ST STEVAL-IFS002V1, User Manual

Page: 4 / 17

Schematics UM0376
4/17
2 Schematics
Figure 3. STR9 dongle schematics
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
T
itle
Nu
m
b
er
Re
vi
si
on
Siz
e
A3
D
ate
:
21.2.2007
S
h
ee
t o
f
F
il
e:
D
:\
S
T
R
9
_
DONG
L
E
\.
.\
S
T
R9
_
M
E
M
S
_
M
ODUL
E
.S
ch
D
oc
Dr
awn
By
:
P5
5
P8
0
P
8
1
P8
2
P
8
3
P2
2
P
8
4
P2
3
P
8
5
P2
4
P
8
6
P8
7
P
2
5
P2
6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
CN4 D
IG
ITA
L_
C
O
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
CN5 ANAL
OG
_
C
ON
P4
0
3V
3
P5
4
3V
3
RE
S
(V
d
d
)
1
RE
S
(V
d
d
)
2
S0
3
S1
4
ST
5
PD
6
Vou tx
7
Vou
ty
8
Vou
tz
9
GN
D
10
Vou
t
11
Au
x_
in
12
Vd
d
13
RE S(Vdd)
14
U1 LI
S
3
0
2
A
L
B
Vdd_io
1
GND
2
Vcc
3
GND
4
GND
5
Vcc
6
CS
7
INT_ 1
8
INT_ 2
9
GND
10
GND
11
SDO
12
SDA/ SD I
13
SC
L
_
SPC
14
U4 L
IS
302D
L
Vcc
Vc
c
P
40m
em
s
P
41m
em
s
P
42m
em
s
P
43m
em
s
P
46
P4
7
P4
4
P7
6
Vcc
Vd
d
Vd
d
Vd
d
P55
P54
SC
L
_
SPC
I2
C
1_D
AT
A
SSP0_ MISO
SSP0
_
M
O
S
I
Vcc
8
H
O
LD
^/
R
E
S
E
T^
/W
C
7
C/
C/
S
C
L
6
D/
D/
S
D
A
5
S^
/S^
/E
0
1
Q/
Q
/E
1
2
W^/
T
S
L
^/
E
2
3
Vs
s
4
M
9
5x
x/
M
2
5
xx/
M
3
4
x
x
U7 M
9
5
xx/
M
2
5
xx/
M
3
4
x
x
Vm
m
I2
C
1_C
L
K
I2
C1
_
DAT
A
SSP0
_
S
C
L
K
SSP0
_
M
O
S
I
SSP0
_
M
IS
O
SD
A
/SD
I
SSP0
_
M
IS
O
SC
L
_
SPC
S
DA/
S
D
I
SDA/ SD I
SSP0
_
S
C
L
K
I2
C
1
_
C
LK
SC
L
_
SPC
P8
7
P8
5
P8
6
Vou
tx
7
Vou
ty
6
FS/N
C
5
ST
1
Vou
tz/
F
S
/NC
2
GN
D
3
Vdd
8
RES
4
L
IS
3
/2L
06/2A
L
U2 L
IS
3
/2L
06/2A
L
Vc
c
P4
0
m
em
s
P4
1
m
em
s
P4
5
P4
4
P
42m
em
s
RDY /IN T
1
SDO
2
SDA /SD I/SD O
3
Vdd_io
4
SCL /SPC
5
CS
6
NC
7
CK
8
GND
9
RES
10
Vdd
11
RES
12
Vdd
13
GND
14
RE
S
15
GN
D
16
U6 LI
S
3
LV
0
2
D
L
Vd
d
Vd
d
SSP0_ MISO
P54
SDA/ SD I
SCL_ SPC
P82
P8
0
ANALOG
M
E
M
S
DI
G
ITAL M
E
M
S
I2
C/
SPI
EEPROM
/FLASH M
E
M
O
RY
STABI
L
IZ
ATOR FOR ANALOG
M
E
M
S
(
O
PTI
O
NAL)
GN
D
1
Vd
d
2
V
out
x
3
ST
4
Vo
ut
y
5
PD
6
Voutz
7
FS
8
RE
S
9
RE
S
10
RE
S
11
Vd
d
12
GN
D
13
NC
14
NC
15
NC
16
U3 LI
S
3
LV
0
2
A
L
3
Vcc
P4
0
m
em
s
P4
4
P4
1
m
em
s
P77
P42 mem s
P45
Vcc
Vd
d
Vd
d
Vd
d
Vd
d
NC
1
GN
D
2
Vd
d
3
RE
S
4
GN
D
5
RDY
/I
N
T
6
NC
7
NC
8
SDO
9
SDAS DI/S DO
10
Vdd_io
11
SCL/SPC
12
CS
13
NC
14
NC
15
CK
16
GN
D
17
RE
S
18
Vd
d
19
RE
S
20
NC
21
NC
22
NC
23
NC
24
NC
25
NC
26
NC
27
NC
28
U5 LI
S
3
LV
0
2
D
Q
SSP0_ MISO
SDA/ SD I
SCL_ SPC
P81
P5
5
OPERATI
O
NAL AM
PLI
F
IE
R
C1
0
10
0n
F
C2
0
10
0n
F
C3
0
10
0n
F
Vcc
C4
0
100nF
C5
0
100nF
C6
0
100nF
Vd
d
C8
0
100nF
C8
1
100nF
C8
2
100nF
Vcc
Vcc
Vcc
Vcc
P4
2
P4
1
P4
0
P4
2
P4
1
P4
0
R8
0
0
R8
1
0
R8
2
0
P4
0
m
em
s
P
41m
em
s
P4
2
m
em
s
OUT
1
GN
D
2
IN
+
3
Vc
c
5
IN
-
4
U8
0
T
S
507I
L
T
OUT
1
GN
D
2
IN
+
3
Vc
c
5
IN
-
4
U8
1
T
S
507I
L
T
OUT
1
GN
D
2
IN
+
3
Vcc
5
IN
-
4
U8
2
T
S
507I
L
T
Vi
n
1
GN
D
2
IN
H
IB
IT
3
Vou
t
5
NC
4
U1
0
L
D
2980C
M
x
x
Vcc
3V
3
3V
3
X7
R
C
101
2.2
u
F
X7
R
C
100
1uF
C7
0
100nF
C
102
10nF
Vm
m
Vcc
R
100
0
Vcc 3V
3
STABI
L
IZ
ATOR FOR DI
G
ITAL M
E
M
S
(
O
PTI
O
NAL)
Vi
n
1
GN
D
2
IN
H
IB
IT
3
Vou
t
5
NC
4
U1
1
L
D
2980C
x
x
Vd
d
3V
3
3V
3
X7
R
C
111
2.2uF
X7
R
C
110
1uF
C
112
10nF
Vd
d
R
110
0
Vd
d
3V
3
STABI
L
IZ
ATOR FOR M
E
M
O
RY (
O
PTI
O
NAL)
Vi
n
1
GN
D
2
IN
H
IB
IT
3
Vou
t
5
NC
4
U1
3
L
D
2980C
M
x
x
Vm
m
3V
3
3V
3
X7
R
C
131
2.2uF
X7
R
C1
3
0
1uF
C
132
10nF
Vm
m
R
130
0
Vm
m
3V
3
Vc
c
P4
3
P4
3
R8
3
0
P4
3
m
em
s
OUT
1
GN
D
2
IN
+
3
Vcc
5
IN
-
4
U8
3
T
S
50
7I
L
T
C8
3
1
0
0nF
C8
4
10nF
C8
5
10nF
C8
6
10nF
C8
7
10nF
Vc
c
R8
5
10k
R8
4
10k
R8
7
10k
R8
6
10k
R8
9
10k
R8
8
10k
R9
1
10
k
R9
0
10k
C5
1
100nF
C5
2
100nF
C4
1
10
0n
F
C6
1
100nF
C7
1
10nF
R
0
1
4k7
R0
2
4
k
7
Vd
d
Vd
d
X7
R
C
103
10uF
C1
1
2.2uF
C2
1
2
.2uF
C3
1
2.2uF
3V
3
P2
7
R
0
3
4k7
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