MT90221AL datasheet(49/114 Pages) MITEL

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MT90221

7.1

Utopia Register Description

Tables 12 to 22 describe the UTOPIA registers.

Address (Hex):

000 - 003

Direct access

1 register per link in UNI mode. The TxClk signal must be active for correct

Reset Value (Hex):

Bit #

Type

Description

7:5

Unused. Read all 0’s.

4:0

R/W

UTOPIA PHY Address of Link N when in UNI.

Table 12- UTOPIA Input Link Address Registers

Address (Hex):

008 - 00B

Direct access

11 reg. per IMA Group. The TxClk signal must be active for correct register

operation

Reset Value (Hex):

Bit #

Type

Description

7:5

Unused. Read all 0’s.

4:0

R/W

UTOPIA PHY Address of IMA Group N.

Table 13 - UTOPIA Input Group Address Registers

Address (Hex):

00C

Direct access

1 register to enable the links in UNI mode. The TxClk signal must be active for

correct register operation

Reset Value (Hex):

Bit #

Type

Description

7-4

R/W

Reserved.Write 0 for normal operation

R/W

Enable UTOPIA PHY address of link 3. A 1 enables the PHY port Address. UNI mode.

R/W

Enable UTOPIA PHY address of link 2. A 1 enables the PHY port Address. UNI mode.

R/W

Enable UTOPIA PHY address of link 1. A 1 enables the PHY port Address. UNI mode.

R/W

Enable UTOPIA PHY address of link 0. A 1 enables the PHY port Address. UNI mode.

Table 14 - UTOPIA Input Link PHY Enable Register

MT90221AL Datasheet(PDF) 49 Page - Mitel Networks Corporation

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