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OP8666 Digital Input Connectors

Owned by Sylvain Ménard
Last updated: May 28, 2024
1 min read


Note

Both DB37 and DB50 connectors have the same electrical connection; therefore, inputs can only be connected to either of them at the same time.
But the corresponding pin of an input on a connector can be used for monitoring on the other connector.

Information

The DB37 connector pin mapping directly matches the ones found on OPAL-RT's line of simulators and I/O expansion units.



Pin Number



TMS320F28379D

Pin Name

DB50

DB37

Description

Alternate Usage

Pin Name

Pin No.

DI1

49

1

Digital Input, 3.3V~5V

CAP1

GPIO24

K3

DI2

48

2

Digital Input, 3.3V~5V

CAP2

GPIO25

K2

DI3

47

3

Digital Input, 3.3V~5V

CAP3

GPIO26

K1

DI4

46

4

Digital Input, 3.3V~5V

CAP4

GPIO27

L1

DI5

45

5

Digital Input, 3.3V~5V

XINT4

GPIO44

K18

DI6

44

6

Digital Input, 3.3V~5V

XINT5

GPIO133

G18

DI7

43

7

Digital Input, 3.3V~5V

QEP3A

GPIO62

J17

DI8

42

8

Digital Input, 3.3V~5V

QEP3B

GPIO63

J16

DI9

41

9

Digital Input, 3.3V~5V

QEP2A

GPIO54

P18

DI10

40

10

Digital Input, 3.3V~5V

QEP2B

GPIO55

P19

DI11

39

11

Digital Input, 3.3V~5V

SD1-D1

GPIO48

R16

DI12

38

12

Digital Input, 3.3V~5V

SD1-C1

GPIO49

R17

DI13

37

13

Digital Input, 3.3V~5V

SD1-D2

GPIO50

R18

DI14

36

14

Digital Input, 3.3V~5V

SD1-C2

GPIO51

R19

DI15

35

15

Digital Input, 3.3V~5V

INXBAR5

GPIO32

U13

DI16

34

16

Digital Input, 3.3V~5V

INXBAR6

GPIO33

T13

GND

1, 18-33, 50

20-35, 37

Logic Ground

-

-

-

+5VDC-185VDC For External Digital Outputs---

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