ADIN2111CCPZ-R7 datasheet(104/129 Pages) AD

104 / 129 page

Data Sheet

ADIN2111

REGISTERS

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Rev. A | 104 of 129

Table 190. Bit Descriptions for AN_CONTROL

Bits

Bit Name

Description

Reset

Access

[15:13]

RESERVED

Reserved.

0x0

R/W SC

AN_EN

Autonegotiation Enable. When this bit is set to 1, autonegotiation is enabled. Autonegotiation is enabled by

default and it is strongly recommended that it is always enabled.

0x1

R/W

[11:10]

RESERVED

Reserved.

0x0

AN_RESTART

Autonegotiation Restart. Setting this bit to 1 restarts the autonegotiation process. This bit is self clearing and

it returns a value of one until the autonegotiation process is initiated.

0x0

R/W SC

[8:0]

RESERVED

Reserved.

0x0

BASE-T1 Autonegotiation Status Register

Device Address: 0x07; Register Address: 0x0201, Reset: 0x0008, Name: AN_STATUS

This address corresponds to the BASE-T1 autonegotiation status register specified in Clause 45.2.7.20 of Standard 802.3.

Table 191. Bit Descriptions for AN_STATUS

Bits

Bit Name

Description

Reset

Access

[15:7]

RESERVED

Reserved.

0x0

AN_PAGE_RX

Page Received. This bit is set to indicate that a new link codeword has been received and stored

in the AN_LP_ADV_ABILITY_x register or the AN_LP_NEXT_PAGE register. The contents of the

AN_LP_ADV_ABILITY_x are valid when this bit is set the first time during autonegotiation. This bit

resets to 0 on a read of the AN_STATUS register.

0x0

R LH

AN_COMPLETE

Autonegotiation Complete. When this bit is read as 1, the autonegotiation process is complete,

the PHY link is up, and that the contents of the AN_ADV_ABILITY_x and AN_LP_ADV_ABILITY_x

registers are valid. This bit returns 0 if the autonegotiation is disabled, clearing the AN_EN bit.

0x0

AN_REMOTE_FAULT

Autonegotiation Remote Fault. Remote fault set in base page received from link partner.

0x0

R LH

AN_ABLE

Autonegotiation Ability. When this bit is read as 1, it indicates that the PHY is able to perform

autonegotiation.

0x1

AN_LINK_STATUS

Link Status. When read as 1, this bit indicates that a valid link is established. If this bit reads 0, the

link failed since the last time it was read.

0x0

R LL

[1:0]

RESERVED

Reserved.

0x0

BASE-T1 Autonegotiation Advertisement Register, Bits[15:0]

Device Address: 0x07; Register Address: 0x0202, Reset: 0x0001, Name: AN_ADV_ABILITY_L

This address corresponds to the BASE-T1 autonegotiation advertisement register, Bits[15:0], specified in Clause 45.2.7.21 of Standard 802.3.

Table 192. Bit Descriptions for AN_ADV_ABILITY_L

Bits

Bit Name

Description

Reset

Access

AN_ADV_NEXT_PAGE_REQ

Next Page Request. This bit indicates to the link partner that the PHY wants to send a

next page. See IEEE Standard 802.3 Subclause 98.2.1.2.9.

0x0

R/W

AN_ADV_ACK

Acknowledge (ACK). This bit indicates that the device has received the link codeword of

its link partner. See IEEE Standard 802.3 Subclause 98.2.1.2.8.

0x0

AN_ADV_REMOTE_FAULT

Remote Fault. See IEEE Standard 802.3 Subclause 98.2.1.2.7.

0x0

R/W

AN_ADV_FORCE_MS

Force Master/Slave Configuration. This bit allows the PHY to force its master/slave con-

figuration. When this bit is set as 0, the master/slave configuration is a preferred mode.

(The configuration in AN_ADV_MST is a preferred configuration.) If this bit is set to 1,

0x0

R/W

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