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LAN9220_12 Datasheet, PDF (1/151 Pages) SMSC Corporation – 16-bit Non-PCI Small Form Factor 10/100 Ethernet Controller with Variable Voltage I/O & HP Auto-MDIX Support | |||
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LAN9220
16-bit Non-PCI Small Form Factor
10/100 Ethernet Controller with
Variable Voltage I/O & HP Auto-MDIX
Support
PRODUCT FEATURES
Highlights
 Efficient architecture with low CPU overhead
 Easily interfaces to most 16-bit embedded CPUâs
 1.8V to 3.3V variable voltage I/O accommodates wide
range of I/O signalling without voltage level shifters
 Integrated PHY with HP Auto-MDIX support
 Integrated checksum offload engine helps reduce
CPU load
 Low pin count and small body size package for small
form factor system designs
Target Applications
 Cable, satellite, and IP set-top boxes
 Digital video recorders
 Video-over IP solutions, IP PBX & video phones
 Wireless routers & access points
 Audio distribution systems
 Printers, kiosks, security systems
 General embedded applications
Key Benefits
 Non-PCI Ethernet controller for standard performance
applications
â 16-bit interface
â Burst-mode read support
 Minimizes dropped packets
â Internal buffer memory can store over 200 packets
â Automatic PAUSE and back-pressure flow control
 Minimizes CPU overhead
â Supports Slave-DMA
â Interrupt Pin with Programmable Hold-off timer
 Reduces system cost and increases design flexibility
 SRAM-like interface easily interfaces to most
embedded CPUâs or SoCâs
 Reduced Power Modes
â Numerous power management modes
â Wake on LAN
â Magic packet wakeup
â Wakeup indicator event signal
â Link Status Change
Datasheet
 Single chip Ethernet controller
â Fully compliant with IEEE 802.3/802.3u standards
â Integrated Ethernet MAC and PHY
â 10BASE-T and 100BASE-TX support
â Full- and Half-duplex support
â Full-duplex flow control
â Backpressure for half-duplex flow control
â Preamble generation and removal
â Automatic 32-bit CRC generation and checking
â Automatic payload padding and pad removal
â Loop-back modes
 Flexible address filtering modes
â One 48-bit perfect address
â 64 hash-filtered multicast addresses
â Pass all multicast
â Promiscuous mode
â Inverse filtering
â Pass all incoming with status report
â Disable reception of broadcast packets
 Integrated 10/100 Ethernet PHY
â Supports HP Auto-MDIX
â Auto-negotiation
â Supports energy-detect power down
 Host bus interface
â Simple, SRAM-like interface
â 16-bit data bus
â 16Kbyte FIFO with flexible TX/RX allocation
â One configurable host interrupt
 Miscellaneous features
â Small form factor, 56-pin QFN lead-free RoHS
Compliant package
â Integrated 1.8V regulator
â Integrated checksum offload engine
â Mixed endian support
â General Purpose Timer
â Optional EEPROM interface
â Support for 3 status LEDs multiplexed with
Programmable GPIO signals
 Single 3.3V Power Supply with Variable Voltage I/O
 0°C to +70°C Commercial Temperature Support
SMSC LAN9220
DATASHEET
Revision 2.9 (03-01-12)
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