TLK10232 datasheet(49/102 Pages) TI

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TLK10232

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SLLSEE1 – MAY 2013

Table 8-16. LSRX Output AC Mode Output Swing Control (continued)

LS_SWING[2:0]

AC MODE

TYPICAL AMPLITUDE (mVdfpp)

011

710

100

850

101

950

110

1010

111

1050

Table 8-17. LSRX Output De-emphasis

LS_DE[3:0]

Value

Amplitude reduction

Value

Amplitude reduction

(%)

0000

1000

38.08

–4.16

0001

4.76

–0.42

1001

42.85

–4.86

0010

9.52

–0.87

1010

47.61

–5.61

0011

14.28

–1.34

1011

52.38

–6.44

0100

19.04

–1.83

1100

57.14

–7.35

0101

23.8

–2.36

1101

61.9

–8.38

0110

28.56

–2.92

1110

66.66

–9.54

0111

33.32

–3.52

1111

71.42

–10.87

Table 8-18. LS_SERDES_CONTROL_3

Device Address: 0x1E SPACER Register Address:0x0008 SPACER Default:0x000D

Bit(s)

Name

Description

Access

LS_RX_INVPA LS Serdes lane outputs polarity on the receive channel. (x = Channel A or B, y = Lane 0 or 1 or 2

or 3)

(RXG)

0 = Normal polarity. OUTxyP considered positive data. OUTxyN considered negative data

(Default 1’b0)

1 = Inverted polarity. OUTxyP considered negative data. OUTxyN considered positive data

LS_TX_INVPA

LS Serdes lane inputs polarity on the transmit channel. (x = Channel A or B, y = Lane 0 or 1 or 2

or 3)

(RXG)

0 = Normal polarity. INxyP considered positive data and INxyN considered negative data (Default

1’b0)

1 = Inverted polarity. INxyP considered negative data and INxyP considered positive data

13:12

RESERVED

For TI use only (Default 2’b00)

11:8

LS_EQ[3:0]

LS Serdes Equalization control (Default 4’b0000). Table 8-19

(RXG)

7:0

RESERVED

For TI use only (Default 8'b00001101)

DEVICE REGISTERS

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