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DM9006 数据表(PDF) 10 Page - Davicom Semiconductor, Inc. |
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DM9006 数据表(HTML) 10 Page - Davicom Semiconductor, Inc. |
10 / 76 page DM9006 2-port Switch with Processor Interface 10 Preliminary datasheet DM9006-13-DS-P01 September 1, 2009 1. GENERAL DESCRIPTION The DM9006 is a fully integrated and cost-effective fast Ethernet switch controller with two ports 10M/100M PHY, and general processor bus interface. The integrated two ports PHY are compliant with IEEE 802.3u standards and support HP Auto-MDIX capabilities for twisted-pair cable transmit/receive direction automatic switching. The general processor bus can be configured as 8-bit or 16-bit data width. The DM9006 is a managed Switch, not only provides basic Layer-2 switch functions but offers advanced features that include 802.1Q VLAN, priority queuing management, bandwidth rate control, monitoring port traffic, multicast packet filtering, port security and hardware-based IGMP V1/V2 Snooping, etc. The general processor bus can be configured as 8-, 16-, or 32-bit data width and interfaces to most embedded CPU. The DM9006 provides TCP/UDP/IPv4 checksum offload function to alleviate host CPU load for improved system performance. The adjustable transmit/receive buffer of processor port can facilitate CPU in processing applications such as Video and Voice streaming. For power management feature, the DM9006 support wake on LAN function via link status change or magic packet detection. Additionally, the MIB counters, loop-back capability and the memory Build-in Self Test (BIST) are useful for system and board level diagnostic. 2. BLOCK DIAGRAM 10/100 M PHY 10/100 M MAC 10/100 M PHY 10/100 M MAC Port 0 MDI / MDIX Port 1 MDI / MDIX Switch Controller Control Registers MIB Counters EEPROM Interface Embedded Memory Memory BIST Memory Management Processor Interface Host MAC Switch Engine 8 / 16 bit Processor Bus EEPROM Switch Fabric |
类似零件编号 - DM9006 |
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类似说明 - DM9006 |
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