TLK10031 Datasheet, PDF (63/146 Pages) Texas Instruments – TLK10031 Single-Channel XAUI/10GBASE-KR Transceiver

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TLK10031
SLLSEL3A – JULY 2015 – REVISED AUGUST 2015
Table 7-21. HSTX Post-Cursor1 Transmit Tap Weights
HS_TWPOST1[4:0]
Value
Tap weight (%)
00000
0
00001
+2.5
00010
+5.0
00011
+7.5
00100
+10.0
00101
+12.5
00110
+15.0
00111
+17.5
01000
+20.0
01001
+22.5
01010
+25.0
01011
+27.5
01100
+30.0
01101
+32.5
01110
+35.0
01111
+37.5
HS_TWPOST1[4:0]
Value
Tap weight (%)
10000
0
10001
–2.5
10010
–5.0
10011
–7.5
10100
–10.0
10101
–12.5
10110
–15.0
10111
–17.5
11000
–20.0
11001
–22.5
11010
–25.0
11011
–27.5
11100
–30.0
11101
–32.5
11110
–35.0
11111
-37.5
Table 7-22. HSTX Post-Cursor2 Transmit Tap Weights
HS_TWPOST2[3:0]
Value
Tap weight (%)
0000
0
0001
+2.5
0010
+5.0
0011
+7.5
0100
+10.0
0101
+12.5
0110
+15.0
0111
+17.5
HS_TWPOST2[3:0]
Value
Tap weight (%)
1000
0
1001
–2.5
1010
–5.0
1011
–7.5
1100
–10.0
1101
–12.5
1110
–15.0
1111
–17.5
Table 7-23. HSTX Pre-Cursor Transmit Tap Weights
HS_TWPRE[3:0]
Value
Tap weight (%)
0000
0
0001
+2.5
0010
+5.0
0011
+7.5
0100
+10.0
0101
+12.5
0110
+15.0
0111
+17.5
HS_TWPRE[3:0]
Value
Tap weight (%)
1000
0
1001
–2.5
1010
–5.0
1011
–7.5
1100
–10.0
1101
–12.5
1110
–15.0
1111
–17.5
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