mipi_M-PHY_specification_v4-1a.pdf

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01-Dec-2016

Specification for

M-PHY

Version 4.1 – 01 December 2016

MIPI Board Adopted 28-Mar-2017

CAUTION TO IMPLEMENTERS

Confidential

This document is a Specification. MIPI member companies’ rights and obligations apply to this Specification as

defined in the MIPI Membership Agreement and MIPI Bylaws.

This release represents the fourth in a series of major releases of the Specification for M-PHY, each supporting

additional high speed GEARs.

All GEAR names and related parameters are reserved for exclusive use by the PHY WG. Implementers should

provide support, such as allowing software to select different GEARs, in their designs.

Confidential

Specification for M-PHY Version 4.1

01-Dec-2016

NOTICE OF DISCLAIMER

The material contained herein is not a license, either expressly or implicitly, to any IPR owned or controlled

by any of the authors or developers of this material or MIPI

. The material contained herein is provided on an

“AS IS” basis and to the maximum extent permitted by applicable law, this material is provided AS IS AND

WITH ALL FAULTS, and the authors and developers of this material and MIPI hereby disclaim all other

warranties and conditions, either express, implied or statutory, including, but not limited to, any (if any)

implied warranties, duties or conditions of merchantability, of fitness for a particular purpose, of accuracy or

completeness of responses, of results, of workmanlike effort, of lack of viruses, and of lack of negligence.

All materials contained herein are protected by copyright laws, and may not be reproduced, republished,

distributed, transmitted, displayed, broadcast or otherwise exploited in any manner without the express prior

written permission of MIPI Alliance. MIPI, MIPI Alliance and the dotted rainbow arch and all related

trademarks, tradenames, and other intellectual property are the exclusive property of MIPI Alliance and

cannot be used without its express prior written permission.

ALSO, THERE IS NO WARRANTY OF CONDITION OF TITLE, QUIET ENJOYMENT, QUIET

POSSESSION, CORRESPONDENCE TO DESCRIPTION OR NON-INFRINGEMENT WITH REGARD

TO THIS MATERIAL OR THE CONTENTS OF THIS DOCUMENT. IN NO EVENT WILL ANY

AUTHOR OR DEVELOPER OF THIS MATERIAL OR THE CONTENTS OF THIS DOCUMENT OR

MIPI BE LIABLE TO ANY OTHER PARTY FOR THE COST OF PROCURING SUBSTITUTE GOODS

OR SERVICES, LOST PROFITS, LOSS OF USE, LOSS OF DATA, OR ANY INCIDENTAL,

CONSEQUENTIAL, DIRECT, INDIRECT, OR SPECIAL DAMAGES WHETHER UNDER CONTRACT,

TORT, WARRANTY, OR OTHERWISE, ARISING IN ANY WAY OUT OF THIS OR ANY OTHER

AGREEMENT, SPECIFICATION OR DOCUMENT RELATING TO THIS MATERIAL, WHETHER OR

NOT SUCH PARTY HAD ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.

Without limiting the generality of this Disclaimer stated above, the user of the contents of this Document is

further notified that MIPI: (a) does not evaluate, test or verify the accuracy, soundness or credibility of the

contents of this Document; (b) does not monitor or enforce compliance with the contents of this Document;

and (c) does not certify, test, or in any manner investigate products or services or any claims of compliance

with the contents of this Document. The use or implementation of the contents of this Document may involve

or require the use of intellectual property rights (“IPR”) including (but not limited to) patents, patent

applications, or copyrights owned by one or more parties, whether or not Members of MIPI. MIPI does not

make any search or investigation for IPR, nor does MIPI require or request the disclosure of any IPR or

claims of IPR as respects the contents of this Document or otherwise.

Questions pertaining to this document, or the terms or conditions of its provision, should be addressed to:

MIPI Alliance, Inc.

c/o IEEE-ISTO

445 Hoes Lane

Piscataway, NJ 08854

Attn: Board Secretary

Confidential

Version 4.1 Specification for M-PHY

01-Dec-2016

Contents

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii

Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii

Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . x

Release History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .xii

1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.1 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.2 Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2 Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2.1 Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2.2 Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.3 Acronyms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

4 Architecture and Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

4.1 PIN, LINE, LANE, SUB-LINK, LINK, and M-PORT. . . . . . . . . . . . . . . . . . . . . . . . . . 9

4.2 LINE States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

4.2.1 Termination Scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

4.2.2 Signal Amplitudes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

4.3 Signaling Schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

4.3.1 Non-Return-to-Zero (NRZ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

4.3.2 Pulse Width Modulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

4.4 Overview of Concept, Features, and Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

4.5 Line Coding. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

4.5.1 Data Symbols. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

4.5.2 Control Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

4.5.3 Running Disparity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

4.5.4 Bit Order and Binary Value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

4.6 State Machines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4.6.1 State Machine for a Type-I MODULE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4.6.2 State Machine for a Type-II MODULE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

4.6.3 State Machine Structure and State Categories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

4.7 FSM State Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

4.7.1 SAVE States. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

4.7.2 BURST States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

4.7.3 BURST MODEs and GEARs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

4.7.4 BREAK States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

4.8 Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

4.8.1 Conceptual Configuration Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

4.8.2 Configuration Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

4.9 Multiple LANE Provisions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

4.10 Test Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

4.10.1 LOOPBACK Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

5 Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

5.1 M-TX Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

剩余218页未读，继续阅读

drkshcn

2022-05-17

就是M-PHY 4.1。没看出有啥区别。

baidu_33643793

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