ADIN2111CCPZ-R7 datasheet(108/129 Pages) AD

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Data Sheet

ADIN2111

REGISTERS

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Rev. A | 108 of 129

Table 198. Bit Descriptions for AN_NEXT_PAGE_L (Continued)

Bits

Bit Name

Description

Reset

Access

AN_NP_ACK2

Acknowledge 2. Indicates whether the PHY can comply with the message. See IEEE

Standard 802.3 Subclause 28.2.3.4.6.

0x0

R/W

AN_NP_TOGGLE

Toggle Bit. The toggle bit is used to synchronize pages between the PHYs. This always read

as 0 (the toggle bit is set automatically by the arbitration state machine).

0x0

[10:0]

AN_NP_MESSAGE_CODE

Message/Unformatted Code Field. For a message page (AN_NP_MESSAGE_PAGE = 1),

the valid values are defined in IEEE Standard 802.3.

0x1

R/W

1: null message.

5: organizationally unique identifier tagged message.

6: autonegotiation device identifier tag code.

BASE-T1 Autonegotiation Next Page Transmit Register, Bits[31:16]

Device Address: 0x07; Register Address: 0x0209, Reset: 0x0000, Name: AN_NEXT_PAGE_M

This address corresponds to the BASE-T1 autonegotiation next page transmit register, Bits[31:16], specified in Clause 45.2.7.23 of Standard

802.3. On power-up or autonegotiation reset, this register contains the default value, which represents a message page with the message code

set to null. Write AN_NEXT_PAGE_M and AN_NEXT_PAGE_H before AN_NEXT_PAGE_L.

Table 199. Bit Descriptions for AN_NEXT_PAGE_M

Bits

Bit Name

Description

Reset

Access

[15:0]

AN_NP_UNFORMATTED1

Unformatted Code Field 1.

0x0

R/W

BASE-T1 Autonegotiation Next Page Transmit Register, Bits[47:32]

Device Address: 0x07; Register Address: 0x020A, Reset: 0x0000, Name: AN_NEXT_PAGE_H

This address corresponds to the BASE-T1 autonegotiation next page transmit register, Bits[47:42], specified in Clause 45.2.7.23 of Standard

802.3. On power-up or autonegotiation reset, this register contains the default value, which represents a message page with the message code

set to null. Write AN_NEXT_PAGE_M and AN_NEXT_PAGE_H before AN_NEXT_PAGE_L.

Table 200. Bit Descriptions for AN_NEXT_PAGE_H

Bits

Bit Name

Description

Reset

Access

[15:0]

AN_NP_UNFORMATTED2

Unformatted Code Field 2.

0x0

R/W

BASE-T1 Autonegotiation Link Partner Next Page Ability Register, Bits[15:0]

Device Address: 0x07; Register Address: 0x020B, Reset: 0x0000, Name: AN_LP_NEXT_PAGE_L

This address corresponds to the BASE-T1 autonegotiation next page ability register, Bits[15:0], of the link partner specified in Clause 45.2.7.24

of Standard 802.3. The values of AN_LP_NEXT_PAGE_M and AN_LP_NEXT_PAGE_H are latched when this register is read.

Table 201. Bit Descriptions for AN_LP_NEXT_PAGE_L

Bits

Bit Name

Description

Reset

Access

AN_LP_NP_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

AN_LP_NP_ACK

Link Partner Next Page Acknowledge. See IEEE Standard 802.3 Subclause 98.2.1.2.8. 0x0

AN_LP_NP_MESSAGE_PAGE

Link Partner Next Page Encoding. Indicates encoding of link partner next page, as

follows:

0x0

0: unformatted next page.

1: message next page.

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