WCH CH32H417 dual-core RISC-V MCU offers USB 3.0, 500MB/s UHSIF, and Fast Ethernet interfaces - CNX Software

Abstract

WCH has announced the CH32H417, a new dual-core RISC-V MCU designed for high-speed data handling in embedded systems. The key innovation is the integration of advanced connectivity features, including native USB 3.0 support and a proprietary 500MB/s Ultra-High Speed Interface (UHSIF). This powerful combination, alongside standard Fast Ethernet, positions the CH32H417 as a highly capable and versatile option for data-intensive applications.

Report

WCH CH32H417 Dual-Core RISC-V MCU Analysis

Key Highlights

• WCH launched the CH32H417, a powerful new dual-core Microcontroller Unit (MCU) based on the RISC-V instruction set architecture.
• The chip integrates advanced, high-bandwidth interfaces, most notably native support for USB 3.0.
• It features a proprietary Ultra-High Speed Interface (UHSIF) capable of delivering throughput up to 500MB/s (MegaBytes per second).
• Standard network connectivity is also included via a Fast Ethernet interface.

Technical Details

• Architecture: Dual-core RISC-V configuration, providing parallel processing capabilities for embedded tasks.
• High-Speed I/O: USB 3.0 connectivity, allowing the MCU to function as a high-bandwidth device or host.
• Data Transfer Rate: 500MB/s maximum throughput achieved through the dedicated UHSIF.
• Networking: Fast Ethernet (10/100 Mbps) support, facilitating industrial control or standard internet communication.

Implications

• Elevated MCU Performance Tier: The integration of USB 3.0 pushes this RISC-V MCU into performance categories previously reserved for high-end ARM or specialized solutions, making RISC-V viable for complex applications like rapid prototyping, video streaming, or high-speed data acquisition.
• Wider RISC-V Adoption: The availability of highly integrated chips with robust peripheral sets accelerates the adoption of RISC-V in professional and industrial markets that demand high data throughput and standardized high-speed interfaces.
• Competitive Landscape Shift: By offering features like 500MB/s proprietary interfaces and USB 3.0, WCH strengthens its position as a major contender in the embedded silicon market, providing high-performance alternatives to established players at potentially lower cost points.