RTL8169
2002/03/27 Rev.1.21
29
6.20 TBI_ANAR: TBI Auto-Negotiation Advertisement
(Offset 0068h-0069h, R/W)
Bit R/W Symbol Description
15:14 - -
Reserved. Always 0.
Remote Fault Bits: These 2 bits indicate that a fault or error condition
has occurred. The default value is 00.
RF1 RF2 Description
0 0 No error, link Ok (default)
0 1 Offline
1 0 Link_Failure
1 1 Auto-Negotiation Error
13:12 R/W RF2, RF1
11:9 - -
Reserved. Always 0.
Asymmetric Pause: When this bit is set, the value of bit7 (Pause)
indicates the direction PAUSE frames are supported.
PS1 PS2 Capability
0 0 No Pause.
0 1 Asymmetric PAUSE toward link
partner.
1 0 Symmetric PAUSE.
1 1 Both symmetric PAUSE and
asymmetric PAUSE toward local
device.
8:7 R/W PS2(ASM_DIR),
PS1(PAUSE)
6 - -
Reserved.
5 R FullDup
Full Duplex: This bit is always set. Full duplex capability is
advertised toward the link partner in NWay mode.
4:0 - -
Reserved
6.21 TBI_LPAR: TBI Auto-Negotiation Link Partner Ability
(Offset 006Ah-006Bh, R)
Bit R/W Symbol Description
15 R NextPage
Next Page Exchange Required: When set, this bit indicates that the
link partner has a next page to transmit.
14 R Ack
Acknowledge: When set, this bit indicates that the link partner has
successfully received at least 3 consecutive and matching pages
(ignoring the Ack bit in the received pages).
Remote Fault bits: These 2 bits indicate that a fault or error condition
has occurred. The default value is 00.
RF1 RF2 Description
0 0 No error, link Ok (default)
0 1 Offline
1 0 Link_Failure
1 1 Auto-Negotiation Error
13:12 R RF2, RF1
11:9 - -
Reserved
cont...
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