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Chapter 4: Physical Interface
Table 4-14: Auto-Negotiation Link Partner Ability Base Register (Register 5)
Bit(s)
Name
5.15
Next Page
5.14
Acknowledge
5.13:12 Remote Fault
5.11:9
Reserved
5.8:7
Pause
5.6
Half Duplex
5.5
Full Duplex
5.4:0
Reserved
Table 4-15: Auto-Negotiation Expansion Register (Register 6)
Bit(s)
Name
6.15:3
Reserved
6.2
Next Page Able
6.1
Page Received
6.0
Reserved
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144
Description
1 = Next page functionality is
supported.
0 = Next page functionality is not
supported.
Used by the auto-negotiation function to
indicate reception of a link partner's
base or next page.
00 = No Error.
01 = Offline.
10 = Link Failure.
11 = Auto-Negotiation Error.
Always returns 0s.
00 = No PAUSE.
01 = Symmetric PAUSE supported.
10 = Asymmetric PAUSE supported.
11 = Both symmetric PAUSE and
asymmetric PAUSE supported.
1 = Half-duplex mode is supported.
0 = Half-duplex mode is not supported.
1 = Full-duplex mode is supported.
0 = Full-duplex mode is not supported.
Always returns 0s.
Description
Always returns 0s.
The Ethernet MAC always returns a 1
for this bit because the device is Next
Page Able.
1 = A new page is received.
0 = A new page is not received.
Always returns 0s.
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Attributes
Default Value
Read Only
Read Only
Read Only
Returns 0s
Read Only
Read Only
Read Only
Returns 0s
Attributes
Default Value
Returns 0s
0000000000000
Returns 1
Read only.
Self clearing
on read.
Returns 0s
0000000
Embedded Tri-Mode Ethernet MAC User Guide
UG074 (v2.2) February 22, 2010
R
0
0
00
000
00
0
0
00000
1
0
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