DM9106 datasheet(55/92 Pages) DAVICOM

55 / 92 page

DM9106

3-port switch with PCI Interface

Preliminary datasheet

DM9106-DS-P01

July 9, 2009

the occurrence of a link failure condition causes the link status bit to

be cleared and remain cleared until it is read via the management

interface

Jabber detect

0, RO

Jabber Detect

1 = Jabber condition detected

0 = No jabber

This bit is implemented with a latching function. Jabber conditions

will set this bit unless it is cleared by a read to this register through a

management interface or a DM9106 reset. This bit works only in

10Mbps mode

Extended

capability

1,RO/P

Extended Capability

1 = Extended register capable

0 = Basic register capable only

8.3 PHY ID Identifier Register #1 (PHYID1) – 02H

The PHY Identifier Registers #1 and #2 work together in a single identifier of the DM9106. The Identifier consists

of a concatenation of the Organizationally Unique Identifier (OUI), a vendor's model number, and a model

revision number. DAVICOM Semiconductor's IEEE assigned OUI is 00606E.

Bit

Bit Name

Default

Description

15-0

OUI_MSB

<0181h>

OUI Most Significant Bits

This register stores bit 3 to 18 of the OUI (00606E) to bit 15 to 0 of

this register respectively. The most significant two bits of the OUI

are ignored (the IEEE standard refers to these as bit 1 and 2)

8.4 PHY ID Identifier Register #2 (PHYID2) – 03H

Bit

Bit Name

Default

Description

15-10

OUI_LSB

<101110>,

RO/P

OUI Least Significant Bits

Bit 19 to 24 of the OUI (00606E) are mapped to bit 15 to 10 of this

9-4

VNDR_MDL

<001011>,

RO/P

Vendor Model Number

Five bits of vendor model number mapped to bit 9 to 4 (most

significant bit to bit 9)

3-0

MDL_REV

<0000>,

RO/P

Model Revision Number

Five bits of vendor model revision number mapped to bit 3 to 0

(most significant bit to bit 4)

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