TLK10031 Datasheet, PDF (62/146 Pages) Texas Instruments – TLK10031 Single-Channel XAUI/10GBASE-KR Transceiver

TLK10031
SLLSEL3A – JULY 2015 – REVISED AUGUST 2015
www.ti.com
7.5.2.6 HS_SERDES_CONTROL_4 (register: 0x0005) (default: 0x2000) (device address: 0x1E)
Figure 7-46. HS_SERDES_CONTROL_4 Register
15
14
13
12
11
10
9
8
HS_RX_
INVPAIR
(RXG)
HS_TX_
INVPAIR
(RXG)
RESERVED
HS_TWPOST1[4:0]
(RXG)
R/W
R/W
R/W
R/W
7
6
5
4
3
2
1
0
HS_TWPRE[3:0]
(RXG)
HS_TWPOST2[3:0]
(RXG)
R/W
R/W
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Bit Field
15 HS_RX_INVPAIR
(RXG)
14 HS_TX_INVPAIR
(RXG)
13 RESERVED
12:8 HS_TWPOST1[4:0]
(RXG)
7:4 HS_TWPRE[3:0]
(RXG)
3:0 HS_TWPOST2[3:0]
(RXG)
Table 7-20. HS_SERDES_CONTROL_4 Field Description
Type
R/W
R/W
R/W
R/W
R/W
R/W
Reset
Description
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
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
For TI use only (Default 1’b1)
Adjacent post cursor1 Tap weight. Selects TAP settings for TX waveform.
(Default 5’b00000 ) Refer Table 7-21.
Precursor Tap weight. Selects TAP settings for TX waveform.
(Default 4’b0000) Refer Table 7-23.
Adjacent post cursor2 Tap weight. Selects TAP settings for TX waveform. (Default
4’b0000) Refer Table 7-22.
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Detailed Description
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