LAN83C185 datasheet(39/60 Pages) SMSC

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High Performance Single Chip Low Power 10/100 Ethernet Physical Layer Transceiver (PHY)

Datasheet

SMSC LAN83C185

Revision 0.8 (06-12-08)

DATASHEET

18.4:0

PHYAD

PHY Address.

The PHY Address is used for the SMI address and for

the initialization of the Cipher (Scrambler) key. Refer

to Section 5.4.9.1, "Physical Address Bus -

PHYAD[4:0]," on page 45 for more details.

RW,

NASR

PHYAD

Table 5.44 Register 20 - TSTCNTL

ADDRESS

NAME

DESCRIPTION

MODE

DEFAULT

20.15

READ

When setting this bit to “1”, the content of the register

that is selected by the READ ADDRESS will be

latched to the TSTREAD1/2 registers. This bit is self-

cleared.

20.14

WRITE

When setting this bit to “1”, the register that is selected

by the WRITE ADDRESS is going to be written with

the data from the TSTWRITE register. This bit is self-

cleared.

20.13:11

Reserved

20.10

TEST MODE

Enable the Testability/Configuration mode:

0 - Testability/Configuration mode disabled

1 - Testability/Configuration mode enabled

20.9:5

READ

ADDRESS

The address of the Testability/Configuration register

that will be latched into the TSTREAD1 and

TSTREAD2 registers

20.4:0

WRITE

ADDRESS

The address of the Testability/Configuration register

that will be written.

Table 5.45 Register 21 - TSTREAD1

ADDRESS

NAME

DESCRIPTION

MODE

DEFAULT

21.15:0

READ_DATA

When reading registers with a size of less then 16

bits, this register contain the register data, starting

from bit 0.

When reading registers with a size of more then 16

bits, this register contain the less significant 16 bits of

the register data.

Table 5.46 Register 22 - TSTREAD2

ADDRESS

NAME

DESCRIPTION

MODE

DEFAULT

22.15:0

READ_DATA

When reading registers with a size of less then 16

bits, this register clears to zeros.

When reading registers with a size of more then 16

bits, this register contains the most significant bits of

the register data, starting from the 16th bit.

Table 5.43 Register 18 - Special Modes (continued)

ADDRESS

NAME

DESCRIPTION

MODE

DEFAULT

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