New MIPI specs pave the data path to autonomous vehicles

September 15, 2020 // By Christoph Hammerschmidt
New MIPI specs pave the path to autonomous vehicles
With the new specification A-PHY v1.0 officially introduced today, members of the MIPI Alliance have a basis for the design of asymmetric, long-reach point-to-point serial unidirectional communication lines in automotive electronics such as ADAS, in-vehicle infotainment (IVI) and surround-sensor applications.

The A-PHY v1.0 specification provides an asymmetric data link in a point-to-point topology, providing high-speed unidirectional data, embedded bidirectional control data and optional power delivery over a single cable. It features an ultra-low packet error rate of 10-19 which translates into particularly reliable data connections. At the same time, it offers a high immunity to EMC effects in the notoriously demanding automotive environments. Its reach up to 15 meters should cover the very most automotive requirements even at data rates of up to 16 Gbps; the roadmap provides for further development of up to 48 Gbps. Version 1.1 which is already under development will double the data rate to 32 Gbps and increase the uplink data rate to 200 Mbps.

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