Specification
1. Technical Details
Module
USB-C connection for USB-to-Serial
User I/O (with carrier board)
3x buttons (1 Reset, 2 General Purpose)
3x LED (3 General Purpose)
Form factor
38.1mm x 58.42mm
2. PIN MAP
1
P0.08
I/O
General-purpose I/O
2
P0.09
I/O
General-purpose I/O
3
P0.10
I/O
General-purpose I/O
4
P0.11
I/O
General-purpose I/O
5
RESET
Input
System reset
6
GND
—
Ground
7
3.6V(OUT)
Output
3.6V regulated output
8
3.3V(OUT)
Output
3.3V regulated output
9
VSYS(IN)
Input
System supply input (3.0-5.5V)
10
VBUS(IN)
Input
USB 5V power input
11
VEXT(IN)
Input
External regulated power input
12
GND
—
Ground
13
LED0/P0.23
Output
General-purpose LED (active low, red)
14
LED1/P0.24
Output
General-purpose LED (active low, yellow)
15
LED2/P0.25
Output
General-purpose LED (active low, green)
16
BTN0/P0.18
Input
General-purpose Button (internal pull-up)
17
BTN1/P0.19
Input
General-purpose Button (internal pull-up)
18
GND
—
Ground
19
VGPIO(IN)
Input
I/O reference voltage input (Can be connected with 3.3V)
20
P0.17
I/O
General-purpose I/O
21
P0.16
I/O
General-purpose I/O
22
P0.14
I/O
General-purpose I/O
23
P0.12
I/O
General-purpose I/O
24
P0.15
I/O
General-purpose I/O
25
P0.13
I/O
General-purpose I/O
26
P0.31
I/O
General-purpose I/O
27
P0.29
I/O
General-purpose I/O
28
P0.30
I/O
General-purpose I/O
29
P0.28
I/O
General-purpose I/O
RST BTN
Reset push button connected to the nRF9151 reset line
CHARGE
External charging connector linked to VEXT input
TYPE-C
USB Type-C connector for power and data interface
J-LINK
10-pin SWD debug connector for programming and debugging
3. Assembled som + somcb
4. Dimensions
