TLK10031 Datasheet, PDF (61/146 Pages) Texas Instruments – TLK10031 Single-Channel XAUI/10GBASE-KR Transceiver

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TLK10031
SLLSEL3A – JULY 2015 – REVISED AUGUST 2015
Table 7-18. HS_SERDES_CONTROL_3 Field Description (continued)
Bit Field
7 RESERVED
6 HS_PEAK_DISABLE
(RXG)
5 HS_H1CDRMODE
(RXG)
4:0 HS_TWCRF[4:0]
(RXG)
Type
R/W
R/W
R/W
R/W
Reset
Description
For TI use only (Default 1’b0)
HS Serdes PEAK_DISABLE control
0 = Normal operation (Default 1’b0)
1 = Disables high frequency peaking. Suitable for <6 Gbps operation
HS_Serdes H1CDRMODE control
0 = Normal operation (Default 1’b0)
1 = Enables CDR mode suitable for short channel operation.
Cursor Reduction Factor (Default 5’b00000). Refer to Table 7-19
Table 7-19. HSTX Cursor Reduction Factor Weights
HS_TWCRF[4:0]
Value
00000
00001
00010
00011
00100
00101
00110
00111
01000
01001
01010
01011
01100
01101
01110
01111
Cursor reduction (%)
0
2.5
5.0
7.5
10.0
12
15
Reserved
HS_TWCRF[4:0]
Value
10000
10001
10010
10011
10100
10101
10110
10111
11000
11001
11010
11011
11100
11101
11110
11111
Cursor reduction (%)
17
20
22
25
27
30
32
35
37
40
42
45
47
50
52
55
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