Beijing, China (September 9, 2026) - Leading semiconductor device supplier GigaDevice (stock code: 603986.SH; 3986. HK) announced that it will present its optical module solutions for MCU, Flash, and analog product lines at the 27th China International Optoelectronics Expo (CIOE 2026, booth number: Hall 13, 13A17) held at the Shenzhen International Convention and Exhibition Center from September 9 to 11. Among them, the GD32E511/512 and GD32E251/252 series optical module dedicated MCUs released this year will be showcased at this exhibition; As of now, the cumulative shipment of specialized MCUs for optical modules by Zhaoyi Innovation has reached nearly 100 million units, firmly ranking among the core suppliers of optical module MCUs.

The large-scale deployment of AI large model training and inference clusters is pushing data center optical interconnection to a new level. From the commercial scale of 800G to the accelerated implementation of 1.6T, optical modules, as the core connection nodes of computing power networks, have significantly accelerated their speed iteration and technological evolution pace, which puts higher demands on system DFM, storage and power management chips in terms of high performance, reliability, and small packaging. Zhaoyi Innovation relies on the collaborative advantages of MCU, Flash, and analog product lines to provide diversified chip solutions for optical module customers.

GD32 optical module dedicated MCU, with nearly 100 million units shipped to build core market advantages. Since the launch of its first dedicated MCU for optical modules in 2020, Zhaoyi Innovation has continued to delve into the field of optical communication, with products covering mainstream optical module and equipment customers both domestically and internationally. The focus of this exhibition is to showcase the GD32E512/E511 and GD32E252/E251 series MCUs and related optical module applications. Among them, the GD32E511/512 series MCU is equipped with Arm Cortex-M33 high-performance core, supporting key specifications such as small package, large capacity dual bank Flash, I3C communication protocol, etc., suitable for 400G~1.6T high-speed scenarios; The GD32E251/252 series MCU is equipped with an Arm Cortex-M23 core, which integrates multiple DACs, high-precision temperature sensors, and is suitable for low-speed scenarios such as access networks and fronthaul.



中国北京（2026年9月9日）——业界领先的半导体器件供应商兆易创新GigaDevice（股票代码：603986.SH；3986.HK）宣布，将携MCU、Flash、模拟三大产品线的光模块解决方案出席9月9日至11日在深圳国际会展中心举办的第27届中国国际光电博览会（CIOE 2026，展位号：13号馆13A17）。其中，今年发布的GD32E511/512、GD32E251/252系列光模块专用MCU将在本次展会上集中展示；截至目前，兆易创新光模块专用MCU累计出货量已近亿颗，稳居光模块MCU核心供应商之列。

AI大模型训练与推理集群的规模化部署，正在将数据中心光互联推向新的量级。从800G规模商用到1.6T加速落地，光模块作为算力网络的核心连接节点，其速率迭代与技术演进节奏明显加快，对系统DFM、存储与电源管理芯片在高性能、可靠性、小封装等方面提出了更高要求。兆易创新依托MCU、Flash、模拟三大产品线协同优势，为光模块客户提供多元芯片解决方案。

GD32光模块专用MCU，近亿颗出货构筑核心市场优势。兆易创新自2020年推出首颗光模块专用MCU以来，持续深耕光通信赛道，产品全面覆盖海内外主流光模块与设备客户。本次展会重点展示GD32E512/E511与GD32E252/E251系列MCU及相关光模块应用。其中，GD32E511/512系列MCU搭载Arm Cortex-M33高性能内核，支持小封装、大容量双Bank Flash、I3C通信协议等关键规格，适用于400G~1.6T高速场景；GD32E251/252系列MCU则搭载Arm Cortex-M23内核，集成多路DAC、高精度温度传感器等，适用于接入网、前传等低速场景。



GD25 series highly reliable SPI NOR Flash provides firmware storage for optical modules. Zhaoyi Innovation GD25/55 SPI NOR Flash, with its advantages of full capacity coverage, high performance, high reliability, and ultra small packaging, has become an ideal storage solution for optical communication equipment. Currently, it has been shipped in large quantities to top customers both domestically and internationally. The focus of this exhibition is to showcase the GD25WD/WQ series SPI NOR Flash products, covering a capacity of 4Mb to 16Mb, with a wide voltage design of 1.65-3.6V, supporting industrial grade wide temperature operation from -40 ℃ to+105 ℃, with WP write protection, OTP protection and other functions. The USON8 3mm × 2mm ultra small package can fully meet the design requirements of optical modules for high temperature operation and limited space.

GD30 series efficient power management, driving the energy efficiency upgrade of optical modules. With the continuous improvement of optical module speed, power consumption and thermal management pressure continue to increase, and efficient and compact power management solutions have become a key aspect of optical module design. The Zhaoyi Innovation Simulation Product Line highlighted multiple power solution boards: GD30DM1113/GD30DM1116B high-speed optical module DSP step-down power module supports 3A/6A continuous working current respectively; The GD30LS4171 load switch with current monitoring function supports 7A continuous working current and is suitable for 400-800G high-speed optical modules. The real-time output current monitoring accuracy is as high as ± 3%, and it has 200ns fast short-circuit protection.

Full stack collaboration, enabling high-speed optical connectivity for the future. Unlike a single chip supplier, the unique advantage of Zhaoyi Innovation in the field of optical modules lies in the collaborative ability of the MCU, Flash, and analog product lines. Customers can simultaneously complete the selection and adaptation of core chips such as control, storage, and power management, effectively shortening the research and development cycle and reducing supply chain management costs. In the future, Zhaoyi Innovation will continue to deepen its layout in the sub field of optical communication, driving product innovation and upgrading with hardcore technology, and laying a solid foundation for the high-speed optical interconnection industry upgrade of AI computing power centers and next-generation network infrastructure.



GD25系列高可靠SPI NOR Flash，护航光模块固件存储。兆易创新GD25/55 SPI NOR Flash凭借全容量覆盖、高性能、高可靠性及超小封装等优势，已成为光通信设备的理想存储解决方案，目前已在国内外头部客户大批量出货。本次展会重点展示GD25WD/WQ系列SPI NOR Flash产品，覆盖4Mb至16Mb容量，采用1.65~3.6V宽电压设计，支持工业级-40℃至+105℃宽温运行，具备WP写保护、OTP保护等功能，采用USON8 3mm×2mm超小封装，可充分满足光模块对高温运行和空间受限的设计需求。

GD30系列高效电源管理，驱动光模块能效升级。随着光模块速率不断提升，功耗与热管理压力持续增大，高效、紧凑的电源管理方案成为光模块设计的关键环节。兆易创新模拟产品线重点展示了多款电源方案板：GD30DM1113/GD30DM1116B高速光模块DSP降压电源模块分别支持3A/6A连续工作电流；GD30LS4171带电流监控功能的负载开关支持7A连续工作电流，适用于400-800G高速光模块，实时输出电流监测精度高达±3%，具备200ns快速短路保护。

全栈协同，芯启高速光联未来。不同于单一芯片供应商，兆易创新在光模块领域的独特优势在于MCU、Flash、模拟三大产品线的协同能力，客户可同时完成控制、存储、电源管理等核心芯片的选型与适配，有效缩短研发周期、降低供应链管理成本。未来，兆易创新将持续深化在光通信细分赛道的布局，以硬核技术驱动产品创新升级，为AI算力中心及下一代网络基础设施的高速光互联产业升级筑牢算力根基。

(Using AI translation)

（使用AI翻译）