| General Description :IP175D integrates a 6-port switch controller, SSRAM, and 5 10/100 Ethernet transceivers. Each of the transceivers compliers with the IEEE802.3, IEEE802.3u, and IEEE802.3x specifications. The DSP approach is utilized for designing transceivers with 0.16um technology; they have high noise immunity and robust performance.IP175D operates in store and forward mode. IP175D have a lot of rich feature for different application, include router application, firewall, IEEE 802.1Q, IGMP snooping, policy-based QoS. It provides powerful QoS function, include traffic policy, traffic meter, and flexible queue scheduling (WRR/WFQ/SP). In virtual LAN, IP175D support port-based VLAN and IEEE 802.1Q tag-tagged VLAN (up to 16 VLAN groups).IP175D support up to 2K MAC addresses, up to 16 VLANs and up to 8 Multi-Field entries. These tables are accessible through MII register. The address table can configure either “2K unicast addresses” or “1K unicast addresses and 1K multicast addresses“. The Multi-Field classification is powerful classifier (layer2 to layer 4 packet headers) in packet classification. The classifier divides incoming packets into multiple classes based on prescribed rules. Each traffic class from classifier can drop out-of-profile packets, monitor traffic, specify forwarding behavior, and specify output queue.Beside a 5-port switch application, IP175D supports three MII/RMII ports for router application, one WAN port and one HOME/PNA or Access point. The external MAC can monitor or configure IP175D by accessing MII registers through SMI0.MII/RMII port also can be configured to be MAC mode. It is used to interface an external PHY to work as 5+1 switch. Through SMI1 IP175D can monitor and configure external PHYFeature :Built in 6 MAC and 5 PHYEach port can be configured to be 10Base-T, 100Base-TXUp to 2K MAC addressSupport auto-polarity for 10MbpsBroadcast storm protectionAuto MDI-MDIXSupport three MII/RMII portsLayer2-4 Multi-Field classifier-Support 8-MultiField entry-Support traffic policy-Support Multi-Filed filter-Support copy to mirror port-Support trap to CPU portClass of Service-Port based, MAC address, VID, VLANpriority, IPv4 ToS, IPv6 DSCP,TCP/UDPlogical port and Multi-FieldQoS-Support policy-based QoS-Support 4-level priority queues per port-WRR/WFQ/SPSupport hardware IGMP v1,v2 snoopingSupportPortmirrorSupport16 VLAN (IEEE Std 802.1q)-Port-based/tagged-based VLAN-Shared VLAN Learning/Independent VLAN Learning (SVL/IVL)-Support insert, remove tag- Support VLAN priority remarkingSupport STP, RSTP and MSTPSupport port-based access controlSupportsrate control-In/Out port rate control- Traffic Policy- WFQInterrupt PinSupport special tagSupport double tag headerSupport Link quality LED for 100MbpsSupport direct, serial and dual color LEDBuilt in Linear regulator control registerLow power consumption0.16um, 128-pin PQFP Lead Free package |