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DM8806/DM8806I 6-Port 10/100Mb Fast Ethernet Smart Switch
The DM8806 is a fully integrated and cost-effective industrial-temperature (DM8806I only) fast Ethernet switch controller with five 10/100Mb PHY, and five 10/100Mb MAC plus one 10/100Mb MAC with MII/RevMII/RMII. The controller provides basic Layer-2 switch functions and advance IEEE 802.1Q VLAN, priority queuing scheme, IEEE 802.3az Energy Efficient Ethernet, IGMP snooping protocol, Spanning Tree protocol. The integrated 5 ports PHY are compliant with IEEE 802.3u standards. The MII/RMII/Reverse MII interface provides the flexibility to connect Ethernet 10/100M PHY devices.
Features
- Ethernet Switch Ports:
-Five 10/100Mb PHY built-in, that can be used for Copper or Fiber application
-Port 4 support MII/RMII/RevMII interface to MAC or MII/RMII interface to internal PHY
-Port 5 support MII/RMII/RevMII interface to MAC - Supports auto crossover function - HP Auto-MDIX
- Supports auto-polarity for 10Mbps
- Supports Store-and-Forward and Cut-Through switching approach
- Supports up to 2K accessible MAC address table
- Automatic aging scheme
- Flow control fully supported:
-IEEE 802.3x flow control in full-duplex mode
-Back Pressure flow control in half-duplex mode - Supports packet length up to 1536(default)/1552/1800/2032 bytes
- Supports bandwidth control. Ingress and egress rate limit on each port.
- Supports broadcast storming filter function for broadcast, multicast and unknown unicast packets
- Supports source address filtering
- Supports high performance QoS function on each port:
-4-level priority queues
-Two type queue scheduling: Weighted Round Robin(WRR) and Strict Priority(SP)
-Port-based, 802.1p, IPv6 ToS Priority - Supports up to 16 VLAN groups:
-802.1Q port-base and tag-based VLAN
-Full 12-bit VID, 4-bit FID
-Shared VLAN Learning (SVL) and Independent VLAN Learning(IVL) - VLAN tag Insert/Remove function
- Leaky VLAN for unicast packets
- VLAN priority replace function
- Supports double tag (QinQ)
- Supports trunk ports
- Supports port-based and MAC-based mirror
- Supports hardware IGMP v1,v2 Snooping
- Supports hardware MLD v1 Snooping
- Supports IEEE 802.3az Energy Efficient Ethernet (EEE)
- Supports Link Fault Pass-through (LFP) and Far End Fault (FEF)
- Supports spanning tree function:
-IEEE 802.1D Spanning Tree Protocol (STP)
-IEEE 802.1w Rapid STP (RSTP)
-IEEE 802.1s Multiple STP (MSTP) - Supports 802.1x security function
- Supports WOL standby mode
- Supports Turbo RevMII mode on Port 4
- Supports internal generated RMII 50MHz clock output
- Supports optional EEPROM interface for configuration
- Supports 64-bit MIB counters for diagnostic
- Supports Serial Management Interface (SMI) for programming and diagnostics
- Supports interrupt pin for CPU application
- Supports special tag to carry control and status between Switch and CPU
- Supports four type LED display mode
- Commercial temperature range: -0°°°°C to +70°°°°C
- Industrial temperature range: -40°°°°C to +85°°°°C
- 25MHz Crystal
- 3.3V I/O with 5V tolerant
- 0.18um technology, 1.8/3.3V power supply
- 128-pin QFP package
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T: +49 (0) 2129 376-208