Implementing MOSTCO's Roadmap: Page 3 of 8

August 25, 2016 //By Johann Stelzer, Microchip
Implementing MOSTCO's Roadmap
Despite the media hype about Ethernet in the car, the MOST technology is still far more established in the infotainment domain than any other networking technology. The current roadmap, introduced at this year’s MOST Forum has been enhanced; additional waypoints and goals have been added to the roadmap. This article addresses the most significant aspects of these goals, the status and the outlook from Microchip’s perspective.
has been proven more than 100 million times in the market. Nevertheless, customers have asked for more options to address this topic. With the acquisition of EqcoLogic, Microchip acquired crucial coaxial technology. In 2014, Microchip introduced the MOST150 coaxial transceiver OS82150.  This coaxial transceiver offers an exciting new option allowing customers to implement efficient infotainment networks, and to easily migrate from optical to coaxial cabling. The design-in of the OS82150 is straightforward, and total system costs are optimized. By seamlessly interfacing with MOST150 INICs, such as OS81110, the OS82150 can be easily integrated into existing designs. Customers benefit from a circa 15 percent cost reduction while keeping system redesign efforts low. Further networking system cost reduction is achieved by using the highly integrated OS81118AF, which includes the coaxial transceiver on-chip. With the migration of the network architecture from dual simplex to full duplex, a close to 40% cost reduction can be achieved, in comparison to the optical system, cutting the “cost in half”.

Fig. 2: Impact of Harness and Architecture
on MOST150 Network Costs

Beyond these aspects, MOST Cooperation and Microchip have carefully analyzed customers’ current and future MOST use cases. One outcome is that a streamlined software architecture will not only help customers to develop MOST systems faster but also enable a unified and centralized software stack (UNICENS) approach, to further optimize the customer’s system costs significantly.  

UNICENS is a new approach to configure and control a MOST network including the connections from one centralized software stack. The configuration of the parameters and the connections of a MOST network are done at design time and stored in a configuration file (system descriptor). The centralized software stack uses the information in the configuration file to generate all connections in the MOST network, in the local INIC and configures all the other INICs in the network remotely over MOST. UNICENS supports remote control functionality.  The remote control feature is a

Design category: 

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