TLK3114SA_13 Datasheet, PDF (40/66 Pages) Texas Instruments – 10-Gbps XAUI Transceiver

MDC
Table 3−11. MDIO Device Address
DADR(4:1)
DADR0
DEVICE MODE
0010
0
PHY XS
0010
1
DTE XS
MDIO
32 “1”s
0
0
0
0
A4
A0 DA4 DA0
1
0
A15 A0
1
Preamble
Start
PHY Address
Reg
Address
Idle
Dev Address
Address Code
Turn Around
Figure 3−21. Management Interface Extended Space Address Timing
MDC
MDIO
32 “1”s
0
0
0
1
A4
A0 DA4 DA0
1
0
D15 D0
1
Preamble
Start
Write Code
PHY Address
Data
Idle
Dev Address
Turn Around
Figure 3−22. Management Interface Extended Space Write Timing
MDC
MDIO
32 “1”s
Hi-Z
0
0
1
1
A4
A0 DA4 DA0
0
D15 D0
1
Preamble
Start
Read Code
PHY Address
Dev Address
Data
Idle
Turn Around
Figure 3−23. Management Interface Extended Space Read Timing
MDC
MDIO
32 “1”s
Hi-Z
0
0
1
0
A4
A0 DA4 DA0
0
D15 D0
1
Preamble
Start
PHY Address
Read and Inc Code
Dev Address
Data
Idle
Turn Around
Figure 3−24. Management Interface Extended Space Read and Increment Timing
The IEEE 802.3 Clause 22 and Clause 45 specifications define many of the registers and additional registers have
been implemented for expanded functionality. The IEEE-defined registers and the expanded functionality registers
are outlined in Table 3−12.
3−21