8101 datasheet(123/172 Pages) LSI

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4-35

ACK2

Acknowledge 2

12, R

TOGGLE

Toggle Bit

11, R

MSG[10:0]

Message

[10:0], R

These bits carry the 11-bit message associated with this

next page. Refer to the IEEE 802.3z speciﬁcations for

details on the format and deﬁnition of these bits.

4.3.22 Register 32–Device ID

Note:

PART[3] 15-bit occurs on the REGD15 pin.

PART[3:0]

Part Number

[15:12], R

This ﬁeld contains a 4-bit number that uniquely identiﬁes

the device.

HREV[3:0]

Hardware Revision Number

[11:8], R

This ﬁeld contains a 4-bit number that identiﬁes that a

revision was made to the device and the revision did not

affect any register bit deﬁnitions.

RES

Reserved

[7:4], R/W

Reserved for future use.

SREV[3:0]

Software Revision Number

[3:0], R/W

This ﬁeld contains a 4-bit number that identiﬁes that a

revision was made to the device and the revision did

affect register bit deﬁnitions.

ACK2

Description

Able to comply with the received message

Not able to comply

TOGGLE

Description

Value of the toggle bit in previous transmitted

AutoNegotiation word was 0

Value of the toggle bit in previous transmitted

AutoNegotiation word was 1

87430

PART[3:0]

HREV[3:0]

RES

SREV[3:0]

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