2
Schematic diagrams
Figure 5.
X-NUCLEO-IOD02A1 circuit schematic (1 of 2)
INT
JP3
PB8
PA9
(Note: I2C_SCL)
(Note: I2C_SDA)
PA6
PA7
PA8
(Note: UART2 TX, ST-LINK)
(Note: UART2 RX, ST-LINK)
100 N.M.
CN5
20
22
100
28
10
VIN
SS
38
4
11
100
CN9
21
21
CQ
29
DIO
1
31
13
34
8
default open
CN6
28
7
13
CTLD
IOREF
L-
DI/DQ/2L+
1
SCLK
NRST
R103
2
N.M.
MISO
DEFAULT
ALTERNATE
DEFAULT
DEFAULT
8
R105
5
10
7
MISO
5
7
VIN
100 N.M.
R104
9
R117
3
3
20
GND
12
100 N.M.
UART(RX)
1
6
37
MOSI
ALTERNATE
11
SSQ-119-04-L-D
2
MOSI
2
VCC
100
JP7
38
26
100 N.M.
JP4
17
5
4
33
GND
12
16
100
2
1
CN3
CN2
7
DEFAULT
DEFAULT
PA4
PB0
ALTERNATE
CN9(3)
PA0
ALTERNATE
PA1
PC0
PC1
6
SSQ-108-04-F-S
31
MISO
SS
8
ALTERNATE
CN1
INT
1
MISO
CTLD
18
37
14
9
6
SSQ-119-04-L-D
7
33
32
5
L+
9
32
3
JP5
VIN
1
3
SSQ-108-04-F-S
4
3
PA10
22
17
36
30
default open
R112
3V3
16
2
24
1
UART(TX)
24
2
MOSI
3
35
30
SS
SS
35
CN7
default open
R131
1
19
CN8
100
27
VDCDC
6
23
100 N.M.
100
26
INT
4
15
AVDD
SSQ-110-04-F-S
2
25
4
R102
MOSI
27
JP9
2
N.M.
2
36
1
100
3V3
INT
C/Q
PA3
PC7
PB6
PB5
PA5
23
CN10
PB4
PB10
PB3
PB9
PA2
10
6
18
default closed
R132
SCLK
5
default open
R113
25
8
5V
8
SCLK
29
34
R114
3
CTLD
SCLK
R115
R111
DOUT
R101
14
Arduino Connectors
Morpho Connectors
IO-Link Device supply
voltage 7 V - 36 V
5
100
UART(RX)
4
5V
19
SSQ-106-04-F-S
15
6
UM2741
-
Rev 1
page 6/14
UM2741
Schematic diagrams
