User's Manual

6
Pin Assignment
GND
NRST
SWDIO
SWCL
K
VCC
1
2
3
4
5
PA0
PB2
PB1
PB3
PB4
6
7
8
9
10
PB0
PC0
PA1
GND
11
12
13
14
PA
4
PA
5
PC
0
SW
CL
K
NR
ST
VC
C
GN
D
VCC
VCC
PA3
PA6
PB5
PC1
PA5
PA4
PB6
PB7
PA2
GND
GND
27
26
25
24
23
22
21
20
19
18
17
16
15
RF-
SX1276
MCU
NXP-LPC54102J256UK49
Clearance
Area
Reserved
For Antenna
29
30
31
32
33
34
35
36
37
38
GND
40
EXT
ERN
AL_
RF
28
39
41
GND
ISP
SW
DIO
UAR
T_Rx
x
RX
UAR
T_Tx
TX