User's Manual

NINA-B1 series - Data Sheet
UBX-15019243 - R05 Early Production Information Pin definition
Page 15 of 35
No.
Name
I/O
Description
nRF52 pin
Remarks
1
GPIO_1
I/O
General purpose I/O
P0.08
2
GPIO_2
I/O
General purpose I/O
P0.11
3
GPIO_3
I/O
General purpose I/O
P0.12
4
GPIO_4
I/O
General purpose I/O
P0.13
5
GPIO_5
I/O
General purpose I/O
P0.14
6
GND
-
Ground
7
GPIO_7
I/O
General purpose I/O
P0.16
8
SWO/GPIO_8
I/O
Serial Wire debug trace data output
P0.18
May be used as a GPIO
9
VCC_IO
I
Module I/O level voltage input
Must be connected to VCC on NINA-
B1
10
VCC
I
Module supply voltage input
1.7-3.6 V range
11
SWDCLK
I
Serial Wire Debug port clock signal
12
GND
-
Ground
13
ANT
I/O
Tx/Rx antenna interface
50 Ω nominal characteristic
impedance, only used with NINA-
B111 modules
14
GND
-
Ground
15
SWDIO
I/O
Serial Wire Debug port data signal
16
GPIO_16
I/O
Analog function enabled GPIO
P0.28
Pin is analog capable, use as low
drive, low frequency GPIO only
17
GPIO_17
I/O
Analog function enabled GPIO
P0.29
Pin is analog capable, use as low
drive, low frequency GPIO only
18
GPIO_18
I/O
Analog function enabled GPIO
P0.30
Pin is analog capable, use as low
drive, low frequency GPIO only
19
RESET_N
I/O
System reset input
P0.21
Active low
20
GPIO_20
I/O
General purpose I/O
P0.31
Low drive, low frequency I/O only
21
GPIO_21
I/O
General purpose I/O
P0.07
22
GPIO_22
I/O
General purpose I/O
P0.06
23
GPIO_23
I/O
Analog function enabled GPIO
P0.05
Pin is analog capable
24
GPIO_24
I/O
Analog function enabled GPIO
P0.02
Pin is analog capable
25
GPIO_25
I/O
Analog function enabled GPIO
P0.03
Pin is analog capable
26
GND
-
Ground
27
GPIO_27
I/O
Analog function enabled GPIO
P0.04
Pin is analog capable
28
NFC1/GPIO_28
I/O
NFC pin 1 (default)
P0.09
May be used as a GPIO
29
NFC2/GPIO_29
I/O
NFC pin 2 (default)
P0.10
May be used as a GPIO
30
GND
-
Ground
Table 7: NINA-B1 series pin-out