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Adapter board layout and pin description

UM0532

2/5

  

Adapter board layout and pin description

A photograph of the adapter board is shown in 

Figure 1

, together with an illustration of the 

top silk-screen layer and the board layout.

Figure 1.

Adapter board photograph, top silk-screen layer and board layout

In addition to the MEMS sensor, the adapter board includes two filtering capacitors (10 µF 
and 100 nF, respectively) on the analog Vdd power supply line.

The pin description of the STEVAL-MKI020V1 is provided in 

Table 1

.

         

For additional information regarding the use of the STEVAL-MKI020V1 3-axis 
accelerometer, please refer to the device datasheet.

Table 1.

STEVAL-MKI020V1 pin description 

Adapter board pin #

Pin name

Function

1

Vdd

Power supply

2-3, 5, 7, 9-12, 14-15, 17-24

NC

Not connected

4

Voutx

Output voltage X channel 

6

Vouty

Output voltage Y channel 

8

Voutz

Output voltage Z channel 

13

GND

0V supply

16

ST

Self-test (logic 0: normal mode; logic 1: self-test)

18

PD

Power-down (logic 0: normal mode; logic 1: self-test)

Pin #1

www.BDTIC.com/ST

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