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IP178CHLF Datasheet

  • IP178CHLF

  • 8 Port 10/100 Ethernet Integrated Switch

  • 91頁

  • ETC

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IP178C
Preliminary Data Sheet
8 Port 10/100 Ethernet Integrated Switch
Features
Support 1k MAC address
Support auto-polarity for 10 Mbps
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 100
Mbps 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 8-level bandwidth control
Support SCA
Built in linear regulator control circuit
Support Lead Free package (Please refer to
the Order Information)
Note 鈥?some features need CPU support, please
refer to the detail description inside this data sheet
General Description
IP178C integrates 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 10
Mbps/100 Mbps, 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 an 8+1 switch.
1/91
Copyright 漏 2004, IC Plus Corp.
October 27, 2005
IP178C-DS-R09

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