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ISO - DIS 11898-1

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

pending
Organization: ISO
Publication Date: 3 July 2023
Status: pending
Page Count: 89
ICS Code (Car informatics. On board computer systems): 43.040.15
scope:

This document specifies the 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 XL frame format is used.

This document divides the CAN data link layer (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 network ID (VCID), which provide higher-layer protocol configuration and identification information. There are five implementation options:

- support of the Classical CAN frame format only, not tolerating the FD frame format;

- support of the Classical CAN frame format and tolerating the FD frame format;

- support of the Classical CAN frame format and the FD frame format;

- support of the Classical CAN frame format, the FD frame format, and the XL frame format;

- support of the FD frame format for CAN FD Light responders (Annex A).

The fourth option is recommended to be implemented for new designs.

NOTE Nodes of the first option can communicate with nodes of the third and fourth option when only the Classical CAN frame format are used; otherwise, Error Frames are generated.

Document History

DIS 11898-1
July 3, 2023
Road vehicles — Controller area network (CAN) — Part 1: Data link layer and physical coding sublayer
This document specifies the 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 XL frame format is used. This document...
December 15, 2015
Road vehicles - Controller area network (CAN) - Part 1: Data link layer and physical signalling
This part of ISO 11898 specifies the characteristics of setting up an interchange of digital information between modules implementing the CAN data link layer. Controller area network is a serial...
May 15, 2006
Road vehicles — Controller area network (CAN) — Part 1: Data link layer and physical signalling TECHNICAL CORRIGENDUM 1
A description is not available for this item.
December 1, 2003
Road vehicles - Controller area network (CAN) - Part 1: Data link layer and physical signalling
This part of ISO 11898 specifies the data link layer (DLL) and physical signalling of the controller area network (CAN): a serial communication protocol that supports distributed real-time control...

References

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