1 / 5

Enhancing Redundant Clock Generation and Distribution with Intelligent Dynamic Oscillator Switching

The proposed system utilizes two independent oscillator cards to maintain operation seamlessly during oscillator failures. By incorporating a multiplexer, it allows switching from a failing oscillator to a backup oscillator. However, it currently lacks automatic switching capabilities and does not detect certain failure modes. The Intelligent Dynamic Clock Switch (IDCS) module enhances functionality by monitoring up to four oscillator signals and ensuring automatic switchover to a functioning signal. This approach addresses potential failure points and integrates complex firmware for effective clock generation and distribution.

nathan
Télécharger la présentation

Enhancing Redundant Clock Generation and Distribution with Intelligent Dynamic Oscillator Switching

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Fully Redundant Clock Generation and Distribution with Dynamic Oscillator Switchover M.J. Mueller, U. Weiss, T. Webel, L.C. Alves, W.J. Clarke, M. Strasser, E. Engler, G. Cautillo, H. Osterndorf, J. Schulze Presented by: Madhulika Pannuri Department of Electrical and Computer Engineering

  2. o The system uses two independent oscillator cards to prevent the system from going down when one oscillator fails. • o Using a multiplexer, it is possible to switch from failing oscillator to the backup oscillator. • Disadvantages: • Not capable of automatic switching. • Does not detect certain classes of failure modes. • o Introduce intelligent monitoring and switching. • o It is critical to address potential failure nodes. • o Complex firmware.

  3. Clock generation and distribution architecture

  4. The design is based on a module called ‘Intelligent Dynamic Clock Switch’ (IDCS). • o Monitors up to four oscillator signals. • o Automatically switches over to the next signal in case of a failing signal. • o The state of the input signals can be observed and reported to a control system. • All chips are given a PLL reset (ensures valid clock signals) and PLLs are locked.

More Related