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 diagram of WPG's industrial PLC solution based on ST products

    Under the wave of Industry 4.0, the Chinese programmable logic controller (PLC) market has ushered in unprecedented development opportunities. As the core of industrial automation control, PLC not only can achieve complex functions such as logical operations, sequential control, timing and counting, but also greatly enhance the automation level and efficiency of the production process by connecting with the digital or analog input/output of various mechanical equipment. To promote the development of PLCS, WPG has launched an industrial PLC solution based on ST STM32MP257FAK3 MPU. This solution features high performance, multiple interfaces, and high security, which can help enterprises achieve intelligent upgrades and efficient operations in their production processes.

    The STM32MP257FAK3 is a high-performance microprocessor unit (MPU) under ST. It integrates dual-core Arm Cortex-A35 (with a main frequency of up to 1.5GHz) and Arm Cortex-M33 (with a main frequency of 400MHz) processors. It not only provides powerful computing capabilities but also supports real-time task processing. Ensure the efficient operation of the system. In addition, the STM32MP257FAK3 is equipped with multiple Ethernet interfaces, which greatly enriches its application scenarios and scalability. In terms of security, this 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, providing reliable security guarantees for industrial automation systems.

    In addition, The solution is also equipped with ST STPMIC25APQR power management IC, TOSHIBA TLP2160 optical isolator, Nanya Technology NT5AD512M16C4-JRI memory chip, and Microchip Products such as KSZ8081MNX Ethernet transceiver, Windisk W25Q32JVSS flash memory, Samsung KLM8G1GETF-B041 memory chip and TI SN74AHC595PWR shift register. The integration of these outstanding 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 technological 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, supporting TSN (optional), one Gigabit Ethernet switch connected to ETH1, providing two external PHY interfaces, supporting TSN (optional);
Two Octo-SPI flash memory interfaces, supporting real-time content decryption;
    Security: Supports secure boot, TrustZone peripheral devices, active tampering, environment monitor, display security layer, hardware accelerator, and a complete resource isolation framework;
    AES-128, -192, -256, DES/TDES, Secure AES-256, RSA with SCA, ECC, ECDSA, HASH (SHA-1, SHA224, SHA256, SHA3), HMAC;
    Up to 172 secure I/O ports with interrupt functionality;
    Artificial Intelligence: Optional NPU, VeriSilicon up to 900MHz, TensorFlowLite - ONNX - Linux NN;
    Up to 34 timers and 7 watchdogs.

Scheme specifications:
    Voltage: 24V power supply;
    EtherCAT, Modbus, CANopen;"
    EtherCAT: Synchronization cycle 2ms/32 axes;
    16-input / 8-output switch quantity interface;
    4-in / 4-out analog measurement ports;
    4-channel high-speed input;
    Supports six programming languages;
    Supports convenient cascading expansion;
    Interconnected and friendly, with convenient networking.
    Support multiple communication methods;
    It has a wide range of applications.
    Programming-friendly, easily complete advanced applications.

Regarding WPG Holdings:

    WPG Holdings is an internationally leading semiconductor component distributor dedicated to the Asia-Pacific market. Founded in 2005, it is celebrating its 20th anniversary this year. Its headquarters is located in Taipei. It has subsidiaries including Shiping, Pinjia, Quandin and Youshang, with approximately 5,000 employees. It represents over 250 product suppliers and has 69 service locations worldwide. The turnover in 2024 reached NT $880.55 billion. WPG has established an industrial holding platform, focusing on international operational scale and local flexibility. It has long been deeply engaged in the Asia-Pacific market, with the vision of being the "preferred channel benchmark for the industry". It fully implements the core values of "teamwork, integrity, professionalism, and efficiency", and has been recognized with the "Global Distributor Excellence Award" for 24 consecutive years. At the same time, it is continuously committed to strengthening ESG sustainable development. It has been awarded international recognition for three consecutive years and received an A-level MSCI ESG rating. Facing the new manufacturing trends, WPG is committed to transforming into a Data-Driven enterprise, establishing an online digital platform - "Dada Network", and advocating the intelligent Logistics Service (LaaS, Logistics as a Service) model to assist customers in jointly addressing the challenges of intelligent manufacturing. Wudun starts from good intentions, builds trust through technology, and takes "co-creating partner value to shape the future" as its corporate mission. It hopes to work with the industry to "unite forces" and jointly build a competitive and cooperative ecosystem.

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