ST STEVAL-IFS002V2, User Manual

Page: 6 / 20

STR9 MEMS demonstration board schematics UM0542
6/20
3 STR9 MEMS demonstration board schematics
Figure 3. Schematics - analog and digital MEMS
P5
5
P8
0
P
81
P8
2
P
83
P2
2
P
84
P2
3
P
85
P2
4
P
86
P8
7
P
25
P2
6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
CN
4
DIGI
T
A
L_
CO
N
P4
1
P4
2
P4
3
P4
4
P4
5
P4
6
P4
7
P7
7
P7
6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
CN
5
ANAL
OG
_C
ON
P4
0
3.3 V
P5
4
3.3 V
RES(V
DD
)
1
RES(V
DD
)
2
S0
3
S1
4
ST
5
PD
6
V
OUTX
7
V
OUTY
8
V
OUTZ
9
GND
10
V
OUT
11
A
u
x_
in
12
V
DD
13
RE
S(
Vdd)
14
U1 LI
S3
02
AL
B
Vdd_io
1
GND
2 3
GND
4
GND
5 6
CS
7
IN
T_
1
8
IN
T_
2
9
GND
10
GND
11
SD
O
12
SD
A/SD
13
SC
L_
SPC
14
U4 LI
S302
D
L
V
CC
P40-MEMS
P41-MEMS P42-MEMS P43-MEMS
46
P4
7
P4
4
P7
6
P5
5
P5
4
SC
L_
SPC
I2
C
1
_D
A
T
A
SSP0_MIS
O
SSP0
_M
OS
I
I2
C
1_C
LK
I2
C
1
_D
A
T
A
SSP0_SCL
K
SSP0_M
OSI
SSP0_M
IS
O
S
D
A/
SD
I
SD
A/SD
I
SSP0
_S
CL
KI
2C
1_
CL
K S
C
L
_
SPC
7 6
FS/
NC
5
ST
1
FS/
NC
2
GN
D
3
8
RE
S
4
LI
S3/2
L
0
6
/2A
L
U2 LI
S3/2
L0
6/2A
L
P4
0-MEMS
P4
1-MEMS
P4
5
P4
4
P42-MEMS
RD
Y/
IN
T
1
SD
O
2
SD
A/SD
I/
SD
O
3
VDD_io
4
SC
L/
SPC
5
CS
6
NC
7
CK
8
GND
9
RE
S
10 11
RE
S
12 13
GND
14
RE
S
15
GN
D
16
U6 LI
S3
LV
02
DL
SSP0_MIS
O
P5
4
SD
A/SD
I
SC
L_SPC
P8
2
P8
0
ANALOG
MEMS
DI
GI
T
AL MEMS
GN
D
1 2 3
ST
4 5
PD
6
7
FS
8
RE
S
9
RE
S
10
RE
S
11 12
GN
D
13
NC
14
NC
15
NC
16
U3 LI
S3
LV
02AL3
P4
0-MEMS
P4
4
P4
1-MEMS
P7
7
P4
2-MEMS
P4
5
NC
1
GN
D
2 3
RE
S
4
GN
D
5
RD
Y/
IN
T
6
NC
7
NC
8
SD
O
9
SD
ASDI/SDO
10
Vdd_i
o
11
SC
L/SPC
12
CS
13
NC
14
NC
15
CK
16
GN
D
17
RE
S
18 19
RE
S
20
NC
21
NC
22
NC
23
NC
24
NC
25
NC
26
NC
27
NC
28
U5 LI
S3
LV
02D
Q
SSP0_MIS
O
SD
A/SD
I
SC
L_SPC
P8
1
P5
5
C1
0
10
0 nF
C2
0
100 nF
C3
0
100 nF
C4
0
100 n
F
C5
0
100 nF
C6
100 nF
C5
1
100 nF
C5
2
100 nF
C4
1
100 nF
C6
1
100nF
R0
1
4.7 k
Ω
R0
2
4.7 k
Ω
C1
1
2.2 µF
C2
1
2.
2 µF
C3
1
2.2 µF
3.3 V
P2
7
R0
3
4
.7 k
Ω
AM00334
V
CC
V
CC
V
DD
V
CC
V
CC
V
CC
V
CC
V
DD
V
DD
V
DD
V
DD
V
DD
V
DD
V
DD
V
DD
V
DD
V
DD
V
DD
V
DD
V
DD
V
DD
V
DD
V
DD
V
DD
V
DD
V
CC
V
OUTX
V
OUTY
V
OUTZ
V
OUTY
V
OUTX
V
OUTZ
V
CC
Downloaded from Elcodis.com electronic components distributor