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4.9
X8 – Expansion Connector 1
Almost all pins of the Core Modules’ CM1 connector are connected to the expansion connector X8. Variations are
marked ‘RED’.
X8 Pin No
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
CM1 Pin No
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
34
35
36
37
38
39
40
41
42
43
44
45
46
DEV-BF5xxDA-lite V5.x Hardware User Manual Detailed Description
3.3V 1)
3.3V 1)
GND
nc
5.0V 2)
5.0V 2)
Vin of X11 3)
Vin of X11 3)
nc
15