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Confidential

Specification for

D-PHY

Version

2.0

23 November 201

MIPI Board Adopte

d 08 March 2016

Further technical changes to t

his document are expected as work continues in the Phy Working Group.

Specification for D-PHY Version 2.0

23-Nov-2015

Confidential

NOTICE OF DISCLAIMER

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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

Version 2.0 Specification for D-PHY

23-Nov-2015

Confidential

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 Use of Special Terms ....................................................................................................... 3

2.2 Definitions ....................................................................................................................... 3

2.3 Abbreviations ................................................................................................................... 4

2.4 Acronyms ......................................................................................................................... 4

3 References ....................................................................................................................6

4 D-PHY Overview .........................................................................................................7

4.1 Summary of PHY Functionality ...................................................................................... 7

4.2 Mandatory Functionality ................................................................................................. 7

5 Architecture .................................................................................................................8

5.1 Lane Modules .................................................................................................................. 8

5.2 Master and Slave .............................................................................................................. 9

5.3 High Frequency Clock Generation .................................................................................. 9

5.4 Clock Lane, Data Lanes and the PHY-Protocol Interface ................................................ 9

5.5 Selectable Lane Options ................................................................................................ 10

5.6 Lane Module Types ....................................................................................................... 12

5.6.1 Unidirectional Data Lane ........................................................................................... 13

5.6.2 Bi-directional Data Lanes ........................................................................................... 13

5.6.3 Clock Lane.................................................................................................................. 14

5.7 Configurations ............................................................................................................... 14

5.7.1 Unidirectional Configurations .................................................................................... 16

5.7.2 Bi-Directional Half-Duplex Configurations ............................................................... 17

5.7.3 Mixed Data Lane Configurations ............................................................................... 18

6 Global Operation .......................................................................................................19

6.1 Transmission Data Structure .......................................................................................... 19

6.1.1 Data Units ................................................................................................................... 19

6.1.2 Bit order, Serialization, and De-Serialization ............................................................. 19

6.1.3 Encoding and Decoding ............................................................................................. 19

6.1.4 Data Buffering ............................................................................................................ 19

6.2 Lane States and Line Levels .......................................................................................... 19

6.3 Operating Modes: Control, High-Speed, and Escape .................................................... 20

6.4 High-Speed Data Transmission ..................................................................................... 21

6.4.1 Burst Payload Data ..................................................................................................... 21

6.4.2 Start-of-Transmission ................................................................................................. 21

6.4.3 End-of-Transmission .................................................................................................. 22

Specification for D-PHY Version 2.0

23-Nov-2015

Confidential

6.4.4 HS Data Transmission Burst....................................................................................... 22

6.5 Bi-directional Data Lane Turnaround ............................................................................ 24

6.6 Escape Mode .................................................................................................................. 27

6.6.1 Remote Triggers ......................................................................................................... 28

6.6.2 Low-Power Data Transmission .................................................................................. 28

6.6.3 Ultra-Low Power State ............................................................................................... 29

6.6.4 Escape Mode State Machine ...................................................................................... 29

6.7 High-Speed Clock Transmission ................................................................................... 31

6.8 Clock Lane Ultra-Low Power State ............................................................................... 36

6.9 Global Operation Timing Parameters ............................................................................ 37

6.10 System Power States ...................................................................................................... 41

6.11 Initialization ................................................................................................................... 41

6.12 Calibration ..................................................................................................................... 41

6.13 Global Operation Flow Diagram ................................................................................... 45

6.14 Data Rate Dependent Parameters (informative) ............................................................ 47

6.14.1 Parameters Containing Only UI Values .................................................................. 48

6.14.2 Parameters Containing Time and UI values ........................................................... 48

6.14.3 Parameters Containing Only Time Values .............................................................. 48

6.14.4 Parameters Containing Only Time Values That Are Not Data Rate Dependent ..... 49

6.15 Interoperability .............................................................................................................. 49

7 Fault Detection ..........................................................................................................50

7.1 Contention Detection ..................................................................................................... 50

7.2 Sequence Error Detection .............................................................................................. 50

7.2.1 SoT Error .................................................................................................................... 51

7.2.2 SoT Sync Error ........................................................................................................... 51

7.2.3 EoT Sync Error ........................................................................................................... 51

7.2.4 Escape Mode Entry Command Error .......................................................................... 51

7.2.5 LP Transmission Sync Error ....................................................................................... 51

7.2.6 False Control Error ..................................................................................................... 51

7.3 Protocol Watchdog Timers (informative) ...................................................................... 51

7.3.1 HS RX Timeout .......................................................................................................... 51

7.3.2 HS TX Timeout .......................................................................................................... 51

7.3.3 Escape Mode Timeout ................................................................................................ 51

7.3.4 Escape Mode Silence Timeout ................................................................................... 51

7.3.5 Turnaround Errors ...................................................................................................... 52

8 Interconnect and Lane Configuration .....................................................................53

8.1 Lane Configuration ........................................................................................................ 53

8.2 Boundary Conditions ..................................................................................................... 53

8.3 Definitions ..................................................................................................................... 53

8.4 S-parameter Specifications ............................................................................................ 54

8.5 Characterization Conditions .......................................................................................... 54

8.6 Interconnect Specifications ............................................................................................ 54

8.6.1 Differential Characteristics ......................................................................................... 55

8.6.2 Common-mode Characteristics .................................................................................. 57

8.6.3 Intra-Lane Cross-Coupling ......................................................................................... 57

8.6.4 Mode-Conversion Limits ............................................................................................ 57

8.6.5 Inter-Lane Cross-Coupling ......................................................................................... 57

Version 2.0 Specification for D-PHY

23-Nov-2015

Confidential

8.6.6 Inter-Lane Static Skew ............................................................................................... 58

8.7 Driver and Receiver Characteristics .............................................................................. 59

8.7.1 Differential Characteristics ......................................................................................... 59

8.7.2 Common-Mode Characteristics .................................................................................. 60

8.7.3 Mode-Conversion Limits ............................................................................................ 61

9 Electrical Characteristics .........................................................................................62

9.1 Driver Characteristics .................................................................................................... 63

9.1.1 High-Speed Transmitter .............................................................................................. 63

9.1.2 Low-Power Transmitter .............................................................................................. 69

9.2 Receiver Characteristics ................................................................................................ 72

9.2.1 High-Speed Receiver .................................................................................................. 72

9.2.2 Low-Power Receiver .................................................................................................. 74

9.3 Line Contention Detection ............................................................................................. 75

9.4 Input Characteristics ...................................................................................................... 76

10 High-Speed Data-Clock Timing ............................................................................78

10.1 High-Speed Clock Timing ............................................................................................. 78

10.2 Forward High-Speed Data Transmission Timing .......................................................... 79

10.2.1 Data-Clock Timing Specifications.......................................................................... 80

10.2.2 Normative Spread Spectrum Clocking (SSC) ........................................................ 81

10.2.3 Transmitter Eye Diagram Specification ................................................................. 82

10.2.4 Receiver Eye Diagram Specification ...................................................................... 84

10.3 Reverse High-Speed Data Transmission Timing ........................................................... 85

10.4 Operating Modes: Data rate and Channel Support Guidance ........................................ 86

11 Regulatory Requirements ......................................................................................88

12 Built-In HS Test Mode (Informative) ...................................................................89

12.1 Introduction.................................................................................................................... 89

12.2 Entering the HS Test Mode ............................................................................................ 90

12.3 HS Test Mode ................................................................................................................ 90

12.4 Special Case: Multi-Lane Testing .................................................................................. 92

12.5 Exiting from HS Test Mode ........................................................................................... 92

Annex A Logical PHY-Protocol Interface Description (informative) ...................93

A.1 Signal Description ......................................................................................................... 93

A.2 High-Speed Transmit from the Master Side ................................................................ 103

A.3 High-Speed Receive at the Slave Side ......................................................................... 104

A.4 High-Speed Transmit from the Slave Side .................................................................. 104

A.5 High-Speed Receive at the Master Side ...................................................................... 105

A.6 Low-Power Data Transmission .................................................................................... 105

A.7 Low-Power Data Reception ......................................................................................... 106

A.8 Turn-around ................................................................................................................. 106

A.9 Calibration ................................................................................................................... 107

A.10 Optical Link Support ................................................................................................... 109

A.10.1 System Setup ........................................................................................................ 109

A.10.2 Serializer and De-Serializer Block Diagrams ....................................................... 110

A.10.3 Timing Constraints ............................................................................................... 111

A.10.4 System Constraints ............................................................................................... 112

剩余142页未读，继续阅读

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xd_laoxie

2020-12-23

确定是2.0无疑，很好用！

mipi DPHY2.0 spec

评论3

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mipi DPHY2.0 spec

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