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LAN9220 Даташит - SMSC

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General Description
The LAN9220 is a full-featured, single-chip 10/100 Ethernet controller designed for embedded
applications where performance, flexibility, ease of integration and system cost control are required.
The LAN9220 is fully IEEE 802.3 10BASE-T and 802.3u 100BASE-TX compliant, and supports HP
Auto-MDIX. The variable voltage I/O signals of the LAN9220 accommodate lower voltage I/O signalling without the need for voltage level shifters.

PRODUCT FEATURES
Highlights
„ Efficient architecture with low CPU overhead
„ Easily interfaces to most 16-bit embedded CPU’s
„ 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
— 16-bit interface
— Burst-mode read support
„ Minimizes dropped packets
— Internal buffer memory can store over 200 packets
— Automatic PAUSE and back-pressure flow control Minimizes CPU overhead
— Supports Slave-DMA
— Interrupt Pin with Programmable Hold-off timer
„ Reduces system cost and increases design flexibility
„ SRAM-like interface easily interfaces to most embedded CPU’s or SoC’s
„ Reduced Power Modes
— Numerous power management modes
— Wake on LAN
— Magic packet wakeup
— Wakeup indicator event signal
— Link Status Change
„ Single chip Ethernet controller
— Fully compliant with IEEE 802.3/802.3u standards
— Integrated Ethernet MAC and PHY
— 10BASE-T and 100BASE-TX support
— Full- and Half-duplex support
— Full-duplex flow control
— Backpressure for half-duplex flow control
— Preamble generation and removal
— Automatic 32-bit CRC generation and checking
— Automatic payload padding and pad removal
— Loop-back modes
„ Flexible address filtering modes
— One 48-bit perfect address
— 64 hash-filtered multicast addresses
— Pass all multicast
— Promiscuous mode
— Inverse filtering
— Pass all incoming with status report
— Disable reception of broadcast packets
„ Integrated 10/100 Ethernet PHY
— Supports HP Auto-MDIX
— Auto-negotiation
— Supports energy-detect power down
„ Host bus interface
— Simple, SRAM-like interface
— 16-bit data bus
— 16Kbyte FIFO with flexible TX/RX allocation
— One configurable host interrupt
„ Miscellaneous features
— Small form factor, 56-pin QFN lead-free RoHS Compliant package
— Integrated 1.8V regulator
— Integrated checksum offload engine
— Mixed endian support
— General Purpose Timer
— Optional EEPROM interface
— 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

Applications
The LAN9220 is well suited for many embedded applications, including:
„ Printers, kiosks, POS terminals and security systems
„ Audio distribution systems
„ General embedded systems
„ Basic cable, satellite and IP set-top boxes
„ Voice-over-IP solutions

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Номер в каталоге
Компоненты Описание
PDF
производитель
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High-Performance Single Chip 10/100 Ethernet Controller with HP Auto-MDIX & Industrial Temperature Support
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High-Performance Single Chip 10/100 Ethernet Controller with HP Auto-MDIX
SMSC -> Microchip
High-Performance Single Chip 10/100 Ethernet Controller with HP Auto-MDIX
SMSC -> Microchip
Highly Efficient Single-Chip 10/100 Ethernet Controller with HP Auto-MDIX and Industrial Temperature Support
SMSC -> Microchip

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