NB-IoT Module Series
BC65 Hardware Design
BC65_Hardware_Design 15 / 55
3.2. Pin Assignment
26
1
5
1
6
1
7
1
8
1
9
2
0
2
1
2
2
3
6
3
7
3
8
3
9
4
0
4
1
4
2
4
3
4
4
1
2
3
4
5
6
7
8
9
11
12
13
23
24
25
27
28
29
30
31
32
33
34
35
RESERVED
ADC
GND
USIM_DATA
GND
RESERVED
RESERVED
RESERVED
RESERVED
AUX_TXD
AUX_RXD
GND
RESERVED
VDD_EXT
RESERVED
R
E
S
E
R
V
E
D
R
I
P
S
M
_
E
IN
T
M
A
IN
_
T
X
D
M
A
IN
_
R
X
D
N
E
T
L
IG
H
T
R
E
S
E
T
_
N
U
S
IM
_
V
D
D
V
B
A
T
POWER
GND
UART
USIM
ANT
RESERVED
45
46
47
48
49
50
51
52
53
54
55
56
57
58
V
B
A
T
G
N
D
1
4
ANT_RF
G
N
D
G
N
D
G
N
D
R
E
S
E
R
V
E
D
D
B
G
_
T
X
D
D
B
G
_
R
X
D
USIM_RST
USIM_CLK
R
E
S
E
R
V
E
D
PWRKEY
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
GND
OTHERS
BC65
Top View
10
RESERVED
Figure 2: Pin Assignment (Top View)
All RESERVED pins should be kept unconnected.
NOTE