IP175ALF-DS-R01 datasheet(9/60 Pages) ETC2

9 / 60 page

IP175A LF

Preliminary Data Sheet

9/60

February 20, 2006

IP175A LF-DS-R08

Pin Descriptions (continued)

Pin no.

Label

Type

Description

MII pins used as initial setting mode during reset

113

VLAN_ON

IPL

VLAN enable

1: enable,

0: disable (default)

IP175A LF is separated into 4 VLAN groups if this function is

enabled.

VLAN 1: port0, port 4;

VLAN 2: port 1, port 4;

VLAN 3: port 2, port 4;

VLAN 4: port 3, port 4;

Programming EEPROM registers 0Eh~12h or MII register

13h~15h will overwrite the VLAN configuration.

P4_HIGH

IPL2

Port4 is set to be high priority port

1: enable,

0: disabled (default)

Packets received from port4 are handled as high priority packets

if the feature is enabled. Please refer to EEPROM registers

0Eh~12h or MII register 13h~15h for detail information.

COS_EN

IPL2

Class of service enable

1: enable,

0: disabled (default)

Packets with high priority tag are handled as high priority

packets for all ports if the feature is enabled. Please refer to

EEPROM registers 0Eh~12h or MII register 13h~15h for detail

information.

AGING

IPH2

Address aging enable

1: enable, aging time 300s (default),

0: disable

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