How to use Ethernet time sensitive networking for automotive SoCs.
The new age of automotive electronic systems has decreased accidents and fatalities. Improving Advanced Driver Assistance Systems (ADAS) for safety-critical automotive applications is the next wave and requires a huge amount of data transmission and subsequent processing. Systems are becoming more sophisticated as they combine ADAS applications from emergency braking, collision avoidance, lane departure warning to fully autonomous driving, making predictable latency and guaranteed bandwidth critical. For example, high-definition cameras capture high-quality images with more details to help detect and react to different situations; high-performance radars and LIDARs determine the range and angle of the surrounding objects. These applications require a high volume of data from different parts of the car for processing and decision making. Due to the high volume of data, enabling high-performance networked connectivity has become a challenge that automotive SoC designers are overcoming with Ethernet. But these systems require more than performance, they require predictable latency and guaranteed bandwidth.
The Time Sensitive Networking (TSN) IEEE working group has released a set of TSN standards and continues to define new specifications to meet the needs for Ethernet in active ADAS applications that require real time networking. An active ADAS application takes control of the car to react to a situation such as avoiding a collision with a pedestrian, object, or another car. This article describes the Ethernet TSN standards for automotive SoCs and briefly explains how designers can enable TSN with automotive-certified Ethernet IP.
Read more here.
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