TLK10081 Datasheet, PDF (30/62 Pages) Texas Instruments – 10Gbps 1-8 CHANNEL MULTI-RATE SERIAL LINK AGGREGATOR

TLK10081
SLLSEE9 – NOVEMBER 2013
www.ti.com
Table 6-9. HS_SERDES_CONTROL_4
Register Address:0x05 SPACERDefault:0x2000
Bit(s) Name
Description
15
HS_RX_INVPAIR Receiver polarity.
0 = Normal polarity. HSRXxP considered positive data. HSRXxN considered negative data
(Default 1’b0)
1 = Inverted polarity. HSRXxP considered negative data. HSRXxN considered positive data
14
HS_TX_INVPAIR Transmitter polarity.
0 = Normal polarity. HSTXxP considered positive data and HSTXxN considered negative data
(Default 1’b0)
1 = Inverted polarity. HSTXxP considered negative data and HSTXxN considered positive data
13
RESERVED
For TI use only (Default 1’b1)
12:8
HS_TWPOST1[4:0] Adjacent post cursor1 Tap weight. Selects TAP settings for TX waveform.
(Default 5’b00000 ) Refer Table 6-10.
7:4
HS_TWPRE[3:0] Precursor Tap weight. Selects TAP settings for TX waveform.
(Default 4’b0000) Refer Table 6-12.
3:0
HS_TWPOST2[3:0] Adjacent post cursor2 Tap weight. Selects TAP settings for TX waveform. (Default 4’b0000)
Refer Table 6-11.
Access
RW
RW
RW
RW
RW
RW
Table 6-10. HSTX Post-Cursor1 Transmit Tap Weights
VALUE
00000
00001
00010
00011
00100
00101
00110
00111
01000
01001
01010
01011
01100
01101
01110
01111
5.12:8
TAP WEIGHT (%)
0
+2.5
+5.0
+7.5
+10.0
+12.5
+15.0
+17.5
+20.0
+22.5
+25.0
+27.5
+0
+32.5
+35.0
+37.5
VALUE
10000
10001
10010
10011
10100
10101
10110
10111
11000
11001
11010
11011
11100
11101
11110
11111
5.12:8
TAP WEIGHT (%)
0
–2.5
–5.0
–7.5
–10.0
–12.5
–15.0
–17.5
–20.0
–22.5
–25.0
–27.5
–0
–32.5
–35.0
-37.5
Table 6-11. HSTX Post-Cursor2 Transmit Tap Weights
VALUE
0000
0001
0010
0011
0100
0101
0110
0111
5.3:0
TAP WEIGHT (%)
0
+2.5
+5.0
+7.5
+10.0
+12.5
+15.0
+17.5
VALUE
1000
1001
1010
1011
1100
1101
1110
1111
5.3:0
TAP WEIGHT (%)
0
–2.5
–5.0
–7.5
–10.0
–12.5
–15.0
–17.5
30
PROGRAMMERS REFERENCE
Submit Documentation Feedback
Product Folder Links: TLK10081
Copyright © 2013, Texas Instruments Incorporated