Reference number
ISO 11898-5:2007(E)
©
ISO 2007
INTERNATIONAL
STANDARD
ISO
11898-5
First edition
2007-06-15
Road vehicles — Controller area network
(CAN) —
Part 5:
High-speed medium access unit
with low-power mode
Véhicules routiers — Gestionnaire de réseau de communication
(CAN) —
Partie 5: Unité d'accès au médium haute vitesse avec mode
de puissance réduite
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ISO 11898-5:2007(E)
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ii
© ISO 2007 – All rights reserved
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ISO 11898-5:2007(E)
© ISO 2007 – All rights reserved iii
Contents Page
Foreword............................................................................................................................................................ iv
Introduction ........................................................................................................................................................ v
1 Scope ..................................................................................................................................................... 1
2 Normative references ........................................................................................................................... 1
3 Terms and definitions........................................................................................................................... 1
4 Symbols and abbreviated terms ......................................................................................................... 2
5 Functional description of medium access unit (MAU) with low-power mode................................ 2
5.1 General................................................................................................................................................... 2
5.2 Physical medium attachment sub layer specification ...................................................................... 2
6 Conformance tests ............................................................................................................................... 5
6.1 General................................................................................................................................................... 5
6.2 V
Split
output function............................................................................................................................. 5
6.3 Output voltage during low-power mode............................................................................................. 6
6.4 Internal resistance during low-power mode ...................................................................................... 6
6.5 Propagation delay during normal mode............................................................................................. 7
6.6 Wake-up filter time during low-power mode...................................................................................... 7
6.7 Bus driver symmetry during normal mode ........................................................................................ 7
6.8 Input leakage current, unpowered device .......................................................................................... 8
7 Electrical specification of high-speed medium access unit (HS-MAU)........................................... 8
7.1 Physical medium attachment sub layer specification ...................................................................... 8
7.2 CAN node............................................................................................................................................. 10
7.3 Medium dependent interface (MDI) specification, connector parameters.................................... 18
7.4 Physical medium specification ......................................................................................................... 18
Bibliography ..................................................................................................................................................... 20
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ISO 11898-5:2007(E)
iv © ISO 2007 – All rights reserved
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies
(ISO member bodies). The work of preparing International Standards is normally carried out through ISO
technical committees. Each member body interested in a subject for which a technical committee has been
established has the right to be represented on that committee. International organizations, governmental and
non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the
International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
adopted by the technical committees are circulated to the member bodies for voting. Publication as an
International Standard requires approval by at least 75 % of the member bodies casting a vote.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO 11898-5 was prepared by Technical Committee ISO/TC 22, Road vehicles, Subcommittee SC 3,
Electrical and electronic equipment.
ISO 11898 consists of the following parts, under the general title Road vehicles — Controller area network
(CAN):
⎯ Part 1: Data link layer and physical signalling
⎯ Part 2: High-speed medium access unit
⎯ Part 3: Low-speed, fault-tolerant, medium-dependent interface
⎯ Part 4: Time-triggered communication
⎯ Part 5: High-speed medium access unit with low-power mode
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ISO 11898-5:2007(E)
© ISO 2007 – All rights reserved
v
Introduction
ISO 11898 was first published as one document in 1993. It covered the CAN data link layer as well as the
high-speed physical layer.
In the reviewed and restructured ISO 11898 series:
⎯ Part 1 describes the data link layer including the logical link control (LLC) sub layer and the medium
access control (MAC) sub layer as well as the physical signalling (PLS) sub layer;
⎯ Part 2 defines the high-speed medium access unit (MAU);
⎯ Part 3 defines the low-speed fault-tolerant medium access unit (MAU);
⎯ Part 4 defines the time-triggered communication;
⎯ Part 5 defines the power modes of the high-speed medium access unit (MAU).
ISO 11898-1 and ISO 11898-2 have been cancelled and replaced ISO 11898:1993.
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