ISO 11898-2:2024 PDF

Name: ISO 11898-2:2024 — Road vehicles — Controller area network (CAN) — Part 2: High-speed physical medium attachment (PMA) sublayer
SKU: ISO 11898-2:2024
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Road vehicles — Controller area network (CAN) — Part 2: High-speed physical medium attachment (PMA) sublayer

Название (английский):

ISO 11898-2:2024

Road vehicles — Controller area network (CAN) — Part 2: High-speed physical medium attachment (PMA) sublayer

Статус документа:: Отменён
Формат:: Электронный (PDF)
Количество страниц:: 64
Дата публикации:: 22 марта 2024 г.
Издание:: ISO IS 11898 edition 3 version 1
ICS:: 43.040.15

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Описание (английский):

This document specifies physical medium attachment (PMA) sublayers for the controller area network (CAN). This includes the high-speed (HS) PMA without and with low-power mode capability, without and with selective wake-up functionality. Additionally, this document specifies PMAs supporting the signal improvement capability (SIC) mode and the FAST mode in Annex A. The physical medium dependent (PMD) sublayer is not in the scope of this document.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 11898-2:2024 - Road vehicles - Controller area network (CAN) - Part 2: High‑speed physical medium attachment (PMA) sublayer defines the electrical and functional behaviour of the CAN PMA sublayer. The third edition updates static and dynamic PMA parameters, adds support for new PMA parameter sets (including higher bit‑rate operation), and introduces Annex A for Signal Improvement Capability (SIC) and FAST mode operation. The physical medium dependent (PMD) sublayer is explicitly out of scope.

Key topics and technical requirements

HS‑PMA function and interfaces: Specification of the AUI (TXD, RXD, GND) and the relationship to the PCS (physical coding sublayer) and PMD. Defines CAN_H / CAN_L signalling for dominant (logical 0) and recessive (logical 1) bus states.

Static and dynamic parameters: Detailed static limits (voltages, leakage, receiver input resistance) and dynamic behaviours (driver symmetry, transmit timeouts, timing behaviour).

Low‑power and wake‑up: Requirements for HS‑PMA low‑power modes, basic wake‑up, selective wake‑up and wake‑up patterns (WUP/WUF), and bus biasing procedures.

SIC and FAST modes (Annex A): Normative support for PMAs with signal‑improvement capability to suppress ringing and for FAST RX/TX modes that change how recessive/level states are driven and detected.

Conformance and testing: References conformance requirements and cross‑references to CAN test plans (e.g., ISO 16845 series).

Parameter sets for higher bit rates: Revised parameter set tables include support for implementations above 1 Mbit/s and up to several Mbit/s (new parameter set C introduced).

Applications and who uses it

ISO 11898-2:2024 is essential for:

Transceiver/chip designers implementing CAN HS‑PMA functionality (normal/low‑power, selective wake‑up, SIC/FAST).

ECU hardware engineers specifying transceiver requirements and EMC/ESD considerations.

Automotive system architects integrating CAN networks, including high‑speed CAN XL and partial networking (PN) use cases.

Test labs and certification bodies performing conformance and interoperability testing against PMA requirements.

Vehicle OEMs and suppliers adopting higher bit‑rate, low‑power, or SIC‑enabled CAN transceivers for next‑generation in‑vehicle networks.

Related standards

ISO 11898-1 - CAN data link layer and physical signalling (PCS/AUI definitions)

ISO 16845 series - CAN conformance test plans

ISO/IEC 7498-1 - OSI basic reference model (terminology and layer mapping)

ISO 11898-2:2024 is a normative reference for designers and integrators focused on robust, interoperable high‑speed CAN transceivers, low‑power operation, and advanced signal‑integrity modes (SIC/FAST) used in modern automotive networks.

ISO 11898-2:2024 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Applications and who uses it

Related standards

Технические детали

BS ISO 16845-2:2018

Road vehicles. Controller area network (CAN) conformance test plan. High-speed medium access unit. Conformanc…

ISO 11898-1:2003

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

ISO/IEC 7498-1:1994

Information technology — Open Systems Interconnection — Basic Reference Model: The Basic Model