AX88279A

The AX88279A is a USB 3.2 Gen1 to 2.5G Ethernet controller with integrated 2.5G/1G/100M/10M Ethernet PHY. AX88279A supports Time-Sensitive Networking (TSN), 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 macOS/Linux native CDC-NCM driver for driverless, Plug & Play.

The AX88279A 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 edge AI computers, 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.

● Single chip USB 3.2 Gen1 to 2.5G Ethernet Controller with Integrated 2.5G/1G/100M/10M 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/10M Ethernet MAC/PHY
• Compliant with 10BASE-Te (IEEE 802.3), 100BASE-TX (IEEE 802.3u), 1000BASE-T (IEEE 802.3ab) and 2.5GBASE-T (IEEE 802.3bz) standards
• 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 up to 16K 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
• Supports Per-packet Timestamp

● Time-Sensitive Networking (TSN)

• IEEE 802.1Qav: Forwarding and Queuing of Time Sensitive Streams (FQTSS) : Specifies Credit-Based Shaper (CBS)
• IEEE 802.3br & IEEE 802.1Qbu: Frame Preemption
• IEEE 802.1Qbv: Time-Aware Shaper (TAS)

● 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, Linux/Android/Chrome OS, Nintendo Switch In-box Drivers, and 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

● 56-pin QFN, 7x7 mm package

● Operating Temperature Range: 0 to +70°C