ISO INTERNATIONAL STANDARD 11898-1 Second edition 2015-12-15 Road vehicles Controller area network (CAN) - Part 1: Data link layer and physical signalling Vehicules routiers - Gestionnaire de réseau de communication (CAN) - Partie 1: Couche liaison de donnees et signalisation physique Reference number IS0 11898-1:2015(E) SO International Organization for Standardization @ IS0 2015 HEJIANG INST OF STANDARDIZATION C1 5956617 ted without license from IHS IS0 11898-1:2015(E) COPYRIGHTPROTECTEDDOCUMENT IS0 2015, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISOcopyrightoffice Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 [email protected] www.iso.org Internatinair ganizationfor Standardization ensee-ZHEJIANG INSTOF STANDARDIzARoISQ15- All rights reserved Not for Resale, 2016/3/29 03:05:12 etworking permitted without license from IHS IS0 11898-1:2015(E) Contents Page Foreword ..vi Introduction. ..vii 1 Scope. 2 Conformance. 3 Normative references 4 Terms and definitions 5 Symbols and abbreviated terms ..5 6 Basic concepts of CAN ..7 6.1 CAN properties. ..7 6.2 Frames. .8 6.3 Bus access method. .8 6.4 Information routing. ..8 6.5 Network flexibility .8 6.6 Data consistency ..8 6.7 Remote data request. .8 6.8 Error detection. .9 6.9 Error signalling and recovery time 9 6.10 ACK. .9 6.11 Automatic retransmission .9 6.12 Fault confinement. .9 6.13 Error-active .9 6.14 Error-passive .9 6.15 Bus-off .10 7 Layered architecture of CAN .10 7.1 Reference to OSI model .10 7.2 Protocol specification. ..11 7.3 Format description of services .11 7.3.1 Formatdescriptionofserviceprimitives .11 7.3.2 Types of service primitives. .12 7.4 LLC interface ..12 8 Description of LLC sub-layer .12 8.1 General. ..12 8.2 Services of LLC sub-layer ..13 8.2.1 Types of connectionless-mode transmission services ..13 8.2.2 Service primitive specification. .13 8.3 Functions of LLC sub-layer. .18 8.3.1 General. .18 8.3.2 Frame acceptance filtering .18 8.3.3 Overload notification ..18 8.3.4 Recovery management .19 8.4 Structure of LLC frames. .19 8.4.1 General .19 8.4.2 Specification of LLC DF .19 8.4.3 Specification of LLC RF 20 8.5 Limited LLC frames. 21 9 Interface between LLC and MAC 21 9.1 Services 21 9.2 Time and time triggering 21 9.2.1 Description. 21 9.2.2 Time base.. 21 9.2.3 Time reference point. 21 iii See=ZHEJIANG INST OF STANDARDIZATION C15956617 ed without license from IHS