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Designing custom applications with System on Module (SOM)


In today’s rapidly evolving technological landscape, designing System on Module (SOM) has become increasingly popular due to its efficiency, flexibility, and cost-effectiveness. Calixto Systems, a pioneering company in embedded solutions, presents this comprehensive guide to help you navigate the process of developing tailored applications using SOM technology.

Understanding System on Module (SOM)

SOM is a compact, integrated computing platform that encapsulates key components such as processor, memory, storage, and peripherals onto a single module.

designing System on Module (SOM)

Advantages of SOM

  • Simplified Development: By utilizing pre-designed modules, developers can focus on application-specific functionalities rather than low-level hardware integration.
  • Time-to-Market: SOMs expedite the development process, reducing time-to-market for custom applications.
  • Scalability: SOMs offer scalability, allowing seamless upgrades and modifications as per application requirements.
  • Cost Efficiency: With reduced design complexity and faster development cycles, SOMs contribute to cost-effective solutions.

Selecting the Right SOM

  • Application Requirements: Analyze the specific requirements of your application, including processing power, connectivity options, form factor, and environmental considerations.
  • SOM Variants: Evaluate various SOM variants based on factors such as CPU architecture (ARM, x86), performance, power consumption, and available interfaces (USB, Ethernet, HDMI, etc.).
  • Vendor Considerations: Choose a reputable SOM vendor like Calixto Systems, known for quality, reliability, and comprehensive support services.

Customizing the SOM

  • Carrier Board Design: Develop a carrier board tailored to your application’s needs, incorporating necessary interfaces, connectors, and peripherals.
  • Interface Integration: Interface the SOM with external components such as sensors, actuators, displays, and communication modules to meet specific functionality requirements.
  • Software Development: Leverage the software ecosystem provided by the SOM vendor, including board support packages (BSPs), drivers, and development tools, to streamline software development.

Prototyping and Testing

  • Prototype Development: Build initial prototypes to validate the functionality and performance of the custom application.
  • Testing Procedures: Conduct rigorous testing procedures, including functional testing, stress testing, and environmental testing, to ensure reliability and robustness.
  • Iterative Refinement: Iterate on the design based on testing feedback, making necessary adjustments to optimize performance and address any issues.

Deployment and Maintenance

  • Production Scaling: Scale up production based on prototype validation, ensuring seamless deployment of custom applications in the target market.
  • Maintenance and Support: Provide ongoing maintenance and support services to address any issues, release updates, and ensure the longevity of the deployed solutions.


Designing System on Module (SOM) offers numerous advantages in terms of efficiency, flexibility, and cost-effectiveness. By following the guidelines outlined in this comprehensive guide by Calixto Systems, you can navigate the process effectively and develop tailored solutions that meet the unique requirements of your applications.

SOM from Calixto System

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