TLK105 datasheet(46/99 Pages) TI

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TLK105

TLK106

SLLSEB8A – AUGUST 2012 – REVISED MARCH 2013

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8.1.3

PHY Identifier Register 1 (PHYIDR1)

The PHY Identifier Registers 1 and 2 together form a unique identifier for the TLK10x. The identifier

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

and the model revision number. A PHY may return a value of zero in each of the 32 bits of the PHY

Identifier if desired. The PHY Identifier is intended to support network management. The Texas

Instruments IEEE-assigned OUI is 080028h, implemented as Reg 0x2 [15:0] = OUI[21:6] = 2000(h) and

Reg 0x3 [15:10] = OUI[5:0] = A(h).

Table 8-6. PHY Identifier Register 1 (PHYIDR1), address 0x0002

BIT

BIT NAME

DEFAULT

DESCRIPTION

15:0

OUI_MSB

<0010 0000 0000

OUI[21:6] = 2000(h): The most significant two bits of the OUI are ignored (the IEEE

0000>,

standard refers to these as bits 1 and 2).

RO/P

8.1.4

PHY Identifier Register 2 (PHYIDR2)

Table 8-7. PHY Identifier Register 2 (PHYIDR2), address 0x0003

BIT

BIT NAME

DEFAULT

DESCRIPTION

15:10

OUI_LSB

<101000>,

OUI[5:0] = 28(h)

RO/P

9:4

VNDR_MDL

<100001>,

Vendor Model Number:

RO/P

The six bits of vendor model number are mapped from bits 9 to 4 (most significant bit to bit 9).

3:0

MDL_REV

<0001>, RO/P

Model Revision Number:

Four bits of the vendor model revision number are mapped from bits 3 to 0 (most significant bit to

bit 3). This field is incremented for all major device changes.

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