Clock Extension Peripheral Interface (CXPI)

Standard:
Issued:
  • 2015-10-27
 
  • CURRENT
Publisher:
  • SAE International
Pages:
37
Scope:

1.1 Mission/Theme This document is an information report and intended to provide an overview of the Clock Extension Peripheral Interface (CXPI) protocol. 1.2 Overview This document describes the features and functions of the CXPI protocol. The CXPI protocol provides some selected features of the Controller Area Network (CAN) protocol implemented on a UART-based data link for mainly HMI (Human Machine Interface) of road vehicles electric systems. 1.3 Relationship to JASO D015 CXPI Specification This information report is a description of the CXPI protocol, which is specified in the JASO D015 CXPI document published by JASO. The JASO D015 CXPI specification is the normative reference for the CXPI protocol. The CXPI specification is maintained by JSAE (Society of Automotive Engineers of Japan, Inc.). This information report does not supersede any information contained in the JASO D015 CXPI specification. It has the sole purpose of providing textual description and graphical illustrations to ease reading and interpretation of the CXPI protocol.

Rationale:

The CXPI protocol is a low speed low cost communication protocol that is capable of reducing wire counts to simple devices like switches and sensors. This document defines an implementation of the CXPI protocol with the focus on enabling ASIC designs commonly found in switches and sensors.

History:
Standard Published Revision Status
J3076_201510 2015-10-27 Latest Issued
AKA:
  • SAE J 3076
Sector:
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