SNLA467 July   2024 TDP2004

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2Access Methods
    1. 2.1 Pin-Strap Mode
    2. 2.2 SMBus, I2C Primary Mode
    3. 2.3 SMBus, I2C Secondary Mode
  6. 3Register Mapping
    1. 3.1 Shared Registers
    2. 3.2 Channel Registers
  7. 4RX Equalization Control Settings
  8. 5Flat-Gain
  9. 6RX Equalization and Flat Gain Selection Matrix
  10. 7TDP2004 Programming Example
    1. 7.1 PD Control Through Register Programming
    2. 7.2 Broadcast Channel CTLE Index or Flat Gain Selection Through Register Programming (CTLE Index 2, Flat Gain 0dB)
    3. 7.3 Individual Channel CTLE Index or Flat Gain Selection Through Register Programming (CTLE Index 2, Flat Gain 0dB)
  11. 8Summary
  12. 9References

RX Equalization and Flat Gain Selection Matrix

Table 6-1 RX Equalization and Flat Gain Selection Matrix
CTLE Index Flat Gian Reg. Range Offset 0x01 Reg. Range Offset 0x03

0

-6dB

0x80

0x00

0

-4dB

0x80

0x01

0

-2dB

0x80

0x03

0

0dB (default)

0x80

0x05

0

2dB

0x80

0x07

1

-6dB

0x88

0x00

1

-4dB

0x88

0x01

1

-2dB

0x88

0x03

1

0dB (default)

0x88

0x05

1

2dB

0x88

0x07

2

-6dB

0x98

0x00

2

-4dB

0x98

0x01

2

-2dB

0x98

0x03

2

0dB (default)

0x98

0x05

2

2dB

0x98

0x07

Default

-6dB

0x00

0x00

Default

-4dB

0x00

0x01

Default

-2dB

0x00

0x03

Default

0dB (default)

0x00

0x05

Default

2dB

0x00

0x07

5

-6dB

0x00

0x08

5

-4dB

0x00

0x09

5

-2dB

0x00

0x0B

5

0dB (default)

0x00

0x0D

5

2dB

0x00

0x0F

6

-6dB

0x08

0x08

6

-4dB

0x08

0x09

6

-2dB

0x08

0x0B

6

0dB (default)

0x08

0x0D

6

2dB

0x08

0x0F

7

-6dB

0x10

0x08

7

-4dB

0x10

0x09

7

-2dB

0x10

0x0B

7

0dB 9default)

0x10

0x0D

7

2dB

0x10

0x0F

8

-6dB

0x18

0x18

8

-4dB

0x18

0x19

8

-2dB

0x18

0x1B

8

0dB (default)

0x18

0x1D

8

2dB

0x18

0x1F

9

-6dB

0x20

0x18

9

-4dB

0x20

0x19

9

-2dB

0x20

0x1B

9

0dB (default)

0x20

0x1D

9

2dB

0x20

0x1F

10

-6dB

0x29

0x38

10

-4dB

0x29

0x39

10

-2dB

0x29

0x3B

10

-2dB

0x29

0x3D

10

0dB (default)

0x29

0x3F

11

-6dB

0x31

0x38

11

-4dB

0x31

0x39

11

-2dB

0x31

0x3B

11

0dB (default)

0x31

0x3D

11

2dB

0x31

0x3F

12

-6dB

0x41

0x38

12

-4dB

0x41

0x39

12

-2dB

0x41

0x3B

12

0dB (default)

0x41

0x3D

12

2dB

0x41

0x3F

13

-6dB

0x51

0x38

13

-4dB

0x51

0x39

13

-2dB

0x51

0x3B

13

0dB (default)

0x51

0x3D

13

2dB

0x51

0x3F

14

-6dB

0x52

0x78

14

-4dB

0x52

0x79

14

-2dB

0x52

0x7B

14

0dB (default)

0x52

0x7D

14

2dB

0x52

0x7F

15

-6dB

0x5B

0x78

15

-4dB

0x5B

0x79

15

-2dB

0x5B

0x7B

15

0dB (default)

0x5B

0x7D

15

2dB

0x5B

0x7F

16

-6dB

0x64

0x78

16

-4dB

0x64

0x79

16

-2dB

0x64

0x7B

16

0dB (default)

0x64

0x7D

16

2dB

0x64

0x7F

17

-6dB

0x6D

0x78

17

-4dB

0x6D

0x79

17

-2dB

0x6D

0x7B

17

0dB (default)

0x6D

0x7D

17

2dB

0x6D

0x7F

18

-6dB

0x76

0x78

18

-4dB

0x76

0x79

18

-2dB

0x76

0x7B

18

0dB (default)

0x76

0x7D

18

2dB

0x76

0x7F

19

-6dB

0x7F

0x78

19

-4dB

0x7F

0x79

19

-2dB

0x7F

0x7B

19

0dB (default)

0x7F

0x7D

19

2dB

0x7F

0x7F