TLK10031 Datasheet, PDF (60/146 Pages) Texas Instruments – TLK10031 Single-Channel XAUI/10GBASE-KR Transceiver

TLK10031
SLLSEL3A – JULY 2015 – REVISED AUGUST 2015
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Table 7-17. HSTX AC Mode Output Swing Control
HS_SWING[3:0]
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
AC MODE
TYPICAL AMPLITUDE (mVdfpp)
130
220
300
390
480
570
660
750
830
930
1020
1110
1180
1270
1340
1400
7.5.2.5 HS_SERDES_CONTROL_3 (register: 0x0004) (default: 0x1500) (device address: 0x1E)
Figure 7-45. HS_SERDES_CONTROL_3 Register
15
HS_ENTRACK
(RXG)
R/W
14
13
12
HS_EQPRE[2:0]
(RXG)
R/W
11
10
HS_CDRFMULT[1:0]
(RXG)
R/W
7
6
5
4
RESERVED
HS_PEAK_DIS HS_H1CDRMO
ABLE
DE
(RXG)
(RXG)
R/W
R/W
R/W
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
3
2
HS_TWCRF[4:0]
(RXG)
R/W
9
8
HS_CDRTHR[1:0]
(RXG)
R/W
1
0
Bit Field
15 HS_ENTRACK
(RXG)
14:12 HS_EQPRE[2:0]
(RXG)
11:10 HS_CDRFMULT[1:0]
(RXG)
9:8 HS_CDRTHR[1:0]
(RXG)
60
Detailed Description
Table 7-18. HS_SERDES_CONTROL_3 Field Description
Type
R/W
R/W
R/W
R/W
Reset
Description
HSRX ADC Track mode.
0 = Normal operation (Default 1’b0)
1 = Forces ADC into track mode
Serdes Rx precursor equalizer selection
000 = 1/9 cursor amplitude
001 = 3/9 cursor amplitude (Default 3’b001)
010 = 5/9 cursor amplitude
011 = 7/9 cursor amplitude
100 = 9/9 cursor amplitude
101 = 11/9 cursor amplitude
110 = 13/9 cursor amplitude
111 = Disable
Clock data recovery algorithm frequency multiplication selection (Default 2'b01)
00 =First order. Frequency offset tracking disabled
01 = Second order. 1x mode
10 = Second order. 2x mode
11 = Reserved
Clock data recovery algorithm threshold selection (Default 2'b01)
00 = Four vote threshold
01 = Eight vote threshold
10 = Sixteen vote threshold
11 = Thirty two vote threshold
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