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ISO 11898-1:2024

(Main)

Road vehicles — Controller area network (CAN) — Part 1: Data link layer and physical coding sublayer

Road vehicles — Controller area network (CAN) — Part 1: Data link layer and physical coding sublayer

This document specifies the controller area network (CAN) data link layer (DLL) and the physical coding sub-layer (PCS). The CAN DLL features data fields of up to 2048 byte when the CAN extended data field length (XL) frame format is used. This document divides the CAN DLL into the logical link control (LLC) and the medium access control (MAC) sub-layers. The DLL’s service data unit (SDU), which interfaces the LLC and the MAC, is implemented by means of the LLC frame. The LLC frame also features the service data unit type (SDT) and the virtual CAN channel identifier (VCID), which provide higher-layer protocol configuration and identification information. How the higher-layer functions are handled is not specified in this document. There are five implementation options: 1) support of the CAN classic frame format only, not tolerating the CAN flexible data rate (FD) frame format; 2) support of the CAN classic frame format and tolerating the CAN FD frame format; 3) support of the CAN classic frame format and the CAN FD frame format; 4) support of the CAN classic frame format, the CAN FD frame format and the CAN XL frame format; 5) support of the CAN FD frame format for CAN FD light responders (Annex A). NOTE Nodes of the first option can communicate with nodes of the third and fourth option when only the CAN classic frame format is used. Nodes of the first option cannot communicate with nodes of the fifth option: any attempt at communication generates error frames. Therefore, new designs implementing the fourth option can communicate with all other nodes.

Véhicules routiers — Gestionnaire de réseau de communication (CAN) — Partie 1: Couche liaison de données et sous-couche de codage physique

General Information

Status
Published
Publication Date
23-May-2024
ICS
43.040.15 - Car informatics. On board computer systems
Technical Committee
ISO/TC 22/SC 31 - Data communication
Drafting Committee
ISO/TC 22/SC 31 - Data communication
Current Stage
6060 - International Standard published
Start Date
24-May-2024
Due Date
17-Jul-2024
Completion Date
24-May-2024
Ref Project

Relations

Revises
ISO 11898-1:2015 - Road vehicles — Controller area network (CAN) — Part 1: Data link layer and physical signalling
Effective Date
28-Jan-2023

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ISO 11898-1:2024 - Road vehicles — Controller area network (CAN) — Part 1: Data link layer and physical coding sublayer Released:24. 05. 2024ISO 11898-1:2024 - Road vehicles — Controller area network (CAN) — Part 1: Data link layer and physical coding sublayer Released:24. 05. 2024
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ISO/FDIS 11898-1 - Road vehicles — Controller area network (CAN) — Part 1: Data link layer and physical coding sublayer Released:1. 02. 2024ISO/FDIS 11898-1 - Road vehicles — Controller area network (CAN) — Part 1: Data link layer and physical coding sublayer Released:1. 02. 2024
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ISO/FDIS 11898-1 - Road vehicles — Controller area network (CAN) — Part 1: Data link layer and physical coding sublayer Released:1. 02. 2024
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REDLINE ISO/FDIS 11898-1 - Road vehicles — Controller area network (CAN) — Part 1: Data link layer and physical coding sublayer Released:1. 02. 2024REDLINE ISO/FDIS 11898-1 - Road vehicles — Controller area network (CAN) — Part 1: Data link layer and physical coding sublayer Released:1. 02. 2024
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Standards Content (Sample)

International
Standard
ISO 11898-1
Third edition
Road vehicles — Controller area
2024-05
network (CAN) —
Part 1:
Data link layer and physical coding
sublayer
Véhicules routiers — Gestionnaire de réseau de
communication (CAN) —
Partie 1: Couche liaison de données et sous-couche de codage
physique
Reference number
ISO 11898-1:2024(en) © ISO 2024

---------------------- Page: 1 ----------------------
ISO 11898-1:2024(en)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2024
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland

© ISO 2024 – All rights reserved
ii

---------------------- Page: 2 ----------------------
ISO 11898-1:2024(en)
Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Symbols and abbreviated terms. 6
5 Basic concepts of CAN . 8
5.1 CAN properties .8
5.2 Frame transmissions .9
5.3 Bus access method .11
5.4 Information routing .11
5.5 Network flexibility .11
5.6 Remote data request .11
5.7 Error detection .11
5.8 Error signalling and recovery time .11
5.9 Fault confinement . 12
5.10 Error-active . 12
5.11 Error-passive .
...

FINAL DRAFT
International
Standard
ISO/FDIS 11898-1
ISO/TC 22/SC 31
Road vehicles — Controller area
Secretariat: DIN
network (CAN) —
Voting begins on:
2024-02-15
Part 1:
Data link layer and physical coding
Voting terminates on:
2024-04-11
sublayer
Véhicules routiers — Gestionnaire de réseau de communication
(CAN) —
Partie 1: Couche liaison de données et sous-couche de codage
physique
RECIPIENTS OF THIS DRAFT ARE INVITED TO SUBMIT,
WITH THEIR COMMENTS, NOTIFICATION OF ANY
RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE
AND TO PROVIDE SUPPOR TING DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
LOGICAL, COMMERCIAL AND USER PURPOSES, DRAFT
INTERNATIONAL STANDARDS MAY ON OCCASION HAVE
TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL
TO BECOME STAN DARDS TO WHICH REFERENCE MAY BE
MADE IN NATIONAL REGULATIONS.
Reference number
ISO/FDIS 11898-1:2024(en) © ISO 2024

---------------------- Page: 1 ----------------------
FINAL DRAFT
ISO/FDIS 11898-1:2024(en)
International
Standard
ISO/FDIS 11898-1
ISO/TC 22/SC 31
Road vehicles — Controller area
Secretariat: DIN
network (CAN) —
Voting begins on:
Part 1:
Data link layer and physical coding
Voting terminates on:
sublayer
Véhicules routiers — Gestionnaire de réseau de communication
(CAN) —
Partie 1: Couche liaison de données et sous-couche de codage
physique
RECIPIENTS OF THIS DRAFT ARE INVITED TO SUBMIT,
COPYRIGHT PROTECTED DOCUMENT
WITH THEIR COMMENTS, NOTIFICATION OF ANY
RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE
AND TO PROVIDE SUPPOR TING DOCUMENTATION.
© ISO 2024
IN ADDITION TO THEIR EVALUATION AS
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
LOGICAL, COMMERCIAL AND USER PURPOSES, DRAFT
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
INTERNATIONAL STANDARDS MAY ON OCCASION HAVE
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL
or ISO’s member body in the country of the requester.
TO BECOME STAN DARDS TO WHICH REFERENCE MAY BE
MADE IN NATIONAL REGULATIONS.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland Reference number
ISO/FDIS 11898-1:2024(en) © ISO 2024

© ISO 2024 – All rights reserved
ii

---------------------- Page: 2 ----------------------
ISO/FDIS 11898-1:2024(en)
Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Symbols and abbreviated terms. 6
5 Basic concepts of CAN . 9
5.1 CAN properties .9
5.2 Frame transmissions .9
5.3 Bus access method .11
5.4 Information routing .
...

ISO/FDIS 11898-1:2023(E)
ISO /TC 22/SC 31/WG 3
Secretariat: DIN
Date: 2023-122024-01-30
Road vehicles — Controller area network (CAN) —
—
Part 1:
Data link layer and physical coding sublayer
Véhicules routiers — Gestionnaire de réseau de communication (CAN) —
—
Partie 1 : Couche liaison de données et signalisationsous-couche de codage physique
FDIS stage

---------------------- Page: 1 ----------------------
ISO/FDIS 11898-1:2023(E2024(en)
© ISO 20232024
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication
may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying,
or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO
at the address below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: + 41 22 749 01 11
EmailE-mail: copyright@iso.org
Website: www.iso.orgwww.iso.org
Published in Switzerland
ii © ISO 2023 – All rights reserved
© ISO 2024 – All rights reserved

ii

---------------------- Page: 2 ----------------------
ISO/FDIS 11898-1:2023(E2024(en)
Contents
Foreword . xv
Introduction .xv i
Part 1: Data link layer and physical coding sublayer. 1
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Symbols and abbreviated terms . 8
5 Basic concepts of CAN . 10
5.1 CAN properties . 10
5.2 Frame transmissions . 11
5.3 Bus access method . 14
5.4 Information routing . 14
5.5 Network flexibility . 14
5.6 Remote data request . 14
5.7 Error detection . 14
5.8 Error signalling and recovery time . 15
5.9 Fault confinement . 15
5.10 Error-active . 15
5.11 Error-passive . 15
5.12 Bus-off .
...

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