AX88772E

USB 2.0 to 10/100M Fast Ethernet Controller

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Overview

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.


The AX88772E is an easy-design, small form factor and cost-efficient solution, which adapts to any platforms required to support Fast Ethernet network connectivity via USB port and is suitable for Notebook/Laptop on-board LAN, USB Ethernet dongles, docking stations, POS/PDA cradles, game console, smart camera/IP STB, etc. smart home/office applications.

Features

● Single chip USB 2.0 to 10/100M Fast Ethernet Controller with Integrated 10M/100M Fast Ethernet PHY

● USB Device Controller
-- Integrates on-chip USB 2.0 PHY and controller compliant to USB Spec 2.0 and 1.1
-- Supports all USB 2.0 power saving modes (L0, L1 and L2)
-- Supports USB High/Full Speed ​​modes with Bus-power or Self-power device
● Fast Ethernet Controller
-- Integrates 10M/100M Fast Ethernet MAC/PHY, compliant to IEEE 802.3 and 802.3u
-- Supports CDC-NCM, CDC-ECM
-- Supports AUTO-MDIX, flow control (IEEE 802.3 Annex.31B)
-- Supports IPv4/IPv6 Packet Checksum Offload Engine (COE)
-- Supports TCP Large Send Offload V1/V2
-- Supports IEEE 802.1Q VLAN tagging and 4096 VLAN ID filtering; received VLAN tag (4 bytes) can be stripped off or preserved
-- Supports IEEE 802.1P Layer 2 Priority Encoding and Decoding
-- Supports manageability L2 filter
-- Supports TCO filter, L3/L4 IP/Port filter
-- Supports Second DA RX filter with bit mask
● Wake-on-LAN Functions
-- Supports suspend mode and remote wakeup via link-change, Magic Packet, Microsoft wakeup frame and external wakeup pin
-- Supports Bonjour Wake-on-Demand
-- Supports Wakeup Packet Indication
-- Supports Microsoft Modern Standby
● Advanced Power Management Features
-- Supports power management offload (ARP & NS)
-- Supports ECMA-393 ProxZzzy® for sleeping hosts
● Precision Time Protocol (PTP)
-- Supports IEEE 1588v2 and 802.1AS
● 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
● Supports embedded eFuse or external I2C EEPROM for die identifier and store USB device descriptors, Node-ID, etc.
● Supports SPI Flash for firmware customization
● Single 20 MHz crystal clock source
● Integrates on-chip power-on reset circuit
● 32-pin QFN, 4x4 mm package
● Operating Temperature Range: 0 to +70°C

Diagram

test

Development Board

test

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

  • 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.

  • Where can I obtain the latest AX88772E drivers?

    Please visit the AX88772E Driver Download web page

  • 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.

  • 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.

  • 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

  • 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.

  • 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.

  • 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.

  • 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.

  • 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.

  • 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.

  • 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.

  • 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.

  • 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.

  • Do I have to assign a unique MAC address to every AX88772E based devices?

    No, every AX88772E comes with a unique MAC address.

  • Did the AX88772E pass the USB-IF compliant certification?

    Yes, AX88772E demo board was certified by USB-IF.

Download

Technical Documentation

Product Brief, Product Introduction and Datasheet

AX88772E Product Brief

Release Date
2023-11-16

File Size
716.2 KB

AX88772E Product Introduction

Version
1.02

Release Date
2024-05-13

File Size
715.0 KB

AX88772E Datasheet

Version
1.02

Release Date
2024-01-17

File Size
1.1 MB

Reference Manuals and User Guides

AX88772E Mass Production User Guide

Release Date
2025-11-05

Reports

AX88772E Reliability Report

Release Date
2025-11-05

AX88772E RoHS Report

Release Date
2025-11-05

AX88772E Performance Test Report

Release Date
2025-11-05

AX88772E USB-IF Compliance Test Report

Release Date
2025-11-05

AX88772E IEEE 802.3 Compliance Test Reports

Release Date
2025-11-05

Hardware Design Documentation

Reference Schematics

AX88772E Demo Board Reference Schematic

Version
2.01

Release Date
2026-01-08

File Size
519.4 KB

Bill of Materials, Application Notes and Layout Guides

AX88772E Demo Board BOM File

Release Date
2025-11-28

File Size
190.8 KB

AX88772E USB to Fast Ethernet Application Design Note

Version
1.10

Release Date
2024-07-16

File Size
1.0 MB

PCB Layout, Gerber and IBIS Model

AX88772E Demo Board PCB Layout Files

Release Date
2023-11-21

File Size
125.5 KB

AX88772E Demo Board Gerber Files

Release Date
2023-11-21

File Size
90.9 KB

Software & Tools

Drivers

Apple macOS Driver

Using macOS native CDC-NCM driver

Release Date
2025-11-05

Linux kernel up to 6.9.0 driver

Version
3.5.0

Release Date
2025-02-24

File Size
51.4 KB

Windows 11 64-bit Driver

For x64 CPU platform, HLK/WHCK certified

Version
3.22.3.0

Release Date
2024-09-04

File Size
95.5 KB

Windows 11 64-bit HLK/WHCK drivers setup program

For x64 CPU platform, HLK/WHCK certified

Version
2.0.3.0

Release Date
2025-09-26

File Size
15.2 MB

Windows 11 ARM 64-bit Driver

For ARM x64 CPU platform, HLK/WHCK certified

Version
3.22.3.0

Release Date
2024-09-04

File Size
91.7 KB

Windows 11 ARM 64-bit HLK/WHCK drivers setup program

For ARM x64 CPU platform, HLK/WHCK certified

Version
2.0.3.0

Release Date
2025-09-30

File Size
15.0 MB

Windows 10 64-bit Driver

For x64 CPU platform, HLK/WHCK certified

Version
3.20.2.0

Release Date
2024-06-14

File Size
93.2 KB

Windows 10 64-bit HLK/WHCK drivers setup program

For x64 CPU platform, HLK/WHCK certified

Version
2.0.2.0

Release Date
2025-09-26

File Size
15.4 MB

Windows 8 32-bit Driver

For x86 CPU platform, HLK/WHCK certified

Version
3.18.1.0

Release Date
2024-01-08

File Size
81.4 KB

Windows 8 64-bit Driver

For x64 CPU platform, HLK/WHCK certified

Version
3.18.1.0

Release Date
2024-01-08

File Size
90.3 KB

UEFI X64/IA32 Drivers

For UEFI X64/IA32 platforms

Version
3.2.0

Release Date
2022-04-07

File Size
32.5 KB

UEFI ARM/AARCH64 Drivers

For UEFI ARM/AARCH64 platforms

Version
3.2.0

Release Date
2022-04-07

File Size
25.5 KB

iPXE

For Intel x86/x64 platforms

Version
1.0.0

Release Date
2023-10-06

File Size
2.0 MB

Utilities

Windows Mass Production Tool

Release Date
2025-11-05