> For the complete documentation index, see [llms.txt](https://nucode.gitbook.io/nuseries/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://nucode.gitbook.io/nuseries/modules/nu-54.md).
# NU-54
**CONTENTS** [Downloads](#downloads) | [Realistic View](#realistic-view) | [Functional Description](#funtional-description) | [Pin Layout](#pin-layout)
***
## **Downloads**
{% endcolumn %}
{% endcolumns %}
## **Funtional Description**
* ### **Product Variant Overview**
| Family | Internal IC | Memory Configuration | Available Output Types |
| ------ | ----------- | ------------------------ | ------------------------------------ |
| NU-54V | nRF54L15 | 1524 KB NVM / 256 KB RAM | Chip antenna, Direct RF output, IPEX |
| NU-54 | nRF54L05 | 500 KB NVM / 96 KB RAM | Chip antenna, Direct RF output, IPEX |
* ### **Features**
**CPU**
* NU-54V:
nRF54L15 with 1524 KB non-volatile memory (NVM / RRAM), 256 KB RAM, 128 MHz ARM Cortex-M33 processor with 128 MHz RISC-V coprocessor.
* NU-54:
nRF54L05 with embedded 500 KB non-volatile memory (NVM / RRAM), 96 KB RAM, 128 MHz ARM Cortex-M33 processor with 128 MHz RISC-V coprocessor.
**Bluetooth® LE**
* Bluetooth® Low Energy 6.0 compatible 2.4 GHz radio
* Bluetooth® LE 2M, LE 1M and LE coded
* -96 dBm sensitivity in 1 Mbps Bluetooth LE mode
* Configurable TX power with 1 dBm step size from -10 dBm to maximum
**Multiprotocol 2.4 GHz radio**
* Supports IEEE 802.15.4-2020 radio mode at 250 kbps
* Supports proprietary 2.4 GHz radio modes at 4 Mbps, 2 Mbps, 1 Mbps
* Suitable for Matter, Thread and Zigbee applications depending on the software stack and firmware configuration
**NFC**
* Supports NFC-A tag interface based on the nRF54Lxx NFCT peripheral
* Supports 13.56 MHz NFC-A listen mode at 106 kbps
* Supports wake-on-field low power field detection mode
* Supports EasyDMA for NFC data packet transfer
**Power Management**
* Supply voltage range 1.7V to 3.6V
* On-Chip DC/DC and LDO regulators with power-efficient operation
**Peripherals**
* SPI, TWI, UART, PWM, PDM, I2S, ADC
**ChannelSounding**
* NU-54 Family supports Bluetooth® Channel Sounding, introduced in Bluetooth® Core 6.0.
This feature enables secure and accurate distance measurement between two Bluetooth LE devices and can be used for proximity, ranging, asset tracking, smart lock and presence detection applications.
**Security**
* ARM TrustZone security subsystem
* Supports Arm TrustZone, Root of Trust, secure boot and secure storage
* Cryptographic engine (CRACEN) and Key management (KMU)
* Supports Tamper detectors (TAMPC, GLITCHDET) and Side-channel protection
* ### **Application**
* NU-54 Family is available in a variety of applications, including:
* Smart city nodes
* AI-enabled cameras
* Farm gateways
* Wireless sensor
* Metering tags
* Healthcare monitoring
## Pin Layout
No.
Name
Function
1
GND
Power
2
P1.09
I/O
3
P1.10
I/O
4
P1.11/AIN4
I/O
5
P1.12/AIN5
I/O
6
P1.13/AIN6
I/O
7
P1.14/AIN7
I/O
8
VDD
Power
9
VDD
Power
10
GND
Power
11
GND
Power
12
P1.00/XL1
I/O
13
P1.01/XL2
I/O
14
P1.02/NFC1
I/O
15
P1.03/NFC2
I/O
16
P1.04/AIN0
I/O
17
P1.05/AIN1
I/O
18
P1.06/AIN2
I/O
19
P1.07/AIN3
I/O
20
P1.08
I/O
21
P2.00
I/O
22
P2.01
I/O
23
P2.02
I/O
24
GND
Power
25
P2.03
I/O
26
P2.04
I/O
27
P2.05
I/O
28
P2.06
I/O
29
P2.07
I/O
30
P2.08
I/O
31
P2.09
I/O
32
P2.10
I/O
33
P0.00
I/O
34
P0.01
I/O
35
SWDIO
I/O
36
SWDCLK
Input
37
GND
Power
38
P0.02
I/O
39
P0.03
I/O
40
P0.04
I/O
41
RESET
Input
42
GND
Power
43
GND
Power
44
GND
Power
45
GND
Power
46
GND
Power
47
GND
Power
48
GND
Power
49
GND
Power
50
GND
Power
51
GND
Power
52
GND
Power
53
GND
Power
54
GND
Power
55
GND
Power
56
GND
Power
57
GND
Power
58
GND
Power
59
GND
Power
60
GND
Power
61
GND
Power
62
GND
Power
{% hint style="warning" %}
· Dedicated functions such as analog inputs and the 32.768 kHz low-frequency crystal are limited to specific pins.
· Analog signals shall be connected to AIN0–AIN7 pins, and an external 32.768 kHz crystal shall be connected to XL1 and XL2.
{% endhint %}
