ASIX Electronics Corp.
Taiwanese fabless semiconductor company specializing in industrial, embedded, USB networking, and I/O interface controller solutions.
Last updated August 31, 2026
Overview
ASIX Electronics Corp. is a Taiwan-based fabless integrated-circuit design company whose products connect computers, embedded systems, industrial equipment, and networked devices. The company was established in May 1995 and is headquartered in Hsinchu Science Park, one of Taiwan’s principal semiconductor and technology clusters. Rather than manufacturing wafers itself, ASIX develops controller architectures, system-on-chip products, interface devices, software support, and reference solutions that are manufactured through external semiconductor foundries and integrated by equipment makers and solution providers. ASIX’s early business was centered on personal-computer networking chips. During 1998 and 1999, it entered the notebook networking market and became a leading supplier in the PCMCIA Ethernet-controller segment. That expansion helped the company move beyond its break-even point and establish a profitable commercial base. From 2000 onward, ASIX broadened its scope from conventional PC networking toward embedded Ethernet and USB Ethernet controllers, serving peripherals, office equipment, smart-home products, and other connected devices. The company’s portfolio now spans several related connectivity categories. Its industrial Ethernet business includes EtherCAT slave, also called SubDevice Controller, products and time-sensitive networking solutions intended for factory automation, smart manufacturing, industrial computers, and Industrial Internet of Things applications. ASIX introduced what the cited reference describes as Greater China’s first EtherCAT slave-controller chip in 2018, marking a strategic move into industrial networking beyond consumer and PC connectivity. The company also offers solutions linking EtherCAT environments with IO-Link sensors and actuators. In USB networking, ASIX supplies high-speed and SuperSpeed USB-to-Ethernet controllers used in adapters, docking products, computer peripherals, smart-home equipment, and office networking devices. Its embedded Ethernet products support non-PCI, SRAM-like, and SPI-based system designs, allowing network connectivity to be added to embedded platforms with different host interfaces. The company’s I/O connectivity portfolio includes PCI Express, PCI, and USB bridge products for serial, parallel, UART, RS-232, RS-485, SPI, local-bus, and other industrial or computer interfaces. Complementary UART transceivers support common RS-232 and RS-485 implementations. ASIX also develops microcontroller and system-on-chip products, including USB KVM-switch controllers, Wi-Fi network chips, and embedded Ethernet single-chip solutions. These products extend the company’s role from discrete interface controllers into more integrated connectivity platforms for office, embedded, and smart-home applications. Corporate expansion has included acquisitions and strategic investment. In August 2011, ASIX acquired the I/O Connectivity product line of India-based MosChip Semiconductor Technology Ltd., adding PCIe bridge, PCI bridge, and USB bridge products. In November 2014, it acquired all equity in U.S.-based Zywyn Corporation for US$8 million, according to the cited reference. On December 16, 2020, Airoha Technology, a MediaTek Group subsidiary, acquired a 20 percent stake in ASIX through a private placement of common shares. ASIX has been listed on Taiwan’s over-the-counter market since 2009. Its present positioning is that of a specialist connectivity-chip supplier focused on industrial automation, embedded networking, computer peripherals, and interface conversion rather than a consumer-facing electronics brand.
History
ASIX Electronics was founded in May 1995 in Taiwan as a fabless IC design business. Its initial focus was PC networking, a market in which controller chips provided the interface between computers and wired networks. In 1998 and 1999, ASIX entered the notebook networking segment and achieved a leading position in PCMCIA Ethernet controllers. The resulting growth allowed the company to pass the break-even point and establish profitability. Beginning in 2000, ASIX expanded beyond PC networking into embedded Ethernet and USB Ethernet controllers. This broadened the company’s addressable market from desktop and notebook computers to peripherals, embedded products, office equipment, and smart-home devices. Its embedded Ethernet portfolio was designed for systems using different host interfaces, including non-PCI or SRAM-like connections and SPI interfaces. Its USB Ethernet products served the growing market for network adapters and peripheral connectivity. ASIX subsequently developed a wider I/O connectivity business. This included bridge controllers that translate among PCI Express, PCI, USB, UART, serial, parallel, SPI, local-bus, and other interfaces. In August 2011, the company acquired the I/O Connectivity product line of MosChip Semiconductor Technology Ltd., an Indian publicly listed semiconductor company. The acquired line included PCIe bridge, PCI bridge, and USB bridge series, strengthening ASIX’s position in industrial and computer I/O conversion. In November 2014, ASIX acquired 100 percent of the equity of Zywyn Corporation, a company based in the United States. The transaction, reported at US$8 million, expanded ASIX’s corporate assets and product capabilities in the I/O and connectivity field. ASIX had already become a public company on Taiwan’s over-the-counter market in 2009, where it trades under ticker 3169.TWO. The company’s later strategy placed greater emphasis on industrial networking and automation. In 2018, ASIX introduced an EtherCAT slave-controller chip described in the cited reference as the first of its kind in Greater China. EtherCAT products enabled the company to address factory automation, smart-factory infrastructure, industrial computers, and Industrial Internet of Things applications. ASIX’s industrial portfolio later included multiple EtherCAT SubDevice Controller families, a TSN PCIe Gigabit network-interface solution, and EtherCAT-to-IO-Link gateway and software-stack offerings. On December 16, 2020, Airoha Technology, a MediaTek Group subsidiary, acquired a 20 percent stake in ASIX through a private placement of common shares. The investment created a strategic relationship with a major Taiwan technology group while leaving ASIX identified as a specialist fabless connectivity-chip company. Its product range continued to include industrial Ethernet, USB Ethernet, embedded Ethernet, I/O bridge devices, UART transceivers, and connectivity-oriented microcontrollers and system-on-chip products. ASIX’s historical development therefore follows a progression from PC and notebook Ethernet controllers to a broader connectivity platform. The company combines discrete interface chips, embedded networking controllers, industrial Ethernet devices, transceivers, microcontrollers, and supporting software and reference designs. It remains primarily a business-to-business semiconductor supplier: its components are typically embedded in adapters, industrial computers, automation equipment, office products, smart-home devices, and other systems rather than sold directly to consumers under a prominent retail brand.
- 2020Airoha Technology investment
Airoha Technology, a MediaTek Group subsidiary, obtained a 20 percent interest in ASIX through a private placement.
- 2018EtherCAT industrial networking entry
ASIX introduced an EtherCAT slave-controller chip for industrial automation applications, described by the cited reference as the first such chip from Greater China.
- 2014Zywyn acquisition
ASIX acquired 100 percent of U.S.-based Zywyn Corporation.
- 2011MosChip I/O Connectivity acquisition
ASIX acquired MosChip Semiconductor Technology’s I/O Connectivity product line, including PCIe bridge, PCI bridge, and USB bridge series.
- 2009Taiwan OTC listing
ASIX became listed on Taiwan’s over-the-counter market under ticker 3169.TWO.
- 2000Expansion into embedded and USB Ethernet
The company broadened its business from PC networking chips into embedded Ethernet and USB Ethernet controllers.
- 1998Entry into notebook networking
ASIX entered the notebook networking chip market during 1998–1999 and became a leading supplier in the PCMCIA Ethernet-controller segment.
- 1995ASIX Electronics is founded
ASIX Electronics was established in Taiwan in May 1995 as a fabless integrated-circuit design company.
Products and positioning
A specialist fabless semiconductor supplier for industrial automation, embedded networking, computer peripherals, and serial, parallel, and industrial I/O connectivity.
AX58xxx EtherCAT SubDevice Controller familyIndustrial Ethernet chips
The AX58400, AX58200, AX58101, and AX58100 families provide EtherCAT slave or SubDevice Controller functions for industrial Ethernet systems. They are intended for factory automation, smart-factory equipment, industrial control devices, and Industrial Internet of Things designs. ASIX also identifies the AX58400 as a basis for EtherCAT-to-IO-Link gateway solutions.
AXM57104A TSN PCIe Gigabit NICIndustrial Ethernet chips
The AXM57104A is a time-sensitive networking PCIe Gigabit network-interface solution. It is positioned for industrial systems that require deterministic or time-aware Ethernet communication, including automation infrastructure, industrial computers, and smart-factory networking equipment.
AX88279A, AX88279, AX88179B, and AX88179AUSB Ethernet chips
These SuperSpeed USB-to-Ethernet controllers provide wired-network connectivity for USB adapters, docking products, computer peripherals, office equipment, and other systems that need Ethernet through a USB host interface. The family includes USB 3.2 and earlier USB implementations.
AX88772E and AX88772CUSB Ethernet chips
The AX88772E and AX88772C are high-speed USB-to-Ethernet controllers for peripherals and embedded products requiring a lower-speed USB networking interface. Typical applications include network adapters, office devices, and compact connected equipment.
AX88796C and AX88796BEmbedded Ethernet chips
ASIX’s embedded Ethernet controllers support non-PCI, SRAM-like, and related host interfaces for smart-home, office, and embedded networking products. The devices allow designers to add Ethernet connectivity to systems whose architecture does not use a conventional PCI or PCIe network interface.
AX99100APCIe I/O bridge chips
The AX99100A is a PCIe bridge solution for industrial computers and interface equipment. It supports designs involving serial and parallel ports, UART, RS-232, RS-485, SPI, local-bus, and other I/O-controller functions, allowing modern PCIe systems to connect with established industrial and peripheral interfaces.
AX78140 and AX78120USB I/O bridge chips
These USB bridge products support USB-to-serial and USB-to-parallel connectivity. They are intended for industrial computers, interface connectors, peripherals, and equipment that must connect USB hosts to UART, RS-232, RS-485, or parallel-device interfaces.
ZT and AX32xx UART transceiversUART transceivers
ASIX supplies 5-volt and 3-volt RS-232 and RS-485 transceivers, including ZT2xxE, ZT213F/AE, AX3243E/F, ZT32xxE/F, ZT1385E, ZT4xxE/H, ZT13085E, ZT3087E, ZT34xxE, and ZT307xE families. These devices serve industrial computers, serial interfaces, and other equipment requiring level conversion and robust wired communications.
AX68002 and AX68004USB KVM switch system-on-chip
The AX68002 and AX68004 integrate functions for USB KVM-switch applications. They are intended for office and computer-peripheral products that allow a keyboard, video, and mouse setup to control or serve multiple computing systems.
AX22001Wi-Fi network system-on-chip
The AX22001 is a Wi-Fi-oriented network system-on-chip product for smart-home, office, and embedded connectivity applications. It represents ASIX’s expansion from interface controllers into more integrated network-processing solutions.
AX11001, AX11005, AX11015, and AX11025Embedded Ethernet system-on-chip
The AX110xx products combine embedded Ethernet functionality in single-chip solutions for smart-home, office, and embedded applications. They are designed for products that require integrated network connectivity without relying on a separate conventional Ethernet controller architecture.
Flagship businesses
- AX58xxx EtherCAT SubDevice Controller family
- AXM57104A TSN PCIe Gigabit network-interface solution
- AX88xxx USB Ethernet controller family
- AX99xxx PCIe bridge products
- AX78xxx USB bridge products
- AX11xxx embedded Ethernet system-on-chip family
- AX22xxx Wi-Fi network system-on-chip family
Brand decisions
- 2020Private placement to Airoha TechnologyM&A
ASIX established a strategic capital relationship with a company belonging to the MediaTek Group.
What changed. On December 16, 2020, Airoha Technology acquired a 20 percent stake in ASIX through a private placement of common shares.
Aftermath. The transaction made Airoha a significant strategic shareholder while ASIX remained an independent listed connectivity-chip company.
Equity stake acquired. 20 percent (December 16, 2020)
- 2018Launch EtherCAT slave-controller technologyProduct launch
Industrial automation and smart-factory applications required specialized deterministic Ethernet connectivity.
What changed. ASIX introduced an EtherCAT slave-controller chip for industrial automation applications.
Aftermath. The launch marked a stronger move into industrial Ethernet, factory automation, and Industrial Internet of Things markets.
- 2014Acquire Zywyn CorporationM&A
ASIX continued expanding its connectivity and I/O technology assets through corporate acquisition.
What changed. On November 5, 2014, ASIX acquired 100 percent of the equity of U.S.-based Zywyn Corporation for US$8 million.
Aftermath. Zywyn became part of ASIX’s corporate and product-development structure.
Acquisition price. US$8 million (November 5, 2014)
- 2011Acquire MosChip I/O Connectivity product lineM&A
ASIX sought to expand its connectivity portfolio beyond Ethernet and USB networking into broader computer and industrial I/O interfaces.
What changed. In August 2011, ASIX acquired MosChip Semiconductor Technology’s I/O Connectivity product line, covering PCIe bridge, PCI bridge, and USB bridge products.
Aftermath. The transaction strengthened ASIX’s bridge-controller and interface-conversion business.
Recent events
- 2020Airoha Technology takes a 20 percent stake in ASIX
Airoha Technology, a MediaTek Group subsidiary, obtained a 20 percent interest in ASIX through a private placement of common shares.
M&A - 2014ASIX acquires Zywyn Corporation
ASIX acquired all outstanding equity of U.S.-based Zywyn Corporation in a transaction reported at US$8 million.
M&A - 2011ASIX acquires MosChip I/O Connectivity product line
The company acquired an I/O Connectivity product line from India-based MosChip Semiconductor Technology, adding PCIe bridge, PCI bridge, and USB bridge offerings.
M&A - 2009ASIX lists on the Taiwan OTC market
ASIX Electronics became listed on Taiwan’s over-the-counter market under ticker 3169.TWO.
Other
Sources
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