Features
• Switch Management Capabilities
- 10/100/1000Mbps Ethernet switch basic functions:
frame buffer management, address look-up table,
queue management, MIB counters
- Non-blocking store-and-forward switch fabric assures
fast packet delivery by utilizing 4096 entry forwarding
table with 128kByte frame buffer
- Jumbo packet support up to 9000 bytes
- Port mirroring/monitoring/sniffing:
ingress and/or egress traffic to any port
- Rapid spanning tree protocol (RSTP) support for topology
management and ring/linear recovery
- Multiple spanning tree protocol (MSTP) support
• One Configurable External MAC Port
- Reduced Gigabit Media Independent Interface
(RGMII) v2.0
- Reduced Media Independent Interface (RMII) v1.2
with 50MHz reference clock input/output option
- Media Independent Interface (MII) in PHY/MAC mode
• Two Robust Integrated PHY Ports
- 1000BASE-T/100BASE-TX/10BASE-T IEEE 802.3
- Fast Link-up option significantly reduces link-up time
- Auto-negotiation and Auto-MDI/MDI-X support
- Energy-Efficient Ethernet (EEE) support with lowpower
idle mode and clock stoppage
- On-chip termination resistors and internal biasing for
differential pairs to reduce power
- LinkMD® cable diagnostic capabilities for determining
cable opens, shorts, and length
• Advanced Switch Capabilities
- IEEE 802.1Q VLAN support for 128 active VLAN
groups and the full range of 4096 VLAN IDs
- IEEE 802.1p/Q tag insertion/removal on per port basis
- VLAN ID on per port or VLAN basis
- IEEE 802.3x full-duplex flow control and half-duplex
back pressure collision control
- IEEE 802.1X (Port-Based Network Access Control)
- IGMP v1/v2/v3 snooping for multicast packet filtering
- IPv6 multicast listener discovery (MLD) snooping
- IPv4/IPv6 QoS support, QoS/CoS packet prioritization
- 802.1p QoS packet classification with 4 priority queues
- Programmable rate limiting at ingress/egress ports
• EtherSynch® IEEE 1588v2 PTP
- Transparent Clock (TC) with auto correction update
- Master and slave Ordinary Clock (OC) support
- One-step mode of operation
- End-to-end (E2E) or peer-to-peer (P2P)
- PTP multicast and unicast message support
- PTP message transport over IPv4/v6 and IEEE 802.3
- IEEE 1588v2 PTP packet filtering
• Comprehensive Configuration Registers Access
- High-speed 4-wire SPI (up to 50MHz), I2C interfaces
provide access to all internal registers
- MII Management (MIIM, MDC/MDIO 2-wire) Interface
provides access to all PHY registers
- In-band management via any of the three ports
- I/O pin strapping facility to set certain register bits from
I/O pins at reset time
• Power Management
- IEEE 802.3az Energy Efficient Ethernet (EEE)
- Energy detect power-down mode on cable disconnect
- Dynamic clock tree control
- Unused ports can be individually powered down
- Full-chip software power-down
- Wake-on-LAN (WoL) standby power mode

Target Applications
• Industrial Ethernet (Profinet, MODBUS, Ethernet/IP)
• Real-time Ethernet networks
• Industrial control/automation switches
• Networked measurement and control systems
• Test and measurement equipment