IP178C：LAN以太网芯片
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产品名称:
IP178C：LAN以太网芯片
产品型号:
IP178C：
产品展商:
深圳市卓杰电子有限公司
简单介绍
IP178C： 8 Ports 10/100 Ethernet Integrated Switch
IP178C：LAN以太网芯片的详细介绍
general desc-ription
ip178c integrated a 9-port switch controller, ssram, and 8 10/100 ethernet transceivers. each of the transceivers complies with the ieee802.3, ieee802.3u, and ieee802.3x specifications. the transceivers are designed in dsp approach in 0.18um technology; they have high noise immunity and robust performance.
ip178c operates in store and forward mode. it supports flow control, auto mdi/mdi-x, cos, port base vlan, bandwidth control, diffserv, smart mac and led functions, etc. each port can be configured as auto-negotiation or forced 10m/100m, full/half duplexmode. using an eeprom or pull up.down resistors on specific pins can configure the desired options.
besides an 8-port switch application, ip178c supports one mii/rmii ports for router application, which supports 7 lan ports and one wan port. the external mac can monitor or configure ip178c by accessing mii registers through smi.
mii/rmii port also can be configured to be mac mode. it is used to interface an external phy to work as an8+1 switch.
feature
-support 1k mac address
-support auto-polarity for 10m
-support two fiber ports with far end fault function
-support filter/forward special da option
-support broadcast storm protection
-auto mdi-mdix option
-support port security option to lock the first mac address
-support one mii/rmii port, which works at 100m full duplex for router application
-support port base vlan & tag vlan
-support cos
-support smart mac function
-support spanning tree protocol
-support max forwarding packet length 1552/1536 bytes option
-support sca
-built in 3.3v/2.5v --> 1.8v regulator |
| [ 更新于2005-12-14 14:19:12 ] |
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