Product Overview：

The Marvell 88E6122-B2-LKJ1I000 is a highly integrated, low-power 7-port Fast Ethernet switch designed for cost-effective networking applications. It supports both managed and unmanaged configurations and features integrated PHYs, making it ideal for embedded, industrial, and consumer Ethernet applications.

Key Features：

Integrated 7-port 10/100Mbps Ethernet switch

Supports IEEE 802.1Q VLAN tagging and QoS

On-chip MACs and PHYs for simplified board design

Supports port-based and tag-based VLANs

Low power consumption with advanced power management

MII/RMII/RGMII/SSMII interface options

Loopback and diagnostic capabilities

Configurable via EEPROM or host processor (optional management)

Typical Applications：

Embedded and industrial Ethernet switches

IP cameras and surveillance systems

Broadband gateway and home routers

IoT edge devices and network appliances

Automotive infotainment and telematics systems

Smart grid and building automation