LAN9215
10Base-T/100Base-TX Ethernet Controller with 16 bit/MII interface
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The LAN9215(i) 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 LAN9215(i) has been architected to provide the best price-performance ratio for any 16-bit application with medium performance requirements. The LAN9215(i) is fully IEEE 802.3 10BASE-T and 802.3u 100BASE-TX compliant, and supports HP Auto-MDIX.
The LAN9215(i) includes an integrated Ethernet MAC and PHY with a high-performance SRAM-like slave interface. The simple, yet highly functional host bus interface provides a glue-less connection to most common 16-bit microprocessors and microcontrollers as well as 32-bit microprocessors with a 16-bit external bus. The LAN9215(i) includes large transmit and receive data FIFOs to accommodate high latency applications. In addition, the LAN9215(i) memory buffer architecture allows the most efficient use of memory resources by optimizing packet granularity.
The EEPROM device from Microchip comes with a factory programmed, globally unique EUI-48™ MAC Address. This Ethernet controller will automatically detect and load the EUI-48™ node address from the EEPROM at start-up or reset.
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Highlights
Optimized for medium performance applications
Efficient architecture with low CPU overhead
Easily interfaces to most 16-bit embedded CPU's
Integrated PHY with HP Auto-MDIX Support
Supports audio & video streaming over Ethernet: multiple standard-definition (SD) MPEG2 streams
Compatible with other members of LAN9218 family
Target Applications
Basic 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 medium performance applications
16-bit interface
Burst-mode read support
External MII interface
Eliminates 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
Low-profile 100-pin TQFP, or 100-ball LFBGA (LAN9215) RoHS Compliant package
Integrated 1.8V regulator
General Purpose Timer
Optional EEPROM interface
Support for 3 status LEDs multiplexed with Programmable GPIO signals
Single 3.3V Power Supply with 5V tolerant I/O
Commercial and Industrial (LAN9215i) Temperature Support
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