DS537 Datasheet, PDF (115/148 Pages) Xilinx, Inc – LogiCORE IP XPS LL TEMAC

LogiCORE IP XPS LL TEMAC (v2.03a)
Table 94 shows the Hard TEMAC Internal 1000BASE-X PCS/PMA Management Auto Negotiation Next Page
Transmit Register bit definitions.
Table 94: 1000BASE-X Management Auto Negotiation Next Page Transmit Register (Register 7) Bit
Definitions
Bit(s)
Name
Core
Access
Reset Value
Description
15 ^{Next Page}
Read/Write
0
0 - last page
1 - additional next page(s) will follow
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 95 shows the Hard TEMAC Internal 1000BASE-X PCS/PMA Management Auto Negotiation Next Page
Receive Register bit definitions.
Table 95: 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
Acknowledge 2
12
Read
0 - cannot comply with message
0
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.
www.xilinx.com
115