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IP175ALF, IP175A-LF, IP175C

Table of contents:
Info of IP175ALF
Info of IP175A-LF
Info of IP175C

IP175ALF, IP175A-LF, IP175C Selling Leads, Datasheet

MFG:IC PLUS Package Cooled:QFP128 D/C:N/A

IP175ALF, IP175A-LF, IP175C Datasheet download

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Part Number: IP175ALF

MFG: IC PLUS

Package Cooled: QFP128

D/C: N/A

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IP175ALF General Description

IP175A LF is a low cost 10/100 Ethernet single chip switch. It integrates a 5-port switch controller, SSRAM, and 5 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 with 0.25um technology; they have high noise immunity and robust performance. IP175A LF operates in store and forward mode. It supports flow control, auto MDI/MDI-X, CoS, port base VLAN, and LED functions, etc. Each port can be configured to auto-negotiation or forced 10M/100M, full/half duplex, and it is also able to configure to 100BaseFX transmission mode. Using an EEPROM or pull up/down resistors on specified pins can configure the desired options. IP175A LF does not support "forced 10M half mode".

IP175A LF supports two MII ports for router application, which supports 4 LAN ports and one WAN port. MII0 is for LAN traffic and MII1 is for WAN traffic and no external PHY is needed. Both MII can work in PHY mode and interface to the external MAC in this application. The external MAC can monitor or configure IP175A LF by accessing MII registers through SMI.

MII0 also can be configured to be MAC mode. It is used to interface an external PHY to work as a 4+1 switch.

IP175ALF Features

5 port 10/100 Ethernet switch with built in transceivers and memory
Build in SSRAM for frame buffer
Built in storage of 1K MAC address
Support flow control
Support IEEE802.3x for flow control for full duplex mode operation
Support backpressure for flow control for half duplex mode operation
5 port switching fabric
Support two-level hashing algorithm to solve MAC address collision
Support MAC address aging
Store and forward mode
Broadcast storm protection
Full line speed capability of 148800 (14880) packets/sec for 100M (10M)
Support 1536 byte data transfer for VLAN packet traffic
Port base VLAN
Port base CoS configuration
Integrate 5 ports transceiver
Each port can be auto negotiable or forced 10M/100M, full/half duplex
Each port can be configured as 100BaseFX
Automatic MDI/MDI-X configuration
Support two MII, one SMI and extended MII registers for router application
Built in regulator for 3.3v to 2.15v
LED status of Link, activity, Full/half duplex, speed, and power on diagnostic function
Initial parameter setting by pin or EEPROM (24LC01) configuration
Utilize single clock source (25Mhz)
0.25u technology
Support Lead Free package (Please refer to the Order Information)

IP175ALF Connection Diagram

IP175C General Description

IP175C/IP175CH integrates a 6-port switch controller, SSRAM, and 5 10/100 Ethernet transceivers. Each of the transceivers complies with the IEEE802.3, IEEE802.3u, and IEEE802.3x specifications. The DSP approach is utilizedfor designing transceivers with 0.18um technology; they have high noise immunity and robust performance.

IP175C/IP175CH 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. Eachport can be configured to auto-negotiation or forced 10M/100M, full/half duplexmode. Using an EEPROM or pull up/down resistors on specified pins can configure the desired options.

Besides a 5-port switch application, IP175C/IP175CH supports three MII/RMII ports for router application, which supports 4 LAN ports, one WAN port and one HOME/PNA or Access point. The external MAC can monitor or configure IP175C/IP175CH 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 a 5+1 switch. Through SMI1 IP175C/IP175CH can monitor and configure external PHY.

IP175C Maximum Ratings

Supply Voltage ...............0.3V to 4.0V
Input Voltage ................0.3V to 5.0V
Output Voltage .............. 0.3V to 5.0V
Storage Temperature ......... -65°C to 150°C
Ambient Operating Temperature (Ta) ..0°C to 70°C

IP175C Features

·IP175A PCB compatible (pins compatible)
·Built in 6 MAC and 5 PHY
·Each port can be configured to be 10Base-T, 100Base-TX
·2k MAC address
·384k bits packet buffer memory
·Support auto-polarity for 10Mbps
·Filter/ forward reserved address option
·Broadcast storm protection
·Auto MDI-MDIX
·Support three MII/RMII ports
·Support SMI with MDC up to 12.5 Mhz
·Support tagging & un-tagging
·Support Port base VLAN & tag VLAN
·Support CoS
·Support port security option
·Support SMART MAC function
·Support spanning tree protocol
·Max packet length 1552/ 1536 bytes
·Support 8-level bandwidth control
·Support Link quality LED for 100Mbps
·Support direct, serial and dual color mode LED
·Support one fiber port with far end fault function for IP175CH only
·Built in linear regulator control circuit
·Low power consumption
· 0.18um, 128-pin PQFP
· Support Lead Free package (Please refer to the Order Information)

IP175C Connection Diagram

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