QFN48 (QFAA) package pin assignments

nRF54LS05B Datasheet

The QFN48 pin assignment figure and table describe the pinouts for this variant of the device.

Pins that can be used as clock signals are shown in as red in the figure. For more information about clock pins, see Clock pins.

Figure 1. QFN48 pin assignments, top view
QFN48 pin assignments, top view
Table 3. QFN48 pin assignments
Pin Clock pin Weak pull-up Name Function Description Dedicated function
1

 

 

P1.00

XL1

Digital I/O

Analog input

General purpose I/O

Connection for 32.768 kHz crystal

 
2

 

 

P1.01

XL2

Digital I/O

Analog input

General purpose I/O

Connection for 32.768 kHz crystal

 
3

 

 

P1.02

Digital I/O

General purpose I/O

 
4

Yes

 

P1.03

Digital I/O

General purpose I/O

 
5

Yes

 

P1.04

AIN0

Digital I/O

Analog input

General purpose I/O

Analog input

 
6

 

 

P1.05

AIN1

Digital I/O

Analog input

General purpose I/O

Analog input

 
7

 

 

P1.06

AIN2

Digital I/O

Analog input

General purpose I/O

Analog input

 
8

 

 

P1.07

AIN3

Digital I/O

Analog input

General purpose I/O

Analog input

 
9

Yes

 

P1.08

 

EXTREF

Digital I/O

Digital I/O

Analog input

General purpose I/O

GRTC CLKOUTFAST

External reference for SAADC

 

GRTC
10

 

 

P1.16

Digital I/O

General purpose I/O

 
11

 

Yes

P1.17

Digital I/O

General purpose I/O

 
12

Yes

Yes

P1.18

Digital I/O

General purpose I/O

 
13

Yes

Yes

P1.19

Digital I/O

General purpose I/O

 
14

 

Yes

P1.20

Digital I/O

General purpose I/O

 
15

 

Yes

P1.21

Digital I/O

General purpose I/O

 
16

 

Yes

P1.22

Digital I/O

General purpose I/O

 
17

Yes

Yes

P1.23

Digital I/O

General purpose I/O

 
18

Yes

Yes

P1.24

Digital I/O

General purpose I/O

 
19

 

Yes

P1.25

Digital I/O

General purpose I/O

 
20

 

Yes

P1.26

Digital I/O

General purpose I/O

 
21

 

Yes

P1.27

Digital I/O

Weak pull-up

General purpose I/O

Weak pull-up

 
22

 

 

P1.28

Digital I/O

General purpose I/O

 
23

 

 

P0.00

Digital I/O

General purpose I/O

 
24

Yes

 

P0.01

Digital I/O

Digital I/O

General purpose I/O

GRTC PWM

 

GRTC
25

 

 

SWDIO

P1.29

Debug

General purpose I/O

Serial wire data. Bidirectional with standard-drive and on-chip pull-down.

GPIO with limitations.

See SWD pins.
26

Yes

 

SWDCLK

P1.30

Debug

General purpose I/O

Serial wire clock. Input with on-chip pull-up.

GPIO with limitations.

See SWD pins.
27

 

 

P0.02

Digital I/O

General purpose I/O

 
28

 

 

P0.03

Digital I/O

General purpose I/O

 
29

Yes

 

P0.04

Digital I/O

Digital I/O

General purpose I/O

GRTC CLKOUT32K

 

GRTC
30

 

 

nRESET

Reset

Pin reset with on-chip pull-up

 
31

 

 

ANT

RF

Single ended radio antenna connection

See Reference circuitry for guidelines on how to ensure good RF performance.
32

 

 

VSS_PA

Power

Ground (radio supply)

 
33

 

 

DECRF

Power

0.9 V regulator supply decoupling

Must be connected to DECA. See Reference circuitry.
34

 

 

XC1

Analog input

Connection for 32 MHz crystal

 
35

 

 

XC2

Analog input

Connection for 32 MHz crystal

 
36

 

 

P1.31

Digital I/O

General purpose I/O

 
37

 

 

P1.09

Digital I/O

General purpose I/O

 
38

 

 

P1.10

Digital I/O

General purpose I/O

 
39

Yes

 

P1.11

Digital I/O

General purpose I/O

 
40

Yes

 

P1.12

Digital I/O

General purpose I/O

 
41

 

 

P1.13

Digital I/O

General purpose I/O

 
42

 

 

P1.14

Digital I/O

General purpose I/O

 
43

 

 

DECA

Power

0.9 V regulator supply decoupling

Must be connected to DECRF. See Reference circuitry.
44

 

 

VSS

Power

Ground

 
45

 

 

DECD

Power

0.9 V regulator supply decoupling

 
46

 

 

DCC

Power

DC/DC regulator output

 
47

 

 

VDD

Power

Power supply

 
48

 

 

P1.15

Digital I/O

General purpose I/O

 
49

 

 

VSS

Power

Ground pad (die pad)