Xilinx LogiCORE 1000BASE-X User Manual page 122

R
Register 1: Status Register
Table 9-4: Status Register (Register 1)
122
15 14 13 12 11 10
Reg 1
Bit(s) Name
1.15 100BASE-T4
1.14 100BASE-X Full
Duplex
1.13 100BASE-X Half
Duplex
1.12 10 Mbps Full Duplex
1.11 10 Mbps Half Duplex
1.10 100BASE-T2 Full
Duplex
1.9 100BASE-T2 Half
Duplex
1.8 Extended Status
1.7 Unidirectional
Ability
1.6 MF Preamble
Suppression
1.5 Auto- Negotiation
Complete
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Chapter 9: Configuration and Status
MDIO Register 1: Status Register
9
8 7
Description
Always returns a '0' as 100BASE-T4 is not
supported.
Always returns a '0' as 100BASE-X full
duplex is not supported.
Always returns a '0' as 100BASE-X half
duplex is not supported.
Always returns a '0' as 10 Mbps full
duplex is not supported.
Always returns a '0' as 10 Mbps half
duplex is not supported
Always returns a '0' as 100BASE-T2 full
duplex is not supported.
Always returns a '0' as 100BASE-T2 Half
Duplex is not supported.
Always returns a '1' to indicate the
presence of the Extended Register
(Register 15).
Always returns a '1,' writes ignored
Always returns a '1' to indicate that
Management Frame Preamble
Suppression is supported.
1 = Auto-Negotiation process completed
0 = Auto-Negotiation process not
completed
Ethernet 1000BASE-X PCS/PMA or SGMII v9.1
6 5 4 3 2 1 0
Attributes
Returns 0
Returns 0
Returns 0
Returns 0
Returns 0
Returns 0
Returns 0
Returns 1
Returns 1
Returns 1
Read only
UG155 March 24, 2008
Default
Value
0
0
0
0
0
0
0
1
1
1
0