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LAN9215I Datasheet(PDF) 10 Page - SMSC Corporation |
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LAN9215I Datasheet(HTML) 10 Page - SMSC Corporation |
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10 / 138 page  Highly Efficient Single-Chip 10/100 Ethernet Controller with HP Auto-MDIX and Industrial Temperature Support Datasheet Revision 1.93 (12-12-07) 10 SMSC LAN9215i DATASHEET Chapter 1 General Description The LAN9215i 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 LAN9215i has been architected to provide the best price-performance ratio for any 16-bit application with medium performance requirements. The LAN9215i is fully IEEE 802.3 10BASE-T and 802.3u 100BASE-TX compliant, and supports HP Auto-MDIX. The LAN9215i 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 LAN9215i includes large transmit and receive data FIFOs to accommodate high latency applications. In addition, the LAN9215i memory buffer architecture allows the most efficient use of memory resources by optimizing packet granularity. Applications The LAN9215i is well suited for many medium-performance 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 The LAN9215i also supports features which reduce or eliminate packet loss. Its internal 16-KByte SRAM can hold over 200 received packets. If the receive FIFO gets too full, the LAN9215i can automatically generate flow control packets to the remote node, or assert back-pressure on the remote node by generating network collisions. The LAN9215i supports numerous power management and wakeup features. The LAN9215i can be placed in a reduced power mode and can be programmed to issue an external wake signal via several methods, including “Magic Packet”, “Wake on LAN” and “Link Status Change”. This signal is ideal for triggering system power-up using remote Ethernet wakeup events. The device can be removed from the low power state via a host processor command. |
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