没有合适的资源?快使用搜索试试~ 我知道了~
首页FlexRay Communications System Electrical Physical Layer Specification, Ver 3.0.1
FlexRay Communications System Electrical Physical Layer Specific...
需积分: 10 18 下载量 53 浏览量
更新于2023-03-16
评论
收藏 1.67MB PDF 举报
FlexRay Communications System Electrical Physical Layer Specification, Version 3.0.1
资源详情
资源评论
资源推荐
FlexRay Communications System
Electrical Physical Layer Specification
Version 3.0.1
FlexRay Electrical Physical Layer Specification Disclaimer
DISCLAIMER
This specification and the material contained in it, as released by the FlexRay Consortium, is for the
purpose of information only. The FlexRay Consortium and the companies that have contributed to it
shall not be liable for any use of the specification.
The material contained in this specification is protected by copyright and other types of Intellectual
Property Rights. The commercial exploitation of the material contained in this specification requires a
license to such Intellectual Property Rights.
This specification may be utilized or reproduced without any modification, in any form or by any
means, for informational purposes only.
For any other purpose, no part of the specification may be utilized or reproduced, in any form or by
any means, without permission in writing from the publisher.
Important Information
1. The FlexRay™ specifications V2.1 and V3.0.1 and the corresponding
FlexRay™ Conformance Test specifications (hereinafter together “FlexRay™
specifications“) have been developed for automotive applications only. They
have neither been developed nor tested for non-automotive applications.
2. The FlexRay™ specifications are retrievable on the website www.flexray.com
for information purposes only and without obligation.
3. The technical expertise provided in the FlexRay™ specifications is subject to
continuous further development. The FlexRay™ specifications serve
exclusively as an information source to enable to manufacture and test
products which comply with the FlexRay™ specifications (“FlexRay™
compliant products”). Observation of the FlexRay™ specifications does
neither guarantee the operability and safety of the FlexRay™ compliant
products, nor does it guarantee the safe cooperation of multiple FlexRay™
compliant products with each other or with other products. Therefore, the
members of the former FlexRay™ Consortium are not able to assume liability
for the operability and safety of such products and the safe cooperation of
multiple FlexRay™ compliant products with each other or with other products.
4. The FlexRay™ specifications V3.0.1 were submitted to ISO in order to be
published as a standard for road vehicles.
The word FlexRay and the FlexRay logo are registered trademarks.
Copyright © 2006 – 2010. All rights reserved.
The Core Partners of the FlexRay Consortium are Adam Opel GmbH, Bayerische Motoren Werke AG,
Daimler AG, Freescale Halbleiter Deutschland GmbH, NXP B.V., Robert Bosch GmbH and
Volkswagen AG.
FlexRay Electrical Physical Layer Specification Table of contents
Version 3.0.1 October 2010 Page 3 of 134
Table of contents
CHAPTER 1 INTRODUCTION ...................................................................................................................... 9
1.1 Objective ............................................................................................................................................... 9
1.2 Overview ............................................................................................................................................... 9
1.3 References ............................................................................................................................................ 9
1.4 Terms and definitions ..........................................................................................................................10
1.5 List of abbreviations ............................................................................................................................10
1.6 Notational conventions ........................................................................................................................10
1.6.1 Parameter prefix conventions ........................................................................................................10
1.6.2 Parameter color conventions .........................................................................................................11
1.7 Important preliminary notes ................................................................................................................12
1.7.1 Bus speed ......................................................................................................................................12
1.7.2 Conformance tests ........................................................................................................................12
1.7.3 Conformance test of FlexRay communication controllers .............................................................12
1.8 Revision history ...................................................................................................................................13
CHAPTER 2 COMMUNICATION CHANNEL BASICS ..............................................................................14
2.1 Objective .............................................................................................................................................14
2.2 Propagation delay ...............................................................................................................................14
2.2.1 Asymmetric delay ..........................................................................................................................15
2.3 Frame TSS length change ..................................................................................................................16
2.4 Symbol length change.........................................................................................................................17
2.5 FES1 length change ............................................................................................................................17
2.6 Collisions .............................................................................................................................................18
2.7 Stochastic jitter ....................................................................................................................................18
2.7.1 Introduction ....................................................................................................................................18
2.7.2 Stochastic jitter on data edges ......................................................................................................18
2.7.3 Stochastic jitter on TSS length change .........................................................................................18
2.7.4 Stochastic jitter on symbol length change .....................................................................................18
2.8 Wakeup patterns .................................................................................................................................19
2.8.1 Overview ........................................................................................................................................19
2.8.2 Standard wakeup pattern ..............................................................................................................19
2.8.3 Alternative wakeup patterns ..........................................................................................................19
CHAPTER 3 PRINCIPLE OF FLEXRAY NETWORKING ..........................................................................20
3.1 Objective .............................................................................................................................................20
3.2 Interconnection of nodes .....................................................................................................................20
3.3 Electrical signaling ..............................................................................................................................21
3.3.1 Overview ........................................................................................................................................21
3.3.2 Bus state: Idle ................................................................................................................................21
3.3.3 Bus state: Data_1 ..........................................................................................................................22
3.3.4 Bus state: Data_0 ..........................................................................................................................22
FlexRay Electrical Physical Layer Specification Table of contents
Version 3.0.1 October 2010 Page 4 of 134
CHAPTER 4 NETWORK COMPONENTS ..................................................................................................23
4.1 Objective .............................................................................................................................................23
4.2 Cables .................................................................................................................................................23
4.3 Connectors ..........................................................................................................................................23
4.4 Cable termination ................................................................................................................................24
4.4.1 Terminated cable end ....................................................................................................................24
4.4.2 Un-terminated cable end ...............................................................................................................25
4.5 Termination concept ............................................................................................................................25
4.6 Common mode chokes .......................................................................................................................26
4.7 DC bus load ........................................................................................................................................26
CHAPTER 5 NETWORK TOPOLOGY .......................................................................................................27
5.1 Objective .............................................................................................................................................27
5.2 Point-to-point connection ....................................................................................................................27
5.3 Passive star .........................................................................................................................................28
5.4 Linear passive bus ..............................................................................................................................29
5.5 Active star network ..............................................................................................................................30
5.6 Cascaded active stars .........................................................................................................................31
5.7 Hybrid topologies ................................................................................................................................32
5.8 Dual channel topologies ......................................................................................................................32
CHAPTER 6 ASYMMETRIC DELAY BUDGET..........................................................................................33
6.1 Objective .............................................................................................................................................33
6.2 Basic topology for Asymmetric Delay Budget .....................................................................................33
6.3 Definition of Test Planes .....................................................................................................................34
6.4 Requirements to the Asymmetric Delay Budget .................................................................................36
6.5 Definition of maximum asymmetric delay portions .............................................................................36
6.6 Other networks ....................................................................................................................................40
CHAPTER 7 SIGNAL INTEGRITY .............................................................................................................41
7.1 Objective .............................................................................................................................................41
7.2 Mask test at TP1 / TP11......................................................................................................................41
7.2.1 Overview ........................................................................................................................................41
7.2.2 Standard TP1 Mask .......................................................................................................................42
7.2.3 TP1 mask for functional class “Bus driver increased voltage amplitude transmitter” ...................43
7.2.4 Standard TP11 Mask .....................................................................................................................44
7.2.5 TP11 mask for functional class “Active star increased voltage amplitude transmitter” .................45
CHAPTER 8 ELECTRICAL BUS DRIVER .................................................................................................46
8.1 Overview .............................................................................................................................................46
8.2 Operation modes .................................................................................................................................47
8.2.1 BD_Normal mode ..........................................................................................................................47
8.2.2 BD_Standby mode ........................................................................................................................47
8.2.3 BD_Sleep mode (optional) ............................................................................................................47
FlexRay Electrical Physical Layer Specification Table of contents
Version 3.0.1 October 2010 Page 5 of 134
8.2.4 BD_ReceiveOnly mode (optional) .................................................................................................47
8.2.5 BD_Off ...........................................................................................................................................47
8.3 Operation mode transitions .................................................................................................................48
8.3.1 Overview ........................................................................................................................................48
8.3.2 Mode transitions due to detection of undervoltage conditions ......................................................49
8.3.3 Mode transitions in case of undervoltage recovery .......................................................................49
8.3.4 Mode transitions due to detected wakeup events .........................................................................50
8.3.5 Power on event ..............................................................................................................................50
8.3.6 Power off event ..............................................................................................................................50
8.4 Bus driver – communication controller interface .................................................................................51
8.4.1 Overview ........................................................................................................................................51
8.4.2 RxD - behavior ...............................................................................................................................51
8.4.3 TxD/TxEN behavior in case a bus driver - bus guardian interface is implemented ......................52
8.4.4 TxD/TxEN - behavior in case a bus driver - bus guardian interface is not implemented ..............52
8.4.5 TxEN – RxD loopback ...................................................................................................................52
8.4.6 Electrical characteristics ................................................................................................................53
8.5 Bus driver – bus guardian interface (optional) ....................................................................................54
8.6 Bus driver – host interface ..................................................................................................................55
8.6.1 Overview ........................................................................................................................................55
8.6.2 Hard wired signals (Option A) .......................................................................................................55
8.6.3 Serial peripheral interface (SPI) (Option B) ...................................................................................58
8.7 Bus driver – power supply interface ....................................................................................................59
8.7.1 V
CC
supply voltage monitoring .......................................................................................................59
8.7.2 V
BAT
supply voltage monitoring ......................................................................................................59
8.7.3 Inhibit output (optional) ..................................................................................................................60
8.8 Bus driver - level shift interface (optional) ...........................................................................................60
8.8.1 V
IO
voltage monitoring ...................................................................................................................60
8.9 Bus driver - bus interface ....................................................................................................................61
8.9.1 Overview ........................................................................................................................................61
8.9.2 Transmitter characteristics ............................................................................................................61
8.9.3 Transmitter behavior at transition from idle to active and vice versa ............................................63
8.9.4 Receiver behavior (in non-low power mode) .................................................................................64
8.9.5 Receiver characteristics ................................................................................................................65
8.9.6 Receiver timing characteristics ......................................................................................................67
8.9.7 Receiver behavior at transition from idle to active and vice versa ................................................69
8.9.8 Receiver behavior (in low power mode) ........................................................................................70
8.9.9 Bus driver - bus interface behavior, when in BD_Off mode ..........................................................71
8.9.10 Bus driver - bus interface behavior under short-circuit conditions ..............................................71
8.9.11 Bus driver - bus interface simulation model parameters .............................................................71
8.10 Bus driver – wakeup interface (optional)...........................................................................................72
8.10.1 Wakeup via dedicated WAKE pin ................................................................................................72
8.10.2 Local wakeup operating requirements ........................................................................................72
8.11 Remote wakeup event detector (optional) ........................................................................................72
8.11.1 Wakeup with wakeup patterns independent of data rate ............................................................72
8.11.2 Wakeup with frames in 10Mbit/s systems ...................................................................................73
8.11.3 Wakeup state machine ................................................................................................................73
8.11.4 Remote wakeup operating requirements ....................................................................................74
8.12 Bus driver behavior under fault conditions ........................................................................................75
8.12.1 Environmental errors ...................................................................................................................75
8.12.2 Behavior of unconnected digital input signals .............................................................................76
8.12.3 Behavior with dynamic low battery voltage .................................................................................77
8.12.4 Behavior with dynamic low supply voltage ..................................................................................77
8.12.5 Bus failure detection ....................................................................................................................78
8.12.6 Over-temperature protection .......................................................................................................78
剩余133页未读,继续阅读
lessfame
- 粉丝: 0
- 资源: 7
上传资源 快速赚钱
- 我的内容管理 收起
- 我的资源 快来上传第一个资源
- 我的收益 登录查看自己的收益
- 我的积分 登录查看自己的积分
- 我的C币 登录后查看C币余额
- 我的收藏
- 我的下载
- 下载帮助
会员权益专享
最新资源
- c++校园超市商品信息管理系统课程设计说明书(含源代码) (2).pdf
- 建筑供配电系统相关课件.pptx
- 企业管理规章制度及管理模式.doc
- vb打开摄像头.doc
- 云计算-可信计算中认证协议改进方案.pdf
- [详细完整版]单片机编程4.ppt
- c语言常用算法.pdf
- c++经典程序代码大全.pdf
- 单片机数字时钟资料.doc
- 11项目管理前沿1.0.pptx
- 基于ssm的“魅力”繁峙宣传网站的设计与实现论文.doc
- 智慧交通综合解决方案.pptx
- 建筑防潮设计-PowerPointPresentati.pptx
- SPC统计过程控制程序.pptx
- SPC统计方法基础知识.pptx
- MW全能培训汽轮机调节保安系统PPT教学课件.pptx
资源上传下载、课程学习等过程中有任何疑问或建议,欢迎提出宝贵意见哦~我们会及时处理!
点击此处反馈
安全验证
文档复制为VIP权益,开通VIP直接复制
信息提交成功
评论0