DS537 Datasheet, PDF (136/148 Pages) Xilinx, Inc – LogiCORE IP XPS LL TEMAC

LogiCORE IP XPS LL TEMAC (v2.03a)
Table 133: SGMII Management Auto Negotiation Next Page Transmit Register (Register 7) Bit Definitions
Bit(s)
Name
Core
Access
Reset Value
Description
13
Message Page
Read/Write
1
0 - unformatted page
1 - message page
12
Acknowledge 2
Read/Write
0
0 - cannot comply with message
1 - complies with message
11
Toggle
Read
0
Value toggles between sequent pages.
0 -10
Message or unformatted
Code Field
Read/Write
0x001 (null
message code)
Message code field or unformatted page encoding as
dictated by bit 13.
Table 134 shows the Hard TEMAC Internal SGMII PCS Management Auto Negotiation Next Page Receive Register
bit definitions.
Table 134: SGMII Management Auto Negotiation Next Page Receive Register (Register 8) Bit Definitions
Bit(s)
Name
Core
Access
Reset Value
Description
15
Next Page
Read
0 - last page
0
1 - additional next page(s) will follow
14
Acknowledge
Read
0
Used by auto negotiation function to indicate reception of
a link partner’s base or next page.
13
Message Page
Read
0 - unformatted page
0
1 - message page
12
Acknowledge 2
Read
0
0 - cannot comply with message
1 - complies with message
11
Toggle
Read
0
Value toggles between sequent pages.
0 -10
Message or unformatted
Code Field
Read
0x0 (null Message code field or unformatted page encoding as
message code) dictated by bit 13.
Table 135 shows the Hard TEMAC Internal SGMII PCS Management Extended Status Register bit definitions.
Table 135: SGMII Management Extended Status Register (Register 15) Bit Definitions
Bit(s)
Name
Core
Access
Reset
Value
Description
15
1000BASE-X
Full Duplex
Returns 1
1
Always returns a 1 for this bit because 1000BASE-X full duplex is
supported.
14
1000BASE-X
Half Duplex
Returns 0
0
Always returns a 1 for this bit because 1000BASE-X half duplex is not
supported.
13
1000BASE-T
Full Duplex
Returns 0
0
Always returns a 1 for this bit because 1000BASE-T full duplex is not
supported.
12
1000BASE-T
Half Duplex
Returns 0
0
Always returns a 1 for this bit because 1000BASE-T half duplex is not
supported.
0 - 11 Reserved
Returns 0s
0x0 Always return zeros.
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