The AX88772E is a USB 2.0 to 10/100M Fast Ethernet controller with integrated 10M/100M Fast Ethernet PHY. AX88772E supports Windows 11/10/8.x, Linux/Android/Chrome OS in-box drivers, and iOS/iPadOS/macOS/Linux native CDC-NCM driver for driverless, Plug & Play.
AX88772E
USB 2.0 to 10/100M Fast Ethernet Controller
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Overview
Features
● Single chip USB 2.0 to 10/100M Fast Ethernet Controller with Integrated 10M/100M Fast Ethernet PHY
Diagram
Development Board
AX88772E Demo Board
This is an AX88772E USB 2.0 to 10/100M Fast Ethernet dongle for users to verify AX88772E function on any platform that supports USB 2.0 host interface
FAQs
Driver Installation
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How to isolate AX88772E macOS driver cannot work fine issue after upgrading to new macOS system?
The AX88772E can use macOS inbox CDC-NCM driver and does not need to install driver.
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Where can I obtain the latest AX88772E drivers?
Please visit the AX88772E Driver Download web page
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Which AX88772E Windows driver should I download for my Windows system?
You can easily download the AX88772E Windows 11, 10, 8.x drivers setup programs from AX88772E Driver Download web page and then run the setup program to install a proper AX88772E Windows driver on your Windows machine directly.
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How can I install AX88772E Linux driver on my Android tablet PC?
No, it could not be done by end users. To install AX88772E Linux driver on your Android tablet PC, you have to recompile AX88772E Linux driver source on your target Android tablet platform and then you can install the compiled AX88772E Linux driver on your Android platform. It can only be done by the manufacturer of your Android tablet PC. Please contact the support guys of your Android platform manufacturer for further support if necessary.
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How to capture the VLAN tagged packets on Windows WireShark tool?
Please set the "Packet Priority & VLAN" parameter of ASIX USB to LAN Windows drivers to "Packet Priority & VLAN Disable" to capture the VLAN tagged packets on WireShark.
Design Considerations
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Where can I obtain the latest AX88772E datasheet, reference schematic and other hardware design archives?
Please register MyASIX membership and then download the latest AX88772E datasheet, reference schematic, gerber/PCB layout files and application design note from AX88772E Product web page directly.
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How to open the gerber files of AX88772E demo board?
You can open the gerber files of AX88772E demo board by running ORACLE's AutoVue Evaluation Revision tool (30 days evaluation date). Please visit ORACLE's web site for more details.
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How to open the PowerPCB PCB layout file of AX88772E demo board?
You can open the PowerPCB PCB layout file of AX88772E demo board by running Mentor Graphics PADS Layout Product Evaluation Software (No time limitation but with limited function). Please visit Mentor Graphics' web site for more details.
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Can ASIX help me to review my own AX88772E schematic and PCB layout?
Yes, please deliver your own AX88772E schematic and PCB layout files to ASIX's Support (support@asix.com.tw) for further review before making your own AX88772E PCB board.
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Do I need to develop AX88772E drivers by myself?
No, the AX88772E already supports available device drivers for most of operating systems such as Windows 11/10/8.x, Linux, macOS(Using macOS native CDC-NCM driver) etc. Please visit AX88772E Driver Download web page for details.
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What is the specification of 20MHz reference crystal of AX88772E demo board?
The 20MHz crystal signals of AX88772E demo board should be winthin 20MHz +- 30ppm. Please refer to AX88772E USB to Fast Ethernet Application Design Note for details.
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What is the reference 10/100 Ethernet transformer of the AX88772E demo board?
The reference Ethernet transformer on the AX88772E demo board is the Bothhand KLU1T041 (Turns Ratio 1CT:1CT, Auto-MDIX) single RJ-45 connector integrated 10/100 Base-T magnetic. Please refer to AX88772E USB to Fast Ethernet Application Design Note for details.
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Does AX88772E need external SPI flash.
No, AX88772E does not require an external SPI flash because the product firmware is stored inside the IC’s internal ROM. However, we recommend reserving external SPI flash circuit on the your AX88772E PCB board.
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How do I program the AX88772E eFuse?
ASIX Electronics provide Windows/Linux programming tools for customers to easily program AX88772E eFuse on a typical Windows/Linux platforms. These AX88772E programming tools support to customize the MAC address, Serial Number, LED setting, etc. for AX88772E based application systems in mass production.
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Do I have to assign a unique MAC address to every AX88772E based devices?
No, every AX88772E comes with a unique MAC address.
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Did the AX88772E pass the USB-IF compliant certification?
Yes, AX88772E demo board was certified by USB-IF.
Download
Hardware Design Documentation
AX88772E USB to Fast Ethernet Application Design Note
Software & Tools
Apple macOS Driver
Using macOS native CDC-NCM driverRelease Date
2025-11-05
Windows 11 64-bit Driver
For x64 CPU platform, HLK/WHCK certifiedWindows 11 64-bit HLK/WHCK drivers setup program
For x64 CPU platform, HLK/WHCK certifiedWindows 11 ARM 64-bit Driver
For ARM x64 CPU platform, HLK/WHCK certifiedWindows 11 ARM 64-bit HLK/WHCK drivers setup program
For ARM x64 CPU platform, HLK/WHCK certifiedWindows 10 64-bit Driver
For x64 CPU platform, HLK/WHCK certifiedWindows 10 64-bit HLK/WHCK drivers setup program
For x64 CPU platform, HLK/WHCK certifiedWindows 8 32-bit Driver
For x86 CPU platform, HLK/WHCK certifiedWindows 8 64-bit Driver
For x64 CPU platform, HLK/WHCK certifiedUEFI X64/IA32 Drivers
For UEFI X64/IA32 platformsUEFI ARM/AARCH64 Drivers
For UEFI ARM/AARCH64 platforms