In spring 2023, Aedvices and Pyxalis brought together their technical skills and their application vision to demonstrate the relevance of an innovative architecture in image sensors. 

The goal of this collaboration was to validate the integration of this architecture into Pyxalis image sensors to improve performance. 

Specific attention has been paid to optimizing cache memory mechanisms. 

A shared project 

Pyxalis brought its application vision and made part of its design, the test cases as well as the image sensor software available. Pierre-Adrien, digital design manager, also provided support for the integration as well as his expertise on functional aspects. 

On its side, Aedvices contributed to the project with its expertise in Design and Verification of data processing subsystems with advanced memory mechanisms. It also provided technical support with 2 interns assigned to the project. 

William and Mélissa, Phelma students, carried out their internship (respectively 3rd and 2nd year) at Aedvices. For 6 months they worked on: 

  • Improving existing cache memories through the implementation of new features. 
  • Integration of the subsystem into Pyxalis Imager SoC. 
  • Verifying the operation of this cache memory at the unit level 
  • Validation of system operation and performance. 

Positive results 

This collaborative work enabled Pyxalis to explore and validate relevant solutions to improve the performance and robustness of their future generation of imagers. 

For Aedvices, the interns were integrated into a concrete industrial project. To carry out this project, they used cache memory IPs developed by Aedvices, which they validated in the Pyxalis design. They also developed AXI bridges and used Aedvices AXI VIP (IP Verification). The different blocks could be verified using Aedvices’ advanced verification methodologies

This collaboration was a rich technical sharing experience, which demonstrates a fruitful contribution to the development of innovation. The integration of interns into the process comes from the partners’ commitment to fostering the development of the next generation of engineers. 

The involvement of each of the partners also underlines the importance of technical and managerial expertise in the harmonious integration of the different steps of a project. 

The collaboration is set to continue 

The two companies will carry on the collaboration in the coming years towards the development of a Proof of Concept (POC) demonstrating system performance and allowing the validation of environmental robustness by design.

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