DS537 Datasheet, PDF (128/148 Pages) Xilinx, Inc – LogiCORE IP XPS LL TEMAC

LogiCORE IP XPS LL TEMAC (v2.03a)
Table 114: 1000BASE-X Management Status Register (Register 1) Bit Definitions (Cont’d)
Bit(s)
Name
Core
Access
Reset
Value
Description
8
Extended
Status
Returns 1
1
Always returns a 1 for this bit indicating the presence of the extended
register (register 15).
7
Unidirectional Returns 1
Ability
1
Always returns a 1.
6
MF Preamble Returns 1
Suppression
1
Always returns a 1 for this bit to indicate the support of management frame
preamble suppression.
Auto
Read
5 Negotiation
Complete
0 - auto negotiation process not completed
0
1 - auto negotiation process complete
Remote Fault Read only
4
self clearing
on read
0 - no remote fault condition detected
0
1 - remote fault condition detected
Auto
Returns 1
3 Negotiation
Ability
Always returns a q for this bit indicating that the PHY is capable of auto
1 negotiation.
Link Status
2
Read only
self clearing
on read
0 - PHY Link is down
0
1 - PHY Link is up
1 Jabber Detect Returns 0
0 Always returns a 0 for this bit because no jabber detect is supported.
0
Extended
Capability
Returns 0
0
Always returns a 0 for this bit because no extended register set is
supported.
Table 115 shows the first Hard TEMAC Internal 1000BASE-X PCS/PMA Management PHY Identifier Register bit
definitions.
Table 115: 1000BASE-X Management PHY Identifier (Register 2) Bit Definitions
Bit(s)
Name
Core
Access
Reset Value
Description
0 - 15
OUI
Read
returns OUI (3-18) Organizationally Unique Identifier (OUI) from IEEE is 0x000A35.
0x0028
Table 116 shows the second Hard TEMAC Internal 1000BASE-X PCS/PMA Management PHY Identifier Register
bit definitions.
Table 116: 1000BASE-X Management PHY Identifier (Register 3) Bit Definitions
Bit(s)
Name
Core
Access
Reset Value
Description
10 - 15
OUI
Read
returns OUI Organizationally Unique Identifier (OUI) from IEEE is 0x000A35.
(19-24) 0x0035
30
MMN
Returns 0
0
Manufacturer’s Model Number. Always returns 0s.
29
Revision
Returns 0
0
Revision Number. Always returns 0s.
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