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HDB44 Connector Pinout

As explained in OP8940 Hardware Interface, both HDB44 connectors J1 and J2 share the same pin-out

8940

Pin

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

Signal Name

CH0

CH2

CH4

GND

CH8

CH10

CH12

GND

CH16

CH18

CH20

GND

CH24

CH26

CH28

Pin

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

Signal Name

CH1

CH3

CH5

GND

CH9

CH11

CH13

GND

CH17

CH19

CH21

GND

CH25

CH27

CH29

 

Pin

31

32

33

34

35

36

37

38

39

40

41

42

43

44

 

Signal Name

CH7

CH6

GND

GND

CH15

CH14

GND

GND

CH23

CH22

GND

GND

CH31

CH30

 

XJ2 Connector Pinout


XJ2 SignalOP8940XJ2 PinXJ2 SignalOP8940XJ2 Pin
P0.0CH0a1P2.0CH16a7
P0.1CH1b1P2.1CH17b7
P0.2CH2d1P2.2CH18d7
P0.3CH3e1P2.3CH19e7
P0.4CH4a2P2.4CH20a8
P0.5CH5b2P2.5CH21b8
P0.6CH6d2P2.6CH22d8
P0.7CH7e2P2.7CH23e8
GNDGNDa3GNDGNDa9
GNDGNDb3GNDGNDb9
GNDGNDc3GNDGNDc9
GNDGNDd3GNDGNDd9
GNDGNDe3GNDGNDe9
P1.0CH8a4P3.0CH24a10
P1.1CH9b4P3.1CH25b10
P1.2CH10d4P3.2CH26d10
P1.3CH11e4P3.3CH27e10
P1.4CH12a5P3.4CH28a11
P1.5CH13b5P3.5CH29b11
P1.6CH14d5P3.6CH30d11
P1.7CH15e5P3.7CH31e11
GNDGNDa6GNDGNDa20
GNDGNDb6GNDGNDb20
GNDGNDc6GNDGNDc20
GNDGNDd6GNDGNDd20
GNDGNDe6GNDGNDe20
GNDGNDa17GNDGNDa23
GNDGNDb17GNDGNDb23
GNDGNDc17GNDGNDc23
GNDGNDd17GNDGNDd23
GNDGNDe17GNDGNDe23



XJ3 connector pinout


XJ3 connector

Molex connector (on standard RTI) 

XJ3 pinOP8910
HVBus_A
GGND
FVBus_B
EGND
DVUser_1
CGND
BVUser_2
AGND

J3

GNDGND
VBus_AVBus_B


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