ONET1131EC
ZHCSFG0 –SEPTEMBER 2016
www.ti.com.cn
7.6.3.4 TX Register 13 (offset = 0h) [reset = 0]
Figure 34. TX Register 13
7
6
5
4
3
2
1
0
TXOUTSEL
R/W
TXMODE
R/W
TXSTEP
R/W
TXSLOW
R/W
TXDEADJ3
R/W
TXDEADJ2
R/W
TXDEADJ1
R/W
TXDEADJ0
R/W
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 11. TX Register 13 Field Descriptions
Bit
Field
Type
Reset
Description
TX output selection bit
7
TXOUTSEL
R/W
0
1 = The negative output TXOUT– is active
0 = The positive output TXOUT+ is active
TX output mode selection bit
1 = Single-ended mode
0 = Differential mode
6
5
4
TXMODE
TXSTEP
TXSLOW
R/W
R/W
R/W
0
0
0
TX output de-emphasis mode selection bit
1 = Delayed de-emphasis
0 = Normal de-emphasis
TX edge speed selection bit
1 = Slow edge speed
0 = Normal operation
3
2
1
0
TXDEADJ3
TXDEADJ2
TXDEADJ1
TXDEADJ0
R/W
R/W
R/W
R/W
0
0
0
0
TX de-emphasis setting
0000 = minimum
1111 = maximum
7.6.3.5 TX Register 14 (offset = 0000 0000) [reset = 0h]
Figure 35. TX Register 14
7
6
5
4
3
2
1
0
TXCPSGN
R/W
TXCPADJ6
R/W
TXCPADJ5
R/W
TXCPADJ4
R/W
TXCPADJ3
R/W
TXCPADJ2
R/W
TXCPADJ61
R/W
TXCPADJ60
R/W
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 12. TX Register 14 Field Descriptions
Bit
7
Field
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset
Description
TXCPSGN
TXCPADJ6
TXCPADJ5
TXCPADJ4
TXCPADJ3
TXCPADJ2
TXCPADJ1
TXCPADJ0
0
0
0
0
0
0
0
0
TX Eye cross-point adjustment setting
TXCPSGN = 1 (positive shift)
6
Maximum shift for 1111111
5
Minimum shift for 0000000
TXCPSGN = 0 (negative shift)
4
3
Maximum shift for 1111111
Minimum shift for 0000000
2
1
0
28
Copyright © 2016, Texas Instruments Incorporated