AX88279

The AX88279 is a USB 3.2 Gen1 to 2.5G Ethernet controller with integrated 2.5G/1G/100M Base-T Ethernet PHY. AX88279 supports Precision Time Protocol (PTP), Microsoft Modern Standby, etc. advanced features, and supports Windows 11/10/8.x, Linux/Android/Chrome OS, Nintendo Switch in-box drivers, and iOS/iPadOS/macOS/Linux native CDC-NCM driver for driverless, Plug & Play.

The AX88279 is an easy-design, small form factor and cost-efficient solution, which adapts to any platforms required to support 2.5G Ethernet network connectivity via USB port and is suitable for Desktop/Notebook/POS, USB Ethernet dongles, docking stations, smart mobile device cradles, game consoles, smart camera/IP STB, 5G/LTE router/gateway, etc. smart home/office applications.

Features

● Single chip USB 3.2 Gen1 to 2.5G Ethernet Controller with Integrated 2.5G/1G/100M Base-T Ethernet PHY
● USB Device Controller
-- Integrates on-chip USB Type-C 3.2 Gen1 PHY and Controller compliant to USB Spec 3.2 Gen1, 2.0 -- and 1.1
-- Supports all USB 3.2 Gen1 Power Saving modes (U0, U1, U2, and U3)
-- Supports USB Super/High/Full Speed ​​modes with Bus-power or Self-power device
● 2.5G Ethernet Controller
-- Integrates 2.5G/1G/100M Base-T Ethernet MAC/PHY, compliant to IEEE 802.3, 802.3u, 802.3ab and 802.3bz
-- Integrated XGMII/GMII/MII MAC, 2.5G/1G/100M Base-T PCS/PMA
-- Supports CDC-NCM, CDC-ECM
-- Supports IEEE 802.3az (Energy Efficient Ethernet, EEE)
-- 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 up to 9K Jumbo Frame
-- 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 L2 Priority Encoding and Decoding
-- Supports Manageability L2 Filter
-- Supports TCO Filter, L3/L4 IP/Port Filter
-- Supports Second DA RX Filter with bit mask
● Precision Time Protocol (PTP)
-- Supports IEEE 1588v2 and 802.1AS
-- Supports Ordinary and Boundary clock
-- Supports 1-step and 2-step Clock Synchronization
-- Supports IEEE 802.3, UDP/IPv4, and UDP/IPv6 Protocol Encapsulations
● 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
● Supports Windows 11/10/8.x, Linux/Android/Chrome OS, Nintendo Switch In-box Drivers, and iOS/iPadOS/macOS/Linux Native CDC-NCM Driver for Driverless, Plug & Play
● Supports embedded eFuse for die identifier and customized USB ID and Ethernet MAC address
● Supports SPI Flash for firmware customization
● Single 25 MHz Crystal clock source
● Integrates on-chip Power-On Reset circuit
● 60-pin QFN, 7x7 mm package
● Operating Temperature Range: 0 to +70°C