15 |
NP |
R |
0x0 |
Next Page Indication.
0x0 = No other next page transfer desired.
0x1 = Another next page desired.
|
14 |
ACK |
R |
0x0 |
Acknowledge. The auto-negotiation state machine automatically controls this bit based on the incoming fast-link pulse (FLP) bursts. Software should not attempt to write to this bit.
0x0 = Not acknowledged.
0x1 = Link Partner acknowledges reception of the ability data word.
|
13 |
MP |
R |
0x0 |
Message Page.
0x0 = Unformatted Page.
0x1 = Message Page.
|
12 |
ACK2 |
R |
0x0 |
Acknowledge 2. Acknowledge2 is used by the next page function to indicate that Local Device has the ability to comply with the message received.
0x0 = Link Partner cannot comply to next-page message.
0x1 = Link Partner has the ability to comply to next-page message.
|
11 |
TOG |
R |
0x0 |
Toggle. Toggle is used by the Arbitration function within Auto-Negotiation to synchronize with the Link Partner during Next Page exchange. This bit always takes the opposite value of the Toggle bit in the previously exchanged Link Code Word
0x0 = Value of toggle bit in previously transmitted Link Code Word was 1.
0x1 = Value of toggle bit in previously transmitted Link Code Word was 0.
|
10-0 |
CODE |
R |
0x0 |
Code. This field represents the code field of the next page transmission. If the MP bit is set (bit 13 of this RW register), then the code is interpreted as a Message Page, as defined in annex 28C of IEEE 802.3u. Otherwise, the code is interpreted as an Unformatted Page, and the interpretation is application specific. The default value of the CODE represents a Null Page as defined in Annex 28C of IEEE 802.3u.
|