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參數資料
| 型號： | DP83848YB-EVK/NOPB |
| 廠商： | National Semiconductor |
| 文件頁數： | 44/86頁 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD PHYTER EXTREME TEMP |
| 標準包裝： | 1 |
| 主要目的： | 接口，以太網 |
| 已用 IC / 零件： | DP83848YB |
| 已供物品： | 板 |
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7.1.7 Auto-Negotiation Link Partner Ability Register (ANLPAR) (Next Page)
7.1.8 Auto-Negotiate Expansion Register (ANER)
This register contains additional Local Device and Link Partner status information.
Table 18. Auto-Negotiation Link Partner Ability Register (ANLPAR) (Next Page), address 0x05
Bit
Bit Name
Default
Description
15
NP
0, RO
Next Page Indication:
1 = Link Partner desires Next Page Transfer.
0 = Link Partner does not desire Next Page Transfer.
14
ACK
0, RO
Acknowledge:
1 = Link Partner acknowledges reception of the ability data word.
0 = Not acknowledged.
The Auto-Negotiation state machine will automatically control the
this bit based on the incoming FLP bursts. Software should not at-
tempt to write to this bit.
13
MP
0, RO
Message Page:
1 = Message Page.
0 = Unformatted Page.
12
ACK2
0, RO
Acknowledge 2:
1 = Link Partner does have the ability to comply to next page mes-
sage.
0 = Link Partner does not have the ability to comply to next page
message.
11
Toggle
0, RO
Toggle:
1 = Previous value of the transmitted Link Code word equalled 0.
0 = Previous value of the transmitted Link Code word equalled 1.
10:0
CODE
<000 0000 0000>,
RO
Code:
This field represents the code field of the next page transmission.
If the MP bit is set (bit 13 of this register), then the code shall be
interpreted as a “Message Page,” as defined in annex 28C of
Clause 28. Otherwise, the code shall be interpreted as an “Unfor-
matted Page,” and the interpretation is application specific.
Table 19. Auto-Negotiate Expansion Register (ANER), address 0x06
Bit
Bit Name
Default
Description
15:5
RESERVED
0, RO
RESERVED: Writes ignored, Read as 0.
4
PDF
0, RO
Parallel Detection Fault:
1 = A fault has been detected via the Parallel Detection function.
0 = A fault has not been detected.
3
LP_NP_ABLE
0, RO
Link Partner Next Page Able:
1 = Link Partner does support Next Page.
0 = Link Partner does not support Next Page.
2
NP_ABLE
1, RO/P
Next Page Able:
1 = Indicates local device is able to send additional “Next Pages”.
1
PAGE_RX
0, RO/COR
Link Code Word Page Received:
1 = Link Code Word has been received, cleared on a read.
0 = Link Code Word has not been received.
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