SAM R34/R35 Low Power LoRa® Sub-GHz System-in-Package Family
Industry’s Lowest Power LoRa SiP for Long Range, Low Power Designs
The SAM R34/R35 is a highly-integrated LoRa® System-in-Package (SiP) family which includes an ultra-low power, high-performance 32-bit microcontroller (MCU), LoRa transceiver and software stack. With certified reference designs, and proven interoperability with major LoRaWAN™ gateway and network providers, the SAM R34/35 SiPs significantly reduce time to market for Internet of Things (IoT) designs.
Find everything you need to create your complete LoRa end-node solutions here:
Why design with the SAM R34 family?
Create Smaller Nodes
- Integrated 32-bit Arm® MCU and Sub-GHz radio
- Up to 256 KB Flash and 40 KB RAM
- Compact 6x6 mm BGA package
Increase Battery Life
- Ultra-low power 32-bit Arm Cortex® MCU
- Sleep currents down to 790 nA
- Low-power RAM with battery back-up
Reduce Your Design Risk
- Certified development board
- Chip-down design package
- Interoperability tested software
- Trusted supply chain
Operational and Peripheral Feature Highlights
- Compact, highly integrated solution
- Arm Cortex M0+ MCU & LoRa Radio
- 6x6 mm compact BGA package
- Up to 256 KB Flash accommodates application code and stack
- Up to 40 KB RAM including 8KB LP-RAM
- One full-speed 12 Mbps USB and up to five Serial Communication Interfaces (SERCOM), each configurable as USART, I2C, SPI or LIN
- 12-bit, 1 Msps Analog-to-Digital Converter (ADC) with up to eight external channels
- Two analog comparators with window compare function
Radio Feature Highlights
- 862 MHz to 1020 MHz coverage
- Up to 20 dBm (100 mW) max power
- Up to +13 dBm (20 mW) high-efficiency PA
- High sensitivity
- Down to -136 dBm (LoRaWAN™ protocol compliant modes)
- Down to -148 dBm (proprietary narrowband modes)
- Up to 168 dB maximum link budget
- Low RX current of 17 mA (typical)
- LoRa Technology, (G)FSK, (G)MSK and OOK Modulation
- Automatic RF Sense and CAD with ultra-fast Automatic Frequency Control (AFC) Packet Engine up to 256 bytes with Cyclic Redundancy Check (CRC)
Microchip LoRaWAN™ stack
- Developed, maintained and supported by Microchip
- Supports Class A and Class C modes of operation
- LoRaWAN 1.0.2 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
The SAMR34-Xpro Development Board (orderable part number: DM320111) is FCC, RED and ISED certified and includes an on-board debugger, current measurement circuitry and extension headers to connect to additional boards. Supported by Atmel Studio Integrated Development Environment and certified chip-down package, this development board greatly simplifies LoRa® end-node development.
Get started in three easy steps:- Download and install Atmel Studio Integrated Development Environment
- Connect DEBUG USB on the kit to your computer
- Select example demos from Advanced Software Framework (ASF)
Markets and Applications
The SAM R34/R35 family’s ultra-low power performance combined with rich set of radio and peripheral features makes 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