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A Review of Embedded Automotive Protocols
Published in Nicolas Navet, Françoise Simonot-Lion, Automotive Embedded Systems Handbook, 2017
Nicolas Navet, Françoise Simonot-Lion
As with TTP/C, TTP/A [18] was initially invented at the Vienna University of Technology. TTP/A pursues the same aims and shares the main design principles as LIN and it offers, at the communication controller level, some similar functionalities, in particular, in the areas of plug-and-play capabilities and online diagnostics services. TTP/A implements the classic master–slave dialog, termed “master–slave round,” where the slave answers the master’s request with a data frame having a fixed length data payload of 4 bytes. The “multipartner” rounds enable several slaves to send up to an overall amount of 62 bytes of data after a single command frame. A “broadcast round” is a special master–slave round in which the slaves do not send data; it is, for instance, used to implement sleep/wake-up services. The data rate on a single wire transmission support is, as for LIN, equal to 20 kbps, but other transmission supports enabling higher data rates are possible. To the best of our knowledge, TTP/A is not currently in use in production cars.
ESD Protection in Automotive Integrated Circuit Applications
Published in Juin J. Liou, Krzysztof Iniewski, Electrostatic Discharge Protection, 2017
Javier A. Salcedo, Jean-Jacques Hajjar
LIN is a low-cost serial network and multiplexing protocol used for communication between components in vehicles. Automotive ECUs that implement the LIN communicate with each other over a one-wire data bus [1]. In today’s car networking topologies, microcontrollers with either UART (universal asynchronous receiver/transmitter) capability or dedicated LIN hardware are used. The microcontroller generates all needed LIN data and is connected to the LIN network via a LIN transceiver. Current main uses combine the low-cost efficiency of LIN and sensors to create automotive electronics networks.
In-Vehicle Communication Networks: A Historical Perspective and Review
Published in Richard Zurawski, Industrial Communication Technology Handbook, 2017
Nicolas Navet, Françoise Simonot-Lion
LIN (see Refs. [48,77]) is a low-cost serial communication system used as SAE class A network, where the needs in terms of communication do not require the implementation of higher-bandwidth multiplexing networks such as CAN. LIN is developed by a set of major companies from the automotive industry (e.g., Daimler, Volkswagen, BMW, and Volvo) and is widely used in production cars.
Managing complex, modular products: how technological uncertainty affects the role of systems integrators in the automotive supply chain
Published in International Journal of Production Research, 2018
Adrian E. Coronado Mondragon, Christian E. Coronado Mondragon
Another automotive complementary bus1 protocol (electronic architecture), which is frequently used for automotive purposes, is the local interconnect network (LIN) bus. The specification of this protocol allows the communication of sensors and actuators operating at 12 V. Mainly this bus is used for vehicle body applications such as sunroof actuators, intelligent wipers, HVAC and other body electronics applications. The LIN bus has a maximum speed of 1.92 Kbps over a maximum cable length of 40 m (www.interfacebus.com). Most of the times the LIN bus is used as a sub-system within a CAN vehicle architecture (www.ni.com; www.interfacebus.com).