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TRW-nRF52840 Bluetooth Module

Model:
TRW-nRF52840

The WS-nRF52840 module is a high-performance, low-power, multi-protocol solution based on the Nordic Semiconductor nRF52840 SoC. 

This module integrates all necessary components, making it ideal for applications in IoT, BLE, Zigbee, and Thread.

FEATURES


High-Integration Design:
Equipped with an Arm® Cortex®-M4F processor, providing powerful computing capabilities. It can run applications independently, eliminating the need for an additional microcontroller.

Multi-Protocol Support:
Capable of simultaneously running multiple wireless protocols, making it suitable for IoT devices, such as smart home systems, automation controls, and wearable devices.

Low Power Consumption:
Utilizes advanced power management technology and supports ultra-low power modes, making it ideal for battery-powered devices and extending operational lifespan.

High-Sensitivity Wireless Communication:
Features a 2.4GHz transceiver with +8dBm transmission power and -95 dBm receiver sensitivity, ensuring stable long-range communication.

Versatile I/O Interfaces:
Provides various I/O interfaces, facilitating easy connections with sensors and external devices.


bluetooth.jpg

Processor: 32-bit ARM Cortex-M4 with FPU

Frequency Band: 2.4GHz ISM band

Memory: 1MB Flash, 256KB RAM

Connectivity: BLE 5.0, Bluetooth Mesh, Zigbee, Thread, ANT, proprietary 2.4GHz

Operating Voltage: 1.7 ~ 5.5V

Integrated Components: Antenna, Crystal oscillators, and Passive components

Antenna: Built-in Antenna eliminates the need for external Antennas.




APPLICATIONS


Wearable devices


/upload/202502131152745136.jpg   /upload/202502131153132176.jpg


Smart home products


/upload/202502131154200342.jpg   /upload/202502131154807359.jpg


Industrial IoT


/upload/202502131155516644.jpg   /upload/202502131155135950.jpg


Health monitoring devices


/upload/202502131156072125.png   /upload/202502131156208351.png


Asset tracking systems


/upload/202502131156403878.png   /upload/202502131156421611.png





SPECIFICATIONS


General

Dimensions: 19.5 mm x 14.3 mm x 2 mm

Weight: 2 grams

Operating Temperature: -40°C ~ +85°C

Package: Surface-mount module


Power Consumption

Active RX Mode: 4.6 mA

Active TX Mode: 4.8 mA at 0 dBm

System On, Idle Mode: 1.5 µA


Radio Performance

Frequency Range: 2400MHz ~ 2483.5MHz

Output Power: up to +8dBm

Sensitivity: -103dBm at 1Mbps BLE

Data Rates: 125kbps to 2Mbps (BLE)



Interfaces

GPIO: up to 24 configurable pins

UART: 2

SPI: 3

I2C: 2

PWM: 4




REFERENCE DESIGN


Detailed layout and schematic examples for integrating the module in to a PCB, including recommended PCB stackup and guidelines for antenna placement.


Front view


/upload/202502132259143046.png

Pin

/upload/202502132259956251.png




Pin DESCRIPTION


A detailed pinout diagram with descriptions of each pin (e.g., power supply pins, ground pins, and communication interfaces).




Pin ASSIGNMENT


/upload/202502132304313753.png


Pin

Name

I/O

Description

1

P1.11

I/O

Digital I/O, software configured

2

P1.10

I/O

Digital I/O, software configured

3

P1.13

I/O

Digital I/O, software configured

4

P0.02/AIN0

I/O

Digital I/O, software configured

5

P0.31/AIN7

I/O

Digital I/O, software configured

6

P1.15

I/O

Digital I/O, software configured

7

P0.29/AIN5

I/O

Digital I/O, software configured

8

P0.07

I/O

Digital I/O, software configured

9

GND

I

Ground

10

VDD

I

Supply voltage for 1.7 V to 3.6 V

11

P0.04/AN2

I/O

Digital I/O, software configured

12

P0.27

I/O

Digital I/O, software configured

13

P0.06

I/O

Digital I/O, software configure

14

P0.08

I/O

Digital I/O, software configure

15

P1.09

I/O

Digital I/O, software configured

16

P0.12

I/O

Digital I/O, software configured

17

VDDH

I

Supply voltage for 2.5 V to 5.5V

18

GND

I

Ground

19

P0.11

I/O

Digital I/O, software configured

20

P0.14

I/O

Digital I/O, software configured

21

P0.13

I/O

Digital I/O, software configured

22

P0.15

I/O

Digital I/O, software configured

23

P0.18/RESRT

I/O

Digital I/O, software configured/RESET

24

P0.19

I/O

Digital I/O, software configured

25

P0.21

I/O

Digital I/O, software configured

26

P0.22

I/O

Digital I/O, software configured

27

P0.23

I/O

Digital I/O, software configured

28

P0.01

I/O

Digital I/O, software configured