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LAN9311 Datasheet, PDF (1/461 Pages) SMSC Corporation – Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface | |||
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LAN9311/LAN9311i
Two Port 10/100 Managed Ethernet Switch with 16-Bit
Non-PCI CPU Interface
PRODUCT FEATURES
Highlights
ï® High performance and full featured 2 port switch with
VLAN, QoS packet prioritization, Rate Limiting, IGMP
monitoring and management functions
ï® Easily interfaces to most 16-bit embedded CPUâs
ï® Unique Virtual PHY feature simplifies software
development by mimicking the multiple switch ports
as a single port MAC/PHY
ï® Integrated IEEE 1588 Hardware Time Stamp Unit
Target Applications
ï® Cable, satellite, and IP set-top boxes
ï® Digital televisions
ï® Digital video recorders
ï® VoIP/Video phone systems
ï® Home gateways
ï® Test/Measurement equipment
ï® Industrial automation systems
Key Benefits
ï® Ethernet Switch Fabric
â 32K buffer RAM
â 1K entry forwarding table
â Port based IEEE 802.1Q VLAN support (16 groups)
â Programmable IEEE 802.1Q tag insertion/removal
â IEEE 802.1d spanning tree protocol support
â QoS/CoS Packet prioritization
â 4 dynamic QoS queues per port
â Input priority determined by VLAN tag, DA lookup,
TOS, DIFFSERV or port default value
â Programmable class of service map based on input
priority
â Remapping of 802.1Q priority field on per port basis
â Programmable rate limiting at the ingress/egress
ports with random early discard, per port / priority
â IGMP v1/v2/v3 monitoring for Multicast packet filtering
â Programmable filter by MAC address
ï® Switch Management
â Port mirroring/monitoring/sniffing: ingress and/or egress
traffic on any ports or port pairs
â Fully compliant statistics (MIB) gathering counters
â Control registers configurable on-the-fly
Datasheet
ï® Ports
â 2 internal 10/100 PHYs with HP Auto-MDIX support
â Fully compliant with IEEE 802.3 standards
â 10BASE-T and 100BASE-TX support
â Full and half duplex support
â Full duplex flow control
â Backpressure (forced collision) half duplex flow control
â Automatic flow control based on programmable levels
â Automatic 32-bit CRC generation and checking
â Automatic payload padding
â 2K Jumbo packet support
â Programmable interframe gap, flow control pause value
â Full transmit/receive statistics
â Auto-negotiation
â Automatic MDI/MDI-X
â Loop-back mode
ï® High-performance host bus interface
â Provides in-band network communication path
â Access to management registers
â Simple, SRAM-like interface
â 16-bit data bus
â Big, little, and mixed endian support
â Large TX and RX FIFOâs for high latency applications
â Programmable water marks and threshold levels
â Host interrupt support
ï® IEEE 1588 Hardware Time Stamp Unit
â Global 64-bit tunable clock
â Master or slave mode per port
â Time stamp on TX or RX of Sync and Delay_req
packets per port, Timestamp on GPIO
â 64-bit timer comparator event generation (GPIO or IRQ)
ï® Comprehensive Power Management Features
â Wake on LAN
â Wake on link status change (energy detect)
â Magic packet wakeup
â Wakeup indicator event signal
ï® Other Features
â General Purpose Timer
â Serial EEPROM interface (I2C master or MicrowireTM
master) for non-managed configuration
â Programmable GPIOs/LEDs
ï® Single 3.3V power supply
ï® Available in Commercial & Industrial Temp. Ranges
SMSC LAN9311/LAN9311i
DATASHEET
Revision 2.0 (02-14-13)
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