TLK2226_09 Datasheet, PDF (31/52 Pages) Texas Instruments – 6 PORT GIGABIT ETHERNET TRANSCEIVER

TLK2226
www.ti.com
SLLS689D – JANUARY 2006 – REVISED DECEMBER 2006
Table 13. AN Next Page Transmit Register (0x07) Bit Definitions
Bit(s)
Default Value
7.15
1B’0
Name
Next Page
7.14
7.13
7.12
7.11
7.10:0
1B’0
1B’1
Reserved
Msg Page
1B’0
Acknowledge 2
1B’0
NP Toggle
11B’000_0000_0001 Msg/Unformated
Code Field
Description
Read/Write
Writing a “1” will signal the link partner that a next page of Read/Write
information is available to be sent after the base page during
autonegotiation.
See IEEE 802.3 clause 37. Section 37.2.1.7
Read will return 0, writes will be ignored
Read Only
0 = unformatted page
1 = message page
Read/Write
0 = cannot comply with message
1 = will comply with message
Read/Write
0 = prev. value of transmitted link code words equals 1’b1
1 = prev. value of transmitted link code words equals 1’b0
Read Only
See IEEE 802.3 annex 28C for details
Read/Write
Bit(s)
8.15
8.14
8.13
8.12
8.11
8.10:0
Table 14. AN Link Partner Ability Next Page Register (0x08) Bit Definitions
Default Value
1B’0
Name
LP Next Page
1B’0
1B’0
1B’0
1B’0
Reserved
LP Msg Page
LP Acknowledge 2
LP Toggle
11B’000_0000_0000 LP Msg/Unformated
Code Field
Description
Read/Write
A “1” will indicate that the link partner has information for Read Only
a next page at autonegotiation.
0 = LP has no information for a next page
See IEEE 802.3 clause 37. Section 37.2.1.7
Reserved. Ignore on read.
Read Only
0 = unformatted page
1 = message page
Read Only
0 = cannot comply with message
1 = will comply with message
Read Only
0 = prev. value of transmitted link code words equals 1’b1 Read Only
1 = prev. value of transmitted link code words equals 1’b0
See IEEE 802.3 annex 28C for details
Read Only
Table 15. Reserved Registers (0x09…0x0E) Bit Definitions
Bit(s)
9.15:0…
14.15:0
Default Value
16B’0000_0000_0000_0000
Name
Reserved
Description
Read will return 0, writes will be ignored
Read/Write
Read Only
Bit(s)
15.15
15.14
15.13
15.12
15.11:0
Table 16. Extended Status Register (0x0F) Bit Definitions
Default Value
1B’1
1B’0
1B’0
1B’0
12B’0000_0000_0000
Name
1000Base-X FD
1000Base-X HD
1000Base-T FD
1000Base-T HD
Reserved
Description
Always reads 1, indicating device supports Full Duplex mode.
Read will return 0, writes will be ignored.
Read will return 0, writes will be ignored.
Read will return 0, writes will be ignored.
Read will return 0, writes will be ignored.
Read/Write
Read Only
Read Only
Read Only
Read Only
Read Only
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