TC9208M-DS-R05 datasheet(46/53 Pages) ETC1

46 / 53 page

TC9208M

Preliminary Data Sheet

11.4

Writing / Reading PHY management registers via EEPROM interface

The following set of registers allows read/write operations through MDIO interface for direct managing of

physical layer devices. This feature is available through virtual EEPROM mode.

11.4.1

Data Write Register

Confidential.

46/53

August 1, 2003

TC9208M-DS-R06

- Address: 70h, 71h

7 6 5 4 3 2 1 0

DataW riteReg

DataWriteReg

15 14 13 12 11 10 9 8

Bit(s)

Field

Description

15 - 0

DataWriteReg

MDIO Data Write Register

DataWriteReg

– Contains a 16 bit data word used to write a PHY management register.

11.4.2

Physical Layer Device Address Register

- Address: 72h

7 6 5 4 3 2 1 0

DeviceAddress(4-0)

not used

PhyAddress

Bit(s)

Field

Description

4 – 0

DeviceAddress

Physical layer device address register

7 – 5

not used

DeviceAddress

– Contains a 5 bit word used as device address in MDIO operations.

TC9208M-DS-R05 数据表(PDF) 46 Page - List of Unclassifed Manufacturers

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