UM2206
Electrical schematics
UM2206 Rev 3
47/55
F
igu
re
23
. Arduino
e
x
te
ns
ion
c
onne
ct
ors
58
A
rduin
o
e
x
tensi
o
n
connector
s
Title
:
Size:
Reference:
Sheet:
o
f
A4
Revi
si
o
n
:
Proj
ect:
N
U
C
LEO64
ext-SMP
S
MB13
1
9
C0
1
0
5
-Janu
ary-20
1
8
L412
RB_P
D
ate:
-
V
ariant
:
IOREF
5V
A0 A1 A2 A3 A4 A5
D
0_RX
D
1_TX
D
2_IO
D
4_IT
D
3_TI
M
D
5_TI
M
D
6_TI
M
D
7_IO
D
8_IO
D
9_TI
M
D
10_TI
M
_SPI_CS
D
14_SDA
D
15_SCL
PA0
PA4
PA5
PA6
PA7
PA1
2
PB0
PB1
PB3
PB4
PB8
PB7
PA1
1
PA1
PA1
5
PA1
3
PA1
4
PA8
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
PB5
PB6
PB14
PB15
PB2
PB11
PB12
PB13
PC8
PC9
PC10
PC11
PC12
PC13
PC14
PC15
PB10
N
RST
VI
N
PD2
PA[0..15
]
PA[0..15
]
PB[0.
.1
5
]
PB[0.
.1
5
]
PC[0.
.1
5
]
PC[0.
.1
5
]
PD2
PD2
AGND
N
RST
N
RST
AVDD
5V_S
T
L
IN
K
VDD
BOO
T
0
BOO
T
0
BOO
T
0
D
13_SPI_SCK
D
12_MI
S
O
D
11_TI
M
_MO
S
I
MCU
Ardui
no
Connec
tor
Ardui
noC
onnec
tor
Ardui
no
Connec
tor
Ard
uin
o
Con
ne
cto
r
E5V
M
o
rpho connector
M
o
rpho connector
V
BAT
510R
R34
SB17
Socket 6x
1
1
2
3
4
5
6
CN1
0
Socket 8x
1
1
2
3
4
5
6
7
8
CN9
Socket 8x
1
1
2
3
4
5
6
7
8
CN8
Socket 10
x
1
1
2
3
4
5
6
7
8
9
10
CN7
H
eader 19
x
2
1
2
3
4
5
7
9
11
13
15
17
19
6
8
10
12
14
16
18
20
21
23
25
27
29
31
33
35
37
22
24
26
28
30
32
34
36
38
CN5
H
eader 19
x
2
1
2
3
4
5
7
9
11
13
15
17
19
6
8
10
12
14
16
18
20
21
23
25
27
29
31
33
35
37
22
24
26
28
30
32
34
36
38
CN6
PH1
PH0
PH[0..1]
PH[0..1]
PA9
PA1
0
PA3
PA2
PB9
SB21
DNF
SB15
DNF
SB14
IOREF
3V3
3V3
3V3_P
E
R
VDD_M
C
U
3V3_P
E
R
GR
E
E
N
LD4
IO
REF SELECTION
IOREF= 3V
3
IOREF = 3V
3
_
PER
IOREF = VD
D
_
MCU
SB21
SB15
SB14
Clo
se
d
Ope
n
O
pe
n
Ope
n
Ope
n
Ope
n
Ope
n
C
lose
d
Clo
se
d
Main
ly
for 1V
8
compati
b
ility
1K
R35
5V_VI
N
A
RD_
D
0
_
R
X
AR
D
_D1_TX
D
efaul
t
47K
R36
3
1
2
9
0
1
3
-SOT
2
3
Q2
100K
R33
D
efaul
t U
A
RT1
from
PA9
/PA1
0
O
p
ti
o
n
al:
LPUA
RT1
from
PA2
/PA3
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