RN4020-V/RM

RN4020 Bluetooth® Low Energy Module _Fully-Certifi ed Bluetooth Version 4.1 Module_ 

## Features 

- 

- On-board embedded Bluetooth low energy stack 

- Simple ASCII command interface over UART 

- Multiple IOs for control and status 

- Secure AES128 encryption 

- 

- Create custom services using command API 

- Data streaming with Microchip’s Low Energy Data Profi le (MLDP) 

- Scripting for standalone module operation with analog and digital data collection 

- 7 dBm transmit power for 100m+ range* 

- Field upgradeable via the UART interface or over the air 

## Summary 

The RN4020 is a Bluetooth® Smart module for designers who want to easily add ©) Bluetooth low-power regulatory approved wireless capability to their products. As with Microchip’s other “RN” Bluetooth modules, the RN4020 provides a turnkey solution with a complete software stack, and RF components on board. The RN4020 includes an onboard antenna and is interfaced and configured via a simple ASCII command interface over UART. 

The module supports all standard Bluetooth SIG profiles, and Microchip’s Low-Energy Data Profile (MLDP) for custom serial data transfer. Developers can also use scripting to set the RN4020 up for standalone operation where any one of the analog or digital I/Os can be monitored and the values can be transmitted over wireless without the use of a host MCU or processor. This makes the RN4020 an excellent solution for low-power sensors and accessories. The compact 11.5 × 19.5 × 2.5 mm size, enables ease of integration. 

- Software-confi gurable role as peripheral or central, client or server 

- Compact form factor, 11.5 × 19.5 × 2.5 mm 

- Low-power modes 

- UART interface, GPIO, ADC 

- 64 KB internal serial Flash 

- Castellated SMT pads for easy and reliable PCB mounting 

- Environmentally friendly, RoHS compliant 

- 

## Applications 

- Wireless pulse sensors 

- Proximity sensor applications 

- Clinical applications 

- Consumer appliances/home automation 

- Smart watches/activity trackers 

- Mobile device accessories 

- Industrial control 

As a complete solution interfaced over UART, the RN4020 is a true drop-in solution that is easy to use and easy to prototype, significantly reducing time to market and the expense of regulatory certifications. 

With 7 dBm transmit power, the RN4020 achieves a range of 100 meters*, and with a deep sleep mode of less than 1 μA, designs can be powered from a single coin cell battery. 

*Dependent on specific application environment. 

## Block Diagram 

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**----- Start of picture text -----**<br>
RN4020 Bluetooth [®]  4.1 Low-Energy Module<br>High Performance<br>Integrated Antenna<br>Host ASCII<br>Command -<br>MLDP Data  Factory<br>Interface Test Interface<br>UART Radio Debug<br>64 KB Serial<br>3x Analog I/O a Flash for<br>10-bit ADC Modem<br>a User Profiles<br>and Scripts<br>7x Digital I/O | BTLE v4.1 Core<br>GPIO<br>a with Complete    Crystal<br>BT SIG Certified<br>Firmware GATT/GAP 1.8–3.6 VDC<br>128b AES Encryption VREG<br>— -- |<br>Ordering Information<br>Part Number Description<br>RN4020-V/RM Bluetooth® 4.1 Class 2 surface mount low-energy module with on-board PCB trace antenna<br>Evaluation kit for the RN4020 Bluetooth low-energy module. Includes evaluation board with USB<br>RN-4020-PICTAIL<br>interface and mini USB cable<br>Development Tools<br>Specifi cations<br>a Standard Bluetooth® 4.1 RN4020 PICtail™/PICtail Plus Daughter Board<br>Profi les GATT, GAP, SM, L2CAP (RN-4020-PICTAIL)<br>———————— Frequency 2.4–2.48 GHz .o = The RN4020 PICtail/PICtail Plus Daughter<br>Board is a single board with the RN4020<br>Maximum Data Rate 1 Mbps paired with a PIC18 microcontroller.<br>Interface UART, PIO, AIO, SPI It has a convenient USB interface for<br>Operation Range 100 meters* plug-and-play capability. It also has PICtail,<br>PICtail Plus and PICkit™ 3 interfaces for<br>Sensitivity −92.5 dBm<br>development within the Microchip ecosystem. The board<br>RF TX Power +7 dBm has all module pins exposed for UART and additional<br>Antenna PCB Trace connectivity, including on-board connection and status LEDs.<br>**----- End of picture text -----**<br>


The RN4020 PICtail/PICtail Plus Daughter Board is a single board with the RN4020 paired with a PIC18 microcontroller. It has a convenient USB interface for plug-and-play capability. It also has PICtail, PICtail Plus and PICkit™ 3 interfaces for 

development within the Microchip ecosystem. The board has all module pins exposed for UART and additional connectivity, including on-board connection and status LEDs. 

*Dependent on specific application environment. 

## www.microchip.com/wireless 

Visit our web site for additional product information and to locate your local sales office. 

Microchip Technology Inc. • 2355 W. Chandler Blvd. • Chandler, AZ 85224-6199 

Information subject to change. The Microchip name and logo and the Microchip logo are registered trademarks and PICkit and PICtail are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. All other trademarks mentioned herein are property of their respective companies. © 2014, Microchip Technology Incorporated. All Rights Reserved. Printed in the U.S.A. 6/14 DS70005184A