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UM0532
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User manual
STEVAL-MKI020V1
adapter board for the LIS302SG
Introduction
The STEVAL-MKI020V1 is an adapter board designed to facilitate the evaluation of the
LIS302SG three-axis analog output linear accelerometer. The board offers an effective
solution for fast system prototyping and device evaluation directly within the user’s own
application.
The STEVAL-MKI020V1can be plugged into a standard DIL 24 socket. The adapter
provides the complete LIS302SG pinout and comes ready-to-use with the required
decoupling capacitors on the Vdd power supply line.
The pinout of the adapter is fully compatible with all other available adapter boards, making
it possible to switch from one sensor to another easily during device evaluation without the
need for board redesign.
This user manual provides information on the STEVAL-MKI020V1 only. For details regarding
the LIS302SG specifications, please refer to the datasheet for the device.
June 2008 Rev 1 1/5
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Adapter board layout and pin description UM0532
www.BDTIC.com/ST
1 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
Pin #1
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 Ta bl e 1.
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)
For additional information regarding the use of the STEVAL-MKI020V1 3-axis
accelerometer, please refer to the device datasheet.
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UM0532 Schematic and connection diagram
1
2
3
4
5
6
7
8
9
10
11
12
Head er 12
JP1
24
23
22
21
20
19
18
17
16
15
14
13
Head er 12
JP2
+
10uF
C2
100n F
C1
P01
P02
P03
P04
P05
P06
P07
P08
P09
P10
P11
31P21P
P14
P15
P16
P17
P18
P19
P20
P21
P22
P23
P24
P13
P01
Rsvd
1
Rsvd
14
Vdd
13
Aux_ in
12
Vout _m ux
11
GND
10
Vout Z
9
Vout Y
8
Vout X
7
PD
6
ST
5
S1
4
S0
3
Rsvd
2
LIS302SG
U1
P23
P24
P16
P18
P04
P06
P08
P13
P12
P10
P01
P01
P01
P01
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2 Schematic and connection diagram
Figure 2. Schematic and connection diagram for the STEVAL-MKI020V1
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Revision history UM0532
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3 Revision history
Table 2. Document revision history
Date Revision Changes
24-June-2008 1 Initial release.
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UM0532
www.BDTIC.com/ST
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