DM9006EP Two Port Ethernet Switch Controller with 8/16-bit Processor Interface led circuit board
electronics ic chip
,integrated circuit ic
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DM9006EP
Two Port Ethernet Switch Controller with 8/16-bit Processor Interface
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.