SAE J 2366-1-2001 ITS Data Bus - IDB-C Physical Layer.pdf
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1、SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirelyvoluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefro
2、m, is the sole responsibility of the user.”SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions.TO PLACE A DOCUMENT ORDER: +1 (724) 776-4970 FAX: +1 (724) 776-0790SAE WEB ADDRESS http:
3、/www.sae.orgCopyright 2001 Society of Automotive Engineers, Inc.All rights reserved. Printed in U.S.A.SURFACEVEHICLE400 Commonwealth Drive, Warrendale, PA 15096-0001RECOMMENDEDPRACTICEJ2366-1ISSUEDNOV2001Issued 2001-11ITS Data BusIDB-C Physical LayerTABLE OF CONTENTS1. Scope . 22. References . 32.1
4、Applicable Publications 32.1.1 SAE Publications 32.2 Related Publications . 32.2.1 SAE Publications 32.2.2 AMI-C Publications. 43. Definitions. 43.1 CCP (Consumer Convenience Port) 43.2 Embedded IDB-C Component 43.3 IDB-C Number of Devices 43.4 Portable IDB-C Component 43.5 Power Mode (PMODE). 43.6
5、Vehicle Connector 44. Network Speed. 45. Network Topology 45.1.1 IDB-C Cable Segments 55.1.2 IDB-C Termination 55.1.3 Stubs and the Consumer Convenience Port (CCP) . 56. Vehicle Connector 66.1 Vehicle Connector Signals . 66.1.1 CAN(+) and CAN() . 66.1.2 PMODE 66.1.3 Spare 66.1.4 Lt Audio(+) and () .
6、 76.1.5 Rt Audio(+) and () . 76.1.6 Microphone(+) and () 76.1.7 VBatt and Ground . 7SAE J2366-1 Issued NOV2001-2-6.2 Vehicle Connector Configuration and Termination .76.3 IDB-C Con 86.3.1 Connector Testing 86.3.2 Isometric View 86.3.3 Face View .96.3.4 Sectioned Views .96.3.5 Pin Detail View 116.3.6
7、 Construction Notes . 136.3.7 Mating Connector Requirements 13Figure 1 Scope of SAE J2366-1 .3Figure 2 Daisy Chain Wiring Configuration.5Figure 3 Stubs and Consumer Convenience Port (CCP)6Figure 4 IDB-C Grounding Requirement .7Figure 5 Connector Interconnection and Termination Configuration 8Figure
8、6 Vehicle Connector Input or Output Isometric View .8Figure 7 Vehicle Connector Face View 9Figure 8 Vehicle Connector Sectioned View A 9Figure 9 Vehicle Connector Sectioned View B 10Figure 10 Vehicle Connector Sectioned View C 10Figure 11 Vehicle Connector Top View . 11Figure 12 Vehicle Connector Si
9、de View 11Figure 13 Vehicle Connector Pin Detail View 12Figure 14 Vehicle Connector Construction Notes 13Figure 15 Mating Connector Requirements 14Figure 16 Connector Access . 14Table 1 Vehicle Connector Signal Allocation .61. ScopeThis SAE Recommended Practice details the Physical Layer of the Inte
10、lligent Transportation Systems(ITS) Data Bus on CAN (IDB-C), which is generally intended for in-vehicle use. It has been developed by theITS Data Bus (IDB) Physical Layer Subcommittee of the IDB Committee. The objectives of the subcommitteeare to develop information reports, recommended practices an
11、d standards concerned with the requirements,design, and usage of devices that communicate electronic signals and control information among ITS relatedcomponents within the vehicle environment.The IDB-C is a non-proprietary virtual-token passing bus, designed to allow disparate consumer, vehicle, and
12、commercial electronic components to communicate and share information across a standard, open data bus.This document describes the Physical Layer of the IDB-C, as shown in Figure 1. The Physical Layer of theIDB-C incorporates the CAN 2.0B specification per SAE J2284-2, with modifications as noted in
13、 this document.The IDB-C Physical Layer includes the line drivers/receivers, bus topology and termination, and the physicalIDB-C connector. This connector is defined only for the IDB-C backbone, and is not intended to define theactual connector on the IDB-C device itself. The usage of this document
14、is not limited to automotive, truck, bus, agriculture, and marine applications.SAE J2366-1 Issued NOV2001-3-FIGURE 1SCOPE OF SAE J2366-12. References2.1 Applicable PublicationsThe following publications form a part of this specification to the extent specifiedherein. Unless otherwise indicated, the
15、latest version of SAE Publications shall apply. In the event of anyconflicting requirements, this specification shall prevail.2.1.1 SAE PUBLICATIONSAvailable from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001, or http:/www.sae.org.SAE J2284-2High-Speed CAN (HSC) for Vehicle Applications at
16、250 KbpsSAE J2366-1LLow Impedance Stereo Audio BusSAE J2590PMODE for In-Vehicle NetworksSAE/USCAR-2Performance Specification for Automotive Connector Systems2.2 Related PublicationsThe following publications are provided for information purposes only and are not arequired part of this document.2.2.1
17、 SAE PUBLICATIONSAvailable from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001, or http:/www.sae.org.SAE J2355ITS Data Bus Architecture Reference Model Information ReportSAE J2366-2ITS Data BusLink LayerSAE J2366-4ITS Data BusThin Transport LayerSAE J2366-7ITS Data BusApplication Message Lay
18、erSAE J2366-7XITS Data BusMessage Sets for Device ClassesSAE J2366-7LXITS Data BusIDB LexiconSAE J2366-1 Issued NOV2001-4-2.2.2 AMI-C PUBLICATIONSAvailable from http:/www.ami-c.org.AMI-C SPEC 1001Release 1 Architecture AMI-C SPEC 1002Functional RequirementsAMI-C SPEC 3001Vehicle Interface Specificat
19、ion Release 1AMI-C SPEC 3002Common Message SetAMI-C SPEC 3003OEM to IDB-C GatewayAMI-C SPEC 4001Physical Specification3. Definitions3.1 CCP (Consumer Convenience Port)The CCP is a connector that allows a user to plug portable IDB-Ccomponents into the on-board IDB-C network. The connector specificati
20、ons are being developed by a jointworking group of the IDB-C Physical Layer subcommittee of the SAE IDB Committee in cooperation with theMobile Electronics Division Committee R6 of the Consumer Electronics Association (CEA), and are notprovided in this document.3.2 Embedded IDB-C ComponentThis is us
21、ed to describe those components that are typically permanentlymounted in the vehicle. These components include those that are installed by the vehicle manufacturer or theuser.3.3 IDB-C Number of DevicesAn IDB-C network is limited to a maximum of 16 physical devices3.4 Portable IDB-C ComponentThis is
22、 used to describe those components that are brought to the vehicle bythe user and used temporarily or semi-permanently in the passenger cabin of the vehicle.3.5 Power Mode (PMODE)The Power Mode Signal indicates the power mode of the IDB-C subsystem to allconnected devices. The requirements for the P
23、ower Mode signal are defined in SAE J2590, incorporated byreference into this document.3.6 Vehicle ConnectorThis is the standard connector required by this document to be installed on an IDB-Ccomponent. This connector is to be used on embedded IDB-C components.4. Network Speed and Bit TimingThe Data
24、 rate of the IDB-C is 250 Kbps. Refer to SAE J2284-2 for CAN bittiming at 250 Kbps.5. Network TopologyThe IDB-C Physical Layer topology is a terminated daisy chained bus, such that a singlesegment of cable is connected between each component. Each component in the daisy chain has two maleconnectors,
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