ADIN1300BCPZ-R7 datasheet(51/96 Pages) AD

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Data Sheet

ADIN1300

analog.com

Rev. B | 51 of 96

Table 34. Bit Descriptions for MII_STATUS

Bits

Bit Name

Description

Reset

Access

T_4_SPRT

The 100BASE-T4 ability bit always reads as 1'b0 because the PHY does not support 100BASE-T4.

0x0

FD_100_SPRT

The 100BASE-TX full duplex ability bit always reads as 1'b1 because the PHY supports 100BASE-TX full

duplex.

0x1

HD_100_SPRT

The 100BASE-TX half duplex ability bit always reads as 1'b1 because the PHY supports 100BASE-TX half

duplex.

0x1

FD_10_SPRT

The 10BASE-T full duplex ability bit always reads as 1'b1 because the PHY supports 10BASE-T full

duplex.

0x1

HD_10_SPRT

The 10BASE-T half duplex ability bit always reads as 1'b1 because the PHY supports 10BASE-T half

duplex.

0x1

FD_T_2_SPRT

The 100BASE-T2 full duplex ability bit always reads as 1'b0 because the PHY does not support

100BASE-T2.

0x0

HD_T_2_SPRT

The 100BASE-T2 half duplex ability bit always reads as 1'b0 because the PHY does not support

100BASE-T2.

0x0

EXT_STAT_SPRT

The extended status support bit always reads as 1'b1, indicating that the PHY provides extended status

information in Register 0x000F.

0x1

UNIDIR_ABLE

When zero, the unidirectional ability register bit indicates that the PHY can only transmit data from the

media independent interface when it has determined that a valid link has been established. This bit always

reads as 1'b0.

0x0

MF_PREAM_SUP_ABLE

Management Frame Preamble Suppression Ability Bit. This always reads as 1'b1 because the PHY

accepts management frames with preamble suppressed.

0x1

AUTONEG_DONE

Autonegotiation Complete Bit.

0x0

1: autonegotiation process completed.

0: autonegotiation process not completed.

REM_FLT_LAT

Remote Fault Bit. When this bit goes high, it latches high until it is unlatched by reading.

0x0

R LH

1: remote fault condition detected.

0: no remote fault condition detected.

AUTONEG_ABLE

Autonegotiation Ability Bit. This bit always reads as 1'b1.

0x1

1: PHY is able to perform autonegotiation.

0: PHY is not able to perform autonegotiation.

LINK_STAT_LAT

Link Status Bit. If the link subsequently drops, this bit latches low until it is unlatched by reading.

0x0

R LL

1: link is up.

0: link is down.

JABBER_DET_LAT

Jabber Detect Bit. When this bit goes high, it latches high until it is unlatched by reading.

0x0

R LH

1: jabber condition detected.

0: no jabber condition detected.

EXT_CAPABLE

The extended capability bit always reads as 1'b1 because the PHY provides an extended set of capabili-

ties.

0x1

PHY Identifier 1 Register

Address: 0x0002, Reset: 0x0283, Name: PHY_ID_1

This address corresponds to the MII status register specified in Clause 22.2.4.3.1 of IEEE Standard 802.3 and allows 16 bits of the

organizationally unique identifier (OUI) to be observed.

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