Ultra-Low-Power LoRa® Solutions for Long-Range, Low-Power Designs
The SAM R34/R35 is a highly integrated family of LoRa technology devices that include an ultra-low-power, a high-performance 32-bit microcontroller (MCU), a LoRa transceiver and a software stack. With their certified reference designs and proven interoperability with major LoRaWAN® gateway and network providers, the SAM R34/35 devices significantly reduce time to market for Internet of Things (IoT) end devices.
Find everything you need to create your complete LoRa technology end-node solutions here:
Why Design with the SAM R34/35 Family?
Create Smaller Nodes
- Integrated 32-bit Arm® Cortex®-M0 based MCU and Sub-GHz radio
- Up to 256 KB Flash and 40 KB RAM
- Compact 6 × 6 mm BGA package ICs and small 17.5 × 13.5 mm SMT module
Increase Battery Life
- Ultra-low-power 32-bit Arm Cortex-M0 based MCU
- Sleep currents down to 790 nA
- Low-power RAM with battery backup
Reduce Your Design Risk
- Certified module with u.FL connector
- Certified IC reference design package
- Interoperability-tested software
- Trusted supply chain
Module or IC: What Is the Best Option for Your Design?
WLR089U0 Module
Ultra-Low-Power, Regulatory-Certified Turnkey LoRa Solution
- Based on the ATSAMR34J18 ultra-low-power IC
- FCC, IC and RED certified
- Integrated u.FL antenna connector for ease of use
- Integrated RF switch to support 868 and 915 MHz bands
- 256 KB Flash, 40 KB RAM for application and LoRaWAN stack
- Low power consumption of less than 800 nA with RAM retention
- Integrated TCXO for higher precision
- SMT package with castellated pads for easy soldering and visual inspection
- Compact 17 × 13.5 mm size
SAM R34 LoRa Technology ICs
Ultra-Low-Power and Small LoRa Technology ICs
- Highly integrated ICs with ultra-low-power Arm Cortex-M0+ based MCU and LoRa technology radio
- Up to 256 KB Flash and 40 KB RAM to accommodate application code and stack
- 862 MHz to 1020 MHz coverage with 20 dBm max output power
- Ultra-low-power sleep modes as low as 790 nA
- Compact 64-pin 6 × 6 mm BGA package
- Certified reference design package
WLR089U0 and SAM R34/35 Software Features
Microchip LoRaWAN stack:
- Developed, maintained and supported by Microchip
- Supports Class A and Class C modes of operation
- LoRaWAN 1.0.4 regional parameters
- Multi-region support: US915, EU868, AS923, AU915, KR920, IN865 bands supported
- Proven operation with leading network providers including Actility, Senet, The Things Network and Everynet
Development Ecosystem
The WLR089 Xplained Pro Development Kit (EV23M25A) integrates the FCC-, RED- and ISED-certified WLR089U0 module and includes an on-board debugger, current measurement circuitry and extension headers to connect to additional boards. Supported by Atmel Studio Integrated Development Environment (IDE), software examples and a LoRaWAN stack, this development board greatly simplifies the development of LoRa technology end nodes.
Follow These Three Easy Steps to Get Started:
- Download and install Microchip Studio Integrated Development Environment
- Connect DEBUG USB on the kit to your computer
- Select example demos from Advanced Software Framework (ASF)
The SAM R34/R35 family’s ultra-low power performance combined with rich set of radio and peripheral features make it ideal for a variety of long-range applications where longevity of battery life is of paramount importance.
Smart Agriculture
- Cattle Tracking
- Irrigation Monitoring
- Smart Tractors
Supply Chain and Logistics
- Container Tracking
- Cold Chain Monitoring
- Vehicle Tracking
Smart City
- Street Lighting
- Waste Management
- Metering and Leak Detection
The Industry’s Lowest-Power LoRa® System-in-Package
Accelerate development of remote IoT nodes with the industry’s lowest-power LoRa® System-in-Package family
WLR089 Xplained Pro Development Kit
Part Number: EV23M25A
This kit integrates the FCC-, RED- and ISED-certified WLR089U0 module and includes an on-board debugger, current measurement circuitry and extension headers to connect to additional boards. Supported by Microchip Studio Integrated Development Environment (IDE), software examples and a LoRaWAN stack, this development board greatly simplifies the development of LoRa technology end nodes.
SAM R34 Xplained Pro Evaluation Kit
Part Number: DM320111
The SAM R34 Xplained Pro is a hardware platform designed to evaluate the SAM R34 family of LoRa devices. This FCC-, ISED- and RED-certified board is not only an evaluation platform but also an excellent reference design for developing SAM R34-based LoRa end-node applications.
Microchip Studio Integrated Development Environment (IDE)
Microchip Studio is an Integrated Development Platform (IDP) for developing and debugging AVR® and SAM microcontroller applications. It merges all of the great features and functionality of Atmel Studio into our well-supported portfolio of development tools to give you a seamless and easy-to-use environment for writing, building and debugging your applications written in C/C++ or assembly code.
- ICs
- Modules
| Product | Status | 5K Pricing | Family | Power Output | Type | Interface | Pin Count | IO Pins | RF Module | RF Transceiver | RF Receiver | Max Speed (MHz) | MaxSpeedMIPS | Operating Temperature | Flash (KB) | RAM (KB) | Vdd Range (V) | RF Data Rate | RF Power | Frequency Range | Input Sensitivity (mVpp) | Standby Current (µA) | Sleep | AdditionalInfo | Comments | Packages |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ATSAMR34J16 | In Production | $4.39 | 20.00 | LoRa IC | USB | 64 | 27 | No | Yes | Yes | 0 | 0 | -40 to 85C | 64 | 12 | 0V - 0V | 0 | 0 | 862 to 1020 MHz | 0.00 | 0.00 | 790 nA | 64/TFBGA | |||
| ATSAMR35J16 | In Production | $4.29 | 20.00 | LoRa SiP | 64 | 27 | No | Yes | Yes | 0 | 0 | -40 to 85C | 64 | 12 | 0V - 0V | 0 | 0 | 862 to 1020 MHz | 0.00 | 0.00 | 790 nA | 64/TFBGA | ||||
| ATSAMR34J17 | In Production | $4.03 | 20.00 | LoRa SiP | USB | 64 | 27 | No | Yes | Yes | 0 | 0 | -40 to 85C | 128 | 24 | 0V - 0V | 0 | 0 | 862 to 1020 MHz | 0.00 | 0.00 | 790 nA | 64/TFBGA | |||
| ATSAMR35J17 | In Production | $4.52 | 20.00 | LoRa SiP | 64 | 27 | No | Yes | Yes | 0 | 0 | -40 to 85C | 128 | 24 | 0V - 0V | 0 | 0 | 862 to 1020 MHz | 0.00 | 0.00 | 790 nA | 64/TFBGA | ||||
| ATSAMR34J18 | In Production | $5.07 | 20.00 | LoRa SiP | USB | 64 | 27 | No | Yes | Yes | 0 | 0 | -40 to 85C | 256 | 40 | 0V - 0V | 0 | 0 | 862 to 1020 MHz | 0.00 | 0.00 | 790 nA | 64/TFBGA | |||
| ATSAMR35J18 | In Production | $4.97 | 20.00 | LoRa SiP | 64 | 27 | No | Yes | Yes | 0 | 0 | -40 to 85C | 256 | 40 | 0V - 0V | 0 | 0 | 862 to 1020 MHz | 0.00 | 0.00 | 790 nA | 64/TFBGA |
| Product | Status | Wireless Technology | 5K Pricing | Family | Flash (KB) | RAM (KB) | Type | USB | Interface | Frequency Range | Antenna | Pin Count | RX Current Consumption | Packages |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RN2483 | In Production | $9.66 | LoRa | 0 | Sub-GHz | UART | 868 MHz | None | 47 | 14.2 mA | 47/Module | |||
| RN2903 | In Production | $9.66 | LoRa | 0 | Sub-GHz | UART | 915 MHz | None | 47 | 13.5 mA | 47/Module | |||
| WLR089U0 | In Production | LoRa | $8.98 | SAM R34, SAM R35 | 256 KB | 0 | Sub-GHz | 863 to 928 MHz | u.FL connector | 0 | 12.6 mA | Please call for package information |
- Data Sheets
- User Guides
- Reference Manuals
- GitHub
| Title | Download |
|---|---|
| MLS Software API Reference Manual | Download |
- Adding Wi-Fi® Sniffing to an Existing LoRaWAN® Application
- Enable Power-Efficient Pulse Counting with the SAM R34 for Smart Meter Applications
- Provision and Control a LoRaWAN End Device Over a Bluetooth® Low Energy Connection
- Secure Authentication with the SAM R34, ATECC608A and Actility Server
- Secure Authentication with the SAM R34, ATECC608 and The Things Industries Joint Server
- Wireless Sensor Network for Temperature Sensing in a Wide Area Network Using the SAM R34
