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Following is a pinout for the LX2162A SOM, alternatively you can download this as Excel version.

J3 Header

 

Notes

Driving IC

IC ball number

Schematics Pin Name

Pin Number

Pin Number

Schematics Pin Name

IC ball number

Driving IC

Notes

1

 

 

 

PWR_OK

2

1

EVT0_B

T4

1.8V, GPIO_3[12], 4.7K Pull-up

SMB_ALERT#

2

 

 

 

VBAT

4

3

EVT1_B

T6

1.8V, GPIO_3[13], 4.7K Pull-up

THRM#

3

 

 

 

5V

6

5

EVT2_B

U5

1.8V, GPIO_3[14], 4.7K Pull-up

 

4

 

 

 

5V

8

7

EVT4_B

AA3

1.8V, GPIO_3[16], 4.7K Pull-up

 

5

PROC_TMS

LX2162A

E21

DUT_TMS

10

9

EVT3_B

Y4

1.8V, GPIO_3[15], 4.7K Pull-up

 

6

PROC_TCK

LX2162A

E23

DUT_TCK

12

11

TA_BB_VDD

 

 

 

7

 

 

 

3.3V

14

13

TMP_DETECT_B

Y6

1.8V, 4.7K Pull-up

 

8

PROC_TDI

LX2162A

F20

DUT_TDI

16

15

OVDD

 

 

 

9

 

 

 

I2C_MASTER_SCL

18

17

V_2.5

 

 

 

10

 

 

 

I2C_MASTER_SDA

20

19

V_2.5

 

 

 

11

PROC_TDO

LX2162A

E19

DUT_TDO

22

21

I2C1_SCL_3p3

 

NTSX2102GD, 2.2K Pull-up

 

12

 

 

 

TA_PROG_SFP

24

23

I2C1_SDA_3p3

 

NTSX2102GD, 2.2K Pull-up

 

13

FTM1_CH4 / GPIO_3[0]

1.8V,  4.7K Pull-up

R5

PROC_IRQ0

26

25

SPI_D0_1v8

 

 

 

14

 

 

 

SPI_MUX_1v8_3v3

28

27

SPI_D1_1v8

 

 

 

15

 

 

 

SPI_CS_B_1v8

30

29

SPI_SCK_1v8

 

 

 

...

 

Notes

Driving IC

IC ball number

Schematics Pin Name

Pin Number

Pin Number

Schematics Pin Name

IC ball number

Driving IC

Notes

1

 

 

 

GND

2

1

GND

 

 

 

2

Diff 100 Ohm

LX2162A

BG7

SD1_RX3_P

4

3

SD1_TX3_P

BE9

LX2162A

Diff 100 Ohm *DC block capacitor required

3

Diff 100 Ohm

LX2162A

BH8

SD1_RX3_N

6

5

SD1_TX3_N

BD10

LX2162A

Diff 100 Ohm *DC block capacitor required

4

 

 

 

GND

8

7

GND

 

 

 

5

Diff 100 Ohm

LX2162A

BG5

SD1_RX2_P

10

9

SD1_TX2_P

BE7

LX2162A

Diff 100 Ohm *DC block capacitor required

6

Diff 100 Ohm

LX2162A

BH6

SD1_RX2_N

12

11

SD1_TX2_N

BD8

LX2162A

Diff 100 Ohm *DC block capacitor required

7

 

 

 

GND

14

13

GND

 

 

 

8

Diff 100 Ohm

LX2162A

BC1

SD1_RX1_P

16

15

SD1_TX1_P

BC5

LX2162A

Diff 100 Ohm *DC block capacitor required

9

Diff 100 Ohm

LX2162A

BD2

SD1_RX1_N

18

17

SD1_TX1_N

BD4

LX2162A

Diff 100 Ohm *DC block capacitor required

10

 

 

 

GND

20

19

GND

 

 

 

11

Diff 100 Ohm

LX2162A

BA1

SD1_RX0_P

22

21

SD1_TX0_P

BA5

LX2162A

Diff 100 Ohm *DC block capacitor required

12

Diff 100 Ohm

LX2162A

BB2

SD1_RX0_N

24

23

SD1_TX0_N

BB4

LX2162A

Diff 100 Ohm *DC block capacitor required

13

 

 

 

GND

26

25

GND

 

 

 

14

Diff 100 Ohm

LX2162A

BG9

SD2_RX0_P

28

27

SD2_TX0_P

BE11

LX2162A

Diff 100 Ohm *DC block capacitor required

15

Diff 100 Ohm

LX2162A

BH10

SD2_RX0_N

30

29

SD2_TX0_N

BD12

LX2162A

Diff 100 Ohm *DC block capacitor required

16

 

 

 

GND

32

31

GND

 

 

 

17

Diff 100 Ohm

LX2162A

BG11

SD2_RX1_P

34

33

SD2_TX1_P

BE13

LX2162A

Diff 100 Ohm *DC block capacitor required

18

Diff 100 Ohm

LX2162A

BH12

SD2_RX1_N

36

35

SD2_TX1_N

BD14

LX2162A

Diff 100 Ohm *DC block capacitor required

19

 

 

 

GND

38

37

GND

 

 

 

20

Diff 100 Ohm

LX2162A

BG13

SD2_RX2_P

40

39

SD2_TX2_P

BE15

LX2162A

Diff 100 Ohm *DC block capacitor required

21

Diff 100 Ohm

LX2162A

BH14

SD2_RX2_N

42

41

SD2_TX2_N

BD16

LX2162A

Diff 100 Ohm *DC block capacitor required

22

 

 

 

GND

44

43

GND

 

 

 

23

Diff 100 Ohm

LX2162A

BG15

SD2_RX3_P

46

45

SD2_TX3_P

BE17

LX2162A

Diff 100 Ohm *DC block capacitor required

24

Diff 100 Ohm

LX2162A

BH16

SD2_RX3_N

48

47

SD2_TX3_N

BD18

LX2162A

Diff 100 Ohm *DC block capacitor required

25

 

 

 

GND

50

49

GND

 

 

 

26

Diff 100 Ohm / SD2_PLLF_REF_CLK_P

*100M HCSL required

BG19

CLK_SLOT1_P

52

51

CLK_161_BYP_P

 

 

Not Connected

27

Diff 100 Ohm/ SD2_PLLF_REF_CLK_N

*100M HCSL required

BH20

CLK_SLOT1_N

54

53

CLK_161_BYP_N

 

 

Not Connected

28

 

 

 

GND

56

55

GND

 

 

 

29

Diff 100 Ohm

LX2162A

BG23

SD2_RX4_P

58

57

SD2_TX4_P

BE23

LX2162A

Diff 100 Ohm *DC block capacitor required

30

Diff 100 Ohm

LX2162A

BH24

SD2_RX4_N

60

59

SD2_TX4_N

BD24

LX2162A

Diff 100 Ohm *DC block capacitor required

31

 

 

 

GND

62

61

GND

 

 

 

32

Diff 100 Ohm

LX2162A

BG25

SD2_RX5_P

64

63

SD2_TX5_P

BE25

LX2162A

Diff 100 Ohm *DC block capacitor required

33

Diff 100 Ohm

LX2162A

BH26

SD2_RX5_N

66

65

SD2_TX5_N

BD26

LX2162A

Diff 100 Ohm *DC block capacitor required

34

 

 

 

GND

68

67

GND

 

 

 

35

Diff 100 Ohm

LX2162A

BG27

SD2_RX6_P

70

69

SD2_TX6_P

BE27

LX2162A

Diff 100 Ohm *DC block capacitor required

36

Diff 100 Ohm

LX2162A

BH28

SD2_RX6_N

72

71

SD2_TX6_N

BD28

LX2162A

Diff 100 Ohm *DC block capacitor required

37

 

 

 

GND

74

73

GND

 

 

 

38

Diff 100 Ohm

LX2162A

BG29

SD2_RX7_P

76

75

SD2_TX7_P

BE29

LX2162A

Diff 100 Ohm *DC block capacitor required

39

Diff 100 Ohm

LX2162A

BH30

SD2_RX7_N

78

77

SD2_TX7_N

BD30

LX2162A

Diff 100 Ohm *DC block capacitor required

40

 

 

 

GND

80

79

GND

 

 

 

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*No DC blocking capacitor on any of the SerDes lanes

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