As embedded systems continue to evolve with increasing demands for connectivity, security, and efficiency, selecting the right operating system and hardware platform becomes crucial. Zephyr OS, an open-source real-time operating system, offers a versatile and lightweight solution tailored for resource-constrained devices. When combined with NXP’s extensive portfolio of scalable microcontrollers and processors, Zephyr unlocks powerful real-time capabilities, robust peripheral support, and flexible development options. This synergy empowers developers to build innovative, high-performance applications across diverse markets, from IoT and industrial automation to consumer electronics
What is Zephyr OS?
Zephyr OS is an open-source, real-time operating system (RTOS) developed under the Linux Foundation’s Zephyr Project, tailored for resource-constrained embedded devices. It supports a broad range of architectures including ARM®, RISC-V, x86, and ARC, offering developers the flexibility to choose the best hardware for their application needs.
Engineered for modularity, low-power operation, and real-time performance, Zephyr is ideal for IoT, wearables, industrial automation, and other embedded systems. Its lightweight footprint and scalable design make it suitable for devices with limited resources, while offering features like network and Bluetooth connectivity, secure boot, and precise timing.
With a strong open-source community and contributions from industry leaders, Zephyr enables the rapid development of secure, high-performance embedded solutions across growing sectors like medical, automotive, and telecommunications.
Key Features of Zephyr OS
Zephyr has several important features that contribute to its real-time development appeal and its adoption in embedded systems and connected devices:
- Open Source
Zephyr is free and open source. Developers can access, modify, and contribute to the code—encouraging collaboration and faster innovation. - Modular Design
You only include the features you need. This keeps the OS lightweight and optimized for your specific application. Scalable
Runs on everything from small sensors to high-performance IoT gateways—perfect for projects of all sizes.
- Supports Multiple Architectures
Works with ARM, RISC-V, x86, ARC, and more—giving you flexibility to choose the right hardware. - Real-Time Performance
Offers precise timing and responsiveness, which is essential for use in industries like automotive, healthcare, and industrial automation. - Built-in Libraries & Protocols
Comes with ready-to-use network stacks, device drivers, and communication protocols like BLE, MQTT, and IPv6. - Strong Security
Includes memory protection, secure boot, and access control—important for protecting data and privacy. - Active Community
Supported by a large and growing developer community that helps improve the OS and provides support.
Why Zephyr OS compared to other RTOS
Typical Use Cases of Zephyr
- Smart Home Devices
- Examples: Smart light bulbs, thermostats, smart locks, door sensors.
- Why Zephyr?
- Real-time responsiveness for user input (e.g., turning on a light).
- Low power consumption and fast boot times.
- Secure OTA (over-the-air) updates.
- Automotive Systems
- Examples: Tire pressure monitoring systems (TPMS), infotainment systems, in-vehicle sensor controllers.
- Why Zephyr?
- Real-time safety-critical operations.
- CAN bus and LIN support.
- Compliance with functional safety standards
- Industrial Automation
- Examples: Sensor gateways, motor controllers, PLCs (Programmable Logic Controllers).
- Why Zephyr?
- Deterministic behavior with real-time scheduling.
- Support for industrial protocols (Modbus, OPC UA, etc.).
- Multi-architecture support (ARM Cortex-M, RISC-V).
- Wearables & Health Devices
- Examples: Smartwatches, fitness trackers, heart-rate monitors.
- Why Zephyr?
- Ultra-low power modes for extended battery life.
- Bluetooth Low Energy (BLE) stack built-in.
- Small memory footprint (~100 KB RAM or less).
- Aerospace & Drones
- Examples: UAV flight controllers, satellite telemetry modules.
- Why Zephyr?
- Real-time control loop processing.
- Minimal OS overhead.
- High modularity and configurability.
- Connectivity Modules
- Examples: IoT gateways, LoRaWAN, NB-IoT, Zigbee modules.
- Why Zephyr?
- Built-in network stacks: IPv6, TCP/IP, CoAP, MQTT.
- Native support for multiple radios and wireless protocols.
- Consumer Electronics
- Examples: Smart speakers, remote controls, digital assistants.
- Why Zephyr?
- Fast response to user commands.
- Integration with voice control and AI peripherals.
- Support for MCU peripherals (ADC, PWM, I2C, SPI).
iWave NXP SoMs with Zephyr OS Compatibility
Zephyr OS support is available on several NXP platforms, based on code contributions from NXP, our customers and the Zephyr community. Code releases are governed by the Zephyr Project, with time-based releases approximately every three months and long term support (LTS) releases also available. Some of the boards supported are below:
- i.MX 8QuadMax
- i.MX8MM arm, arm64
- i.MX8MN (Cortex-A53) arm64
- i.MX8MP arm, arm64
- i.MX91 arm64
- i.MX93 arm, arm64
- i.MX95 arm, arm64
Zephyr OS, with its open-source, flexible, and real-time capabilities, is shaping the future of embedded development. Backed by a robust architecture and industry leaders like NXP, Zephyr is ideal for edge computing, industrial automation, automotive, and medical applications where performance and reliability are critical.
As a leading embedded systems engineering and solutions company, iWave brings deep expertise in developing System on Modules (SoMs), Single Board Computers (SBCs), and ODM solutions including telematics units, industrial gateways, and HMI platforms. iWave actively supports Zephyr OS on a wide range of NXP-based hardware platforms, empowering developers to bring innovative, high-performance solutions to market faster.
For more information, contact mktg@iwave-global.com or visit www.iwave-global.com
