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ISO 17987-4:2025

Road vehicles - Local Interconnect Network (LIN) - Part 4: Electrical physical layer (EPL) specification 12 V/24 V
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ISO 17987-4:2025

Road vehicles - Local Interconnect Network (LIN) - Part 4: Electrical physical layer (EPL) specification 12 V/24 V

PUBLISH DATE 2025
ISO 17987-4:2025

This document specifies the 12 V and 24 V electrical physical layers (EPL) of the LIN communications system.

The electrical physical layer for LIN is designed for low-cost networks with bit rates up to 20 kbit/s to connect automotive electronic control units (ECUs). The medium that is used is a single wire for each receiver and transmitter with reference to ground.

Annex A provides recommendations on the LIN physical layer peripheral interface design of type UART and frame controller for commander and responder nodes.

This document includes the definition of electrical characteristics of the transmission itself and also the documentation of basic functionality for bus driver devices.

This document also provides the physical layer definitions for nodes with LIN AA capabilities according to one of the procedures C, D and E.

All parameters in this document are defined for the ambient temperature range from 40 °C to 125 °C.

SDO ISO: International Organization for Standardization
Document Number ISO 17987
Publication Date Jan. 1, 2025
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO/TC 22/SC 31
Publish Date Document Id Type View
Jan. 1, 2025 ISO 17987-4:2025 Revision
Sept. 1, 2016 ISO 17987-4:2016 Revision