Microchip Technology LAN9117-MT

General Description

The LAN9117 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 LAN9117 has been specifically architected toprovide the highest performance possible for any 16-bit application. The LAN9117 is fully IEEE802.3 10BASE-T and 802.3u 100BASE-TX compliant.

PRODUCT FEATURES
Highlights
■ Member of LAN9118 Family;optimized for medium high performance applications
■ Easily interfaces to most 16-bit embedded CPU’s
■ Efficient architecture with low CPU overhead
■ Integrated PHY; supports external PHY via MII interface
■ Supports audio & video streaming over Ethernet: 1-2 high-definition (HD) MPEG2 streams
■ Medium-high speed member of LAN9118 Family(all members are pin-compatible)
Target Applications
■ Medium-range Cable, satellite, and IP set-top boxes
■ Digital video recorders and DVD recorders/players
■ High definition televisions
■ Digital media clients/servers and home gateways
■ Video-over IP Solutions, IP PBX & video phones
■ Wireless routers & access points
■ High-end audio distribution systems

Key Benefits

■ Non-PCI Ethernet Controler for medium-high performance applications
— 16-bit interface with fast bus cycle times
— Burst-mode read support
— External MII Interface
■ Eliminates dropped packets
— Internal buffer memory can store over 200 packets
— Supports automatic or host-triggered 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 easilyinterfaces to most embedded CPU’s or SoC’s
— Low-cost, low--pin count non-PCI interface for
■ 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 Ethernet PHY
— Auto-negotiation
— Automatic polarity detection and correction
■ High-Performance host bus interface
— Simple, SRAM-like interface
— 16-bit data bus
— Large, 16Kbyte FIFO memory that can be allocated to RX or TX functions
— One configurable host interrupt
■ Miscellaneous features
— Low profile 100-pin TQFP package; green, lead free package also availaible
— Integral 1.8V regulator
— General Purpose Timer
— Support for optional EEPROM
— Support for 3 status LEDs multiplexed with Programmable GPIO signals
■ 3.3V Power Supply with 5V tolerant I/O
■ 0 to 70°C

Applications

The LAN9117 is well suited for many medium-high-performance embedded applications, including:
■ Medium-range cable, satellite and IP set-top boxes
■ High-end audio distribution systems
■ Digital video recorders
■ DVD Recorders/Players
■ High-definition televisions
■ Digital media clients/servers
■ Home gateways