BS ISO 20794-2:2020

This standard BS ISO 20794-2:2020 Road vehicles. Clock extension peripheral interface (CXPI) is classified in these ICS categories:

• 43.040.15 Car informatics. On board computer systems

This document describes the application layer protocol including the application measurement and control data management, message transfer and fault management.

The application and application layer contain the following descriptions:

• message structure;

• communication method;

• network management (optional);

• measurement and control data; and

• error handling.

This document also specifies:

• the service interface; and

• the service interface parameters.