DS537 Datasheet, PDF (100/148 Pages) Xilinx, Inc – LogiCORE IP XPS LL TEMAC

LogiCORE IP XPS LL TEMAC (v2.03a)
Table 68: 1000BASE-X Management Auto Negotiation Next Page Transmit Register (Register 7) Bit
Definitions (Cont’d)
Bit(s)
Name
Core
Access
Reset Value
Description
14 Reserved
Returns 0s
0
Always return zeros.
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 field or unformatted page encoding as
message code) dictated by bit 13.
Table 69 shows the Hard TEMAC Internal 1000BASE-X PCS/PMA Management Auto Negotiation Next Page
Receive Register bit definitions.
Table 69: 1000BASE-X Management Auto Negotiation Next Page Receive Register (Register 8) Bit
Definitions
Bit(s)
Name
Core
Access
Reset Value
Description
Next Page
15
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.
Message Page
13
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.
Message or
0 -10 unformatted Code
Field
Read
0x0 (null
message code)
Message code field or unformatted page encoding as dictated
by bit 13.
Table 70 shows the Hard TEMAC Internal 1000BASE-X PCS/PMA Management Extended Status Register bit
definitions.
Table 70: 1000BASE-X 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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