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The LIN Standard

LIN - developed by the LIN Consortium and a de-facto standard - was specially developed to achieve cost-effective communication for intelligent sensors and actuators in motor vehicles, and it is used wherever the bandwidth and versatility of CAN are not needed. The LIN specification includes the LIN protocol, a uniform format for the description of an entire LIN network and the interface between a LIN network and the application.

The well-established LIN1.3 specification was released by the LIN Consortium in December 2002. Although still used by several French and Japanese OEMs, most European vehicle manufacturers are now developing LIN networks according to the LIN2.0 specification, which was released in September 2003. LIN2.1 - a modified and improved version of this specification - was published in November 2006 and consists of 8 parts:

  • Physical Layer Specification
  • Protocol Specification
  • Transport Layer Specification
  • Node Configuration and Identification Specification
  • Diagnostic Specification
  • Application Program Interface Specification
  • Node Capability Language Specification
  • Configuration Language Specification

In August 2004, the Society of Automotive Engineers released J2602, a recommended practice for the implementation of the LIN Protocol in North America.

"Conformance Test"-Specification for LIN2.0:

Members of the LIN consortium can order the Conformance Test specification free of charge from the LIN Consortium by sending a request to specification@lin-subbus.org. Conformance Tests are specified for:

  • Phyiscal Layer
  • Data Link Layer
  • Network Management and Reconfiguration
  • EMC
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