DM8603EP datasheet(19/107 Pages) DAVICOM

19 / 107 page

DM8603

10/100 Mbps 3-port Ethernet Switch Controller with MII / RMII Interface

Preliminary datasheet

DM8603-12-DS-P01

November 8, 2010

6.4

PHY ID Identifier Register 1 (042h, 062h)

PHY_ADR

REG_ADR

ABS_ADR

02h, 03h

02h

042h, 062h

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)

The PHY Identifier Registers #1 and #2 work together in a single identifier of the DM8603. 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.

6.5

PHY ID Identifier Register 2 (043h, 063h)

PHY_ADR

REG_ADR

ABS_ADR

02h, 03h

03h

043h, 063h

Bit

Bit Name

Default

Description

15:10

OUI_LSB

RO/P

101110b

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

RO/P

001011b

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

RO/P

0001b

Model Revision Number

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

significant bit to bit 4)

DM8603EP Datasheet(PDF) 19 Page - Davicom Semiconductor, Inc.

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