IP178A Ver la hoja de datos (PDF) - Unspecified

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componentes Descripción

Fabricante

IP178A

8-Port 10/100 Ethernet Integrated Switch

Unspecified 

(Advance Version)

IP178A

PIN Description (continued)

Pin no.

Label

Type

Description

Basic operation parameter setting of switch

133, 131 HASH_MODE[1:0] IPL Hashing algorithm selection for 1st layer and 2nd layer

00: direct and CRC (default)

01: direct and CRC

10: CRC and CRC

11: reserved

The pins are input signals during reset and are latched at the end of reset to

select hashing algorithm. HASH_MODE[0] is full duplex LED of port 0 after

reset if LED direct mode is selected. HASH_MODE[1] is link LED of port 7 after

reset if LED direct mode is selected.

126, 125 AGETIME[1:0]

IPH, Aging time selection of address table

IPL An address tag in hashing table will be removed if this function is turned on and

its aging timer expires.

AGETIME[1]

0

0

1

1

AGETIME[0]

0

1

0

1

Aging time

no aging

120s

240s (default)

480s

Preliminary, Specification subject to change without notice 12

IP178A-DS-P05

Sep. 09, 2002

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