Connectors

UM1900

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DocID027905 Rev 3

4

Connectors

The pin assignments for the Arduino UNO R3 and the Morpho connectors are shown in

Table 7: "Morpho connector table" and Table 8: "Arduino connector table" respectively.

Table 7: Morpho connector table

Connector

Pin

Signal

Remarks

CN7

1

MIC_CLKx2

If SB20 is close

3

MIC_PDM34

If SB20 is close

6

E5V

12

3V3

16

3V3

18

5V

20

GND

22

GND

24

V_IN

29

OSC_CLK_OUT

If SB6 is close

35

MIC_CLK_NUCLEO

If SB12 is close

CN10

11

MIC_CLKx2

If SB8 is close

12

OTG_FS_DP_NUCLEO

If SB1 is close

14

OTG_FS_DM_NUCLEO

If SB2 is close

15

MIC_PDM34

If SB10 is close

25

MIC_PDM34

If SB17 is close

26

MIC_PDM12

If SB11 is close

27

MIC_CLKx2

If SB15 is close

28

MIC_PDM12

If SB16 is close

29

MIC_CLK_NUCLEO

If SB7 is close

30

MIC_CLKx2

If SB13 is close

Table 8: Arduino connector table

Connector

Pin

Signal

Remarks

CN6

2

3V3

4

3V3

5

5V

6

GND

7

GND

8

V_IN

CN5

6

MIC_CLKx2

If SB8 is close

4

MIC_PDM34

If SB10 is close

CN9

7

MIC_PDM34

If SB17 is close

6

MIC_CLKx2

If SB15 is close

5

MIC_CLK_NUCLEO

If SB7 is close