaces, which greatly enriches its application scenarios and scalability. In terms of security, the chip integrates security functions such as Secure Boot, TrustZone peripherals, active tampering detection, environmental monitoring, as well as hardware accelerators and a complete resource isolation framework to provide reliable security protection for industrial automation systems.

Figure 3 shows the block diagram of the industrial PLC solution of Dalian Dayoushang based on ST products

In addition, the solution also carries ST STPMIC25APQR power management IC, TOSHIBA TLP2160 optical isolator, Nanya NT5AD512M16C4-JRI storage chip, Microchip KSZ8081MNX Ethernet transceiver, Winbond Electronics W25Q32JVSS flash memory, Samsung KLM8G1GETF-B041 storage chip and TI SN74AHC595PWR shift register and other products. The integration of these excellent components further ensures the efficient operation and data security of the PLC system in complex industrial environments, providing strong support for accelerating the process of industrial automation.

Core technology advantages:

STM32MP257FAK3 MPU: dual Arm Cortex-A35@1.5GHz, ArmCortex-M33@400MHz, 3×Ethernet (2+1 switch), 3×FD-CAN, LVDS/DSI, H.264, 3D GPU, AI/NN, Secure Boot, Cryptography, DRAM enc/dec, PKA;

Two Gigabit Ethernet interfaces, support TSN (optional), one Gigabit Ethernet switch connected to ETH1, providing two external PHY interfaces, support TSN (optional);

Two Octo-SPI flash interfaces, support instant content decryption;

Security: support secure boot, TrustZone peripherals, active tampering, environmental monitor, display security layer, hardware accelerator and complete resource isolation framework;

AES-128, -192, -256, DES/TDES, Secure AES-256, RSA with SCA, ECC, ECDSA, HASH (SHA-1, SHA-224, SHA-256, SHA3), HMAC;

Up to 172 secure I/O ports with interrupts;

Artificial Intelligence: Optional NPU, VeriSilicon up to 900MHz, TensorFlowLite - ONNX - Linux NN;

Up to 34 timers and 7 watchdogs.

Solution specifications:

Voltage: 24V power supply;

EtherCAT, Modbus, CANopen;

EtherCAT: synchronization cycle 2ms/32 axes;

16-input/8-output switch interface;

4-input/4-output analog port;

4-way high-speed input;

Support six programming languages;

Support cascade expansion and convenience;

Interconnection-friendly and convenient networking;

Support multiple communication methods;

Wide range of applications;

Programming-friendly, easy to complete advanced applications.

About WPG Holdings:

WPG Holdings is an international leading semiconductor component distributor dedicated to the Asia-Pacific market. It was established in 2005 and celebrates its 20th anniversary this year. It is headquartered in Taipei and owns World Peace, Pinjia, Quanding and Youshang. It has approximately 5,000 employees, more than 250 product suppliers, 69 service locations worldwide, and a turnover of NT$880.55 billion in 2024. WPG created an industry holding platform, focusing on international operation scale and local flexibility, and has long been deeply involved in the Asia-Pacific market. With the vision of "Industry's First Choice and Channel Benchmark", it fully implements the core values of "Team, Integrity, Professionalism, and Efficiency". It has won the "Global Distributor Excellence Award" for 24 consecutive years. At the same time, it continues to be committed to strengthening ESG sustainable development and has won international recognition for 3 consecutive years, and the MSCI ESG rating A award. Facing the new manufacturing trend, WPG strives to transform into a data-driven enterprise, build an online digital platform - "Dada.com", and advocate the intelligent logistics service (LaaS, Logistics as a Service) model to help customers face the challenges of intelligent manufacturing together. WPG starts from good intentions, builds trust with technology, and takes "creating partner value and achieving the future" as its corporate purpose, hoping to "join forces with the industry to build a large competitive ecosystem".

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