Figure 3.
X-NUCLEO-SAFEA1 circuit schematic - Arduino and morpho connectors
E5V
3V3
CN7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
SPI_NSS
17
18
19
20
21 22
GND
23 24
25
26
27
28
PH0
29 30
PH1
31
32
33
34
PC1
35 36
PC0
37
38
Header 19x2
5V
CN5
10
9
CN6
8
1
7
2
6
3
5
4
4
3
5
6
2
7
1
8
CN9
CN8
8
1
7
2
6
3
5
4
4
5
3
6
2
1
SCL
SDA
CN10
1
2
3
4
SPI_CLK
5
6
7
8
9
10
CN5-6
11
12
GND
13
14
15
16
17
18
19
20
PA9
21 22
23 24
25
26
SPI_MISO
27
28
SPI_MOSI
29
30
31
32
PA10
33
34
35 36
37
38
Header 19x2
PA12
PA11
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