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mipi_M-PHY_specification_v4-1.pdf
Contents
Figures
Tables
Release History
1 Introduction
1.1 Scope
1.2 Purpose
2 Terminology
2.1 Definitions
2.2 Abbreviations
2.3 Acronyms
3 References
4 Architecture and Operation
4.1 PIN, LINE, LANE, SUB-LINK, LINK, and M-PORT
4.2 LINE States
4.2.1 Termination Scheme
4.2.2 Signal Amplitudes
4.3 Signaling Schemes
4.3.1 Non-Return-to-Zero (NRZ)
4.3.2 Pulse Width Modulation
4.4 Overview of Concept, Features, and Options
4.5 Line Coding
4.5.1 Data Symbols
4.5.2 Control Symbols
4.5.3 Running Disparity
4.5.3.1 RD Characteristics and M-TX Coding Rules
4.5.3.2 M-RX Disparity Handling
4.5.4 Bit Order and Binary Value
4.6 State Machines
4.6.1 State Machine for a Type-I MODULE
4.6.2 State Machine for a Type-II MODULE
4.6.3 State Machine Structure and State Categories
4.7 FSM State Descriptions
4.7.1 SAVE States
4.7.1.1 STALL
4.7.1.2 SLEEP
4.7.1.3 HIBERN8
4.7.1.4 DISABLED
4.7.1.5 UNPOWERED
4.7.1.5.1 Power-Up Cycle
4.7.2 BURST States
4.7.2.1 PREPARE for BURST
4.7.2.2 SYNC
4.7.2.3 ADAPT
4.7.2.4 PAYLOAD of BURST
4.7.2.5 Closure of BURST
4.7.2.5.1 Closure and Return to SAVE
4.7.2.5.2 Closure and Return to LINE-CFG
4.7.2.6 Example of an HS-BURST
4.7.3 BURST MODEs and GEARs
4.7.3.1 HS-BURST
4.7.3.1.1 HS-GEARs
4.7.3.2 PWM-BURST
4.7.3.2.1 PWM-GEARs
4.7.3.3 System-clock Synchronous BURST (SYS-BURST)
4.7.4 BREAK States
4.7.4.1 LINE-RESET
4.7.4.2 LINE-CFG (Type-I MODULE Only)
4.7.4.2.1 LINE-INIT
4.7.4.2.2 LINE Control Command (LCC)
4.7.4.2.3 LINE-READ and LINE-WRITE Frames
4.7.4.2.4 Re-Configuration Trigger (RCT)
4.8 Configuration
4.8.1 Conceptual Configuration Process
4.8.1.1 Configuration without Media Converters
4.8.1.2 Configuration with Media Converters in the LINE
4.8.2 Configuration Parameters
4.9 Multiple LANE Provisions
4.10 Test Modes
4.10.1 LOOPBACK Mode
5 Electrical Characteristics
5.1 M-TX Characteristics
5.1.1 Common M-TX Characteristics
5.1.1.1 PIN, Signal, and Reference Characteristic Definitions
5.1.1.2 Differential and Common-mode Voltage
5.1.1.3 Single-ended Output Resistance
5.1.1.4 Return Loss
5.1.1.5 LINE Disturbance during M-TX Power-up
5.1.1.6 Common M-TX Parameters
5.1.2 HS-TX Characteristics
5.1.2.1 Rise and Fall Times
5.1.2.2 Slew Rate
5.1.2.3 Intra-LANE Output Skew
5.1.2.4 LANE-to-LANE Skew
5.1.2.5 Output Resistance Mismatch
5.1.2.6 Transmitter Pulse Width
5.1.2.7 Transmitter Jitter
5.1.2.8 Transmitter De-emphasis
5.1.2.9 Transmitter Eye Opening
5.1.2.10 Power Spectral Magnitude Limit
5.1.2.10.1 Common-mode Power Spectral Magnitude Limit
5.1.2.10.2 Spectrum Generation Method
5.1.2.11 Transmitter Frequency Offset
5.1.2.12 HS-TX Parameters
5.1.3 PWM-TX Characteristics
5.1.3.1 PWM Bit Duration, Bit Duration Tolerance, and Ratio
5.1.3.2 Rise and Fall Time
5.1.3.3 LANE-to-LANE Skew
5.1.3.4 PWM-TX Parameters
5.1.4 SYS-TX Characteristics
5.1.4.1 Rise and Fall Times
5.1.4.2 LANE-to-LANE Skew
5.1.4.3 Data-to-Clock Skew
5.1.4.4 SYS-TX Parameters
5.2 M-RX Characteristics
5.2.1 Common M-RX Characteristics
5.2.1.1 PIN, Signal, and Reference Characteristic Definitions
5.2.1.2 Differential and Common-mode Voltage
5.2.1.3 Termination Resistance
5.2.1.4 Differential Termination Switching Time
5.2.1.5 Return Loss
5.2.1.6 Common M-RX Parameters
5.2.2 HS-RX Characteristics
5.2.2.1 LANE-to-LANE Skew
5.2.2.2 Receiver Jitter Tolerance
5.2.2.3 Receiver Eye Opening and Accumulated Differential Receiver Input Voltage
5.2.2.4 Receiver Pulse Width
5.2.2.5 HS-RX Parameters
5.2.3 PWM-RX Characteristics
5.2.3.1 Accumulated Differential Receiver Input Voltage
5.2.3.2 PWM Bit Duration, Bit Duration Tolerance, and Ratio
5.2.3.3 Rise and Fall Time
5.2.3.4 LANE-to-LANE Skew
5.2.3.5 PWM-RX Parameters
5.2.4 SYS-RX Characteristics
5.2.4.1 LANE-to-LANE Skew
5.2.4.2 Setup and Hold Times
5.2.5 SQ-RX Characteristics
5.2.5.1 Squelch Common-mode Voltage and Squelch Differential Voltage
5.2.5.2 Squelch Exit Voltage
5.2.5.3 Squelch Exit Time
5.2.5.4 Squelch Pulse and RF Rejection
5.2.5.5 SQ-RX Parameters
5.3 PIN Characteristics
5.3.1 PIN Capacitance
5.3.2 PIN Signal Voltage Range
5.3.3 PIN Leakage Current
5.3.4 Ground Shift
5.3.5 PIN Parameters
6 Electrical Interconnect (informative)
6.1 Line Characteristics
6.2 Methodology
6.3 Methodology Guidance for Validating a LANE
6.3.1 Interconnect S-parameters Extraction
6.3.2 Simulation Environment Setup
7 Optical Media Converter (OMC)
7.1 Application Benefits of the OMC
7.2 Types of OMCs
7.3 Internal and External OMCs
7.4 OMC – Architecture and Operations
7.4.1 OMC – Data Transmission BURST Modes
7.4.1.1 OMC – PWM-BURST
7.4.2 OMC – HS-BURST
7.4.3 OMC – DISABLED
7.4.3.1 Power Supply Removal
7.4.3.2 OMC – HIBERN8
7.4.4 OMC – Transitional States
7.4.4.1 OMC – LINE-RESET
7.5 OMC – Electrical and Interconnect
7.5.1 OMC – Galvanic Connection Specification
7.5.2 OMC – Signal Delay
7.5.2.1 OMC – LINE Delay
7.5.2.2 OMC – Signal Propagation Delay
7.5.3 OMC – HS-BURST Operation
7.5.3.1 OMC – HS-BURST Timing
7.5.3.2 OMC – HS-BURST Jitter Budget
7.5.3.3 OMC – PWM Transmit Ratio Budget
7.6 OMC Configuration
7.6.1 OMC Detection
7.6.1.1 Basic OMC
7.6.1.2 Advanced OMC
7.6.2 OMC – Configuration LCCs
7.6.2.1 OMC – LCC-WRITE
7.6.2.1.1 OMC – LCC-WRITE-ATTRIBUTE
7.6.2.1.2 OMC – LCC-WRITE-CUSTOM
7.6.2.2 OMC – LCC-READ
7.6.2.2.1 OMC – LCC-READ-CAPABILITY
7.6.2.2.2 OMC – LCC-READ-MFG-INFO and LCC-READ-VEND-INFO
7.6.2.2.3 OMC – LCC-READ-CUSTOM
7.7 OMC – M-PHY Conformance
7.8 OMC – Test Methodology
8 The Protocol Interface
8.1 Service Primitive Naming Convention
8.2 M-TX-DATA and M-RX-DATA SAP
8.2.1 M-LANE-SYMBOL.request
8.2.1.1 Semantics of the Service Primitive
8.2.1.2 When Generated
8.2.1.3 Effect on Receipt
8.2.2 M-LANE-SYMBOL.indication
8.2.2.1 Semantics of the Service Primitive
8.2.2.2 When Generated
8.2.2.3 Effect on Receipt
8.2.3 M-LANE-SYMBOL.confirm
8.2.3.1 Semantics of the Service Primitive
8.2.3.2 When Generated
8.2.3.3 Effect on Receipt
8.2.4 M-LANE-PREPARE.request
8.2.4.1 Semantics of the Service Primitive
8.2.4.2 When Generated
8.2.4.3 Effect on Receipt
8.2.5 M-LANE-PREPARE.indication
8.2.5.1 Semantics of the Service Primitive
8.2.5.2 When Generated
8.2.5.3 Effect on Receipt
8.2.6 M-LANE-PREPARE.confirm
8.2.6.1 Semantics of the Service Primitive
8.2.6.2 When Generated
8.2.6.3 Effect on Receipt
8.2.7 M-LANE-SYNC.request
8.2.7.1 Semantics of the Service Primitive
8.2.7.2 When Generated
8.2.7.3 Effect on Receipt
8.2.8 M-LANE-SYNC.confirm
8.2.8.1 Semantics of the Service Primitive
8.2.8.2 When Generated
8.2.8.3 Effect on Receipt
8.2.9 M-LANE-BurstEnd.request
8.2.9.1 Semantics of the Service Primitive
8.2.9.2 When Generated
8.2.9.3 Effect on Receipt
8.2.10 M-LANE-BurstEnd.indication
8.2.10.1 Semantics of the Service Primitive
8.2.10.2 When Generated
8.2.10.3 Effect on Receipt
8.2.11 M-LANE-BurstEnd.confirm
8.2.11.1 Semantics of the Service Primitive
8.2.11.2 When Generated
8.2.11.3 Effect on Receipt
8.2.12 M-LANE-HIBERN8Exit.indication
8.2.12.1 Semantics of the Service Primitive
8.2.12.2 When Generated
8.2.12.3 Effect on Receipt
8.2.13 M-LANE-SaveState.indication
8.2.13.1 Semantics of the Service Primitive
8.2.13.2 When Generated
8.2.13.3 Effect on Receipt
8.2.14 M-LANE-MRXSaveState.indication
8.2.14.1 Semantics of the Service Primitive
8.2.14.2 When Generated
8.2.14.3 Effect on Receipt
8.2.15 M-LANE-AdaptStart.request
8.2.15.1 Semantics of the Service Primitive
8.2.15.2 When Generated
8.2.15.3 Effect on Receipt
8.2.16 M-LANE-AdaptStart.confirm
8.2.16.1 Semantics of the Service Primitive
8.2.16.2 When Generated
8.2.16.3 Effect on Receipt
8.2.17 M-LANE-AdaptComplete.indication
8.2.17.1 Semantics of the Service Primitive
8.2.17.2 When Generated
8.2.17.3 Effect on Receipt
8.2.18 Sequence of Service Primitives
8.3 M-TX-CTRL SAP and M-RX-CTRL SAP
8.3.1 M-CTRL-CFGGET.request
8.3.1.1 Semantics of the Service Primitive
8.3.1.2 When Generated
8.3.1.3 Effect on Receipt
8.3.2 M-CTRL-CFGGET.confirm
8.3.2.1 Semantics of the Service Primitive
8.3.2.2 When Generated
8.3.2.3 Effect on Receipt
8.3.3 M-CTRL-CFGSET.request
8.3.3.1 Semantics of the Service Primitive
8.3.3.2 When Generated
8.3.3.3 Effect on Receipt
8.3.4 M-CTRL-CFGSET.confirm
8.3.4.1 Semantics of the Service Primitive
8.3.4.2 When Generated
8.3.4.3 Effect on Receipt
8.3.5 M-CTRL-CFGREADY.request
8.3.5.1 Semantics of the Service Primitive
8.3.5.2 When Generated
8.3.5.3 Effect on Receipt
8.3.6 M-CTRL-CFGREADY.confirm
8.3.6.1 Semantics of the Service Primitive
8.3.6.2 When Generated
8.3.6.3 Effect on Receipt
8.3.7 M-CTRL-RESET.request
8.3.7.1 Semantics of the Service Primitive
8.3.7.2 When Generated
8.3.7.3 Effect on Receipt
8.3.8 M-CTRL-RESET.confirm
8.3.8.1 Semantics of the Service Primitive
8.3.8.2 When Generated
8.3.8.3 Effect on Receipt
8.3.9 M-CTRL-LINERESET.request
8.3.9.1 Semantics of the Service Primitive
8.3.9.2 When Generated
8.3.9.3 Effect on Receipt
8.3.10 M-CTRL-LINERESET.indication
8.3.10.1 Semantics of the Service Primitive
8.3.10.2 When Generated
8.3.10.3 Effect on Receipt
8.3.11 M-CTRL-LINERESET.confirm
8.3.11.1 Semantics of the Service Primitive
8.3.11.2 When Generated
8.3.11.3 Effect on Receipt
8.3.12 M-CTRL-LCCReadStatus.indication
8.3.12.1 Semantics of the Service Primitive
8.3.12.2 When Generated
8.3.12.3 Effect on Receipt
8.3.13 Sequence of Service Primitives
8.4 M-TX and M-RX Attributes
Annex A Signaling Interface Description (normative)
A.1 One-Hot Coding of Control Symbols
A.2 The M-RX Signaling Interface
A.2.1 M-RX Signal Description
A.3 The M-TX Signaling Interface
A.3.1 M-TX Signal Description
A.4 Interface Usage Examples
A.4.1 Attribute Read from Effective Configuration
A.4.2 Attribute Write to Shadow Memory and Effective Configuration
A.4.3 Effective Configuration Single-step Update and Local RESET
A.4.4 Received LCC and LINE-RESET
A.4.5 HS Data Reception with 20-bit RX_Symbol Bus
A.4.6 TX_LineReset Behavior
A.4.7 HS Transmission on 20-bit TX_Symbol Bus with Data Throttled by Protocol Layer
A.4.8 HS Transmission on 20-bit TX_Symbol Bus with Data Throttled by M-TX
Annex B Recommended Test Functionality (informative)
B.1 Test Pattern Generation
B.1.1 General Transmitter Test Approach
B.1.2 Test Patterns
B.1.3 Signaling Type and Speed
B.1.4 Continuous vs. Burst Modes
B.1.5 Disconnect
B.1.6 Configuration
B.2 Test Pattern Verification
B.2.1 General Receiver Test Approach
B.2.2 Loopback Mode
B.2.2.1 Synchronous vs. Plesiochronous
B.2.3 Receiver Pattern Checking
B.2.4 Receiver Configuration – Termination
B.3 Interoperability Testing
Annex C SI Dithering (informative)
C.1 Dither Method
C.1.1 Dither Magnitude
Annex D Setting of Attributes Values (informative)
D.1 Attribute Pair Matching for MODULEs of a LANE
D.2 Attribute Values Changed with LANE Speed Setting
D.2.1 Intra-MODE GEAR Change
D.2.2 Inter-MODE Gear Change
D.3 Interpretation of Certain Attributes
D.3.1 TX_LCC_Enable
D.3.2 TX_PWM_BURST_Closure_Extension
D.3.3 M-TX and M-RX Polarity Control
Annex E Guidance for Protocols on Managing LANE-to-LANE Skew (informative)
Annex F Guidance for Protocols on Managing ADAPT Sub-State and RX Equalization (informative)
F.1 When to Use ADAPT
F.2 Detecting the Need for ADAPT
F.3 ADAPT Sequences in Lower HS-GEARS
01-Dec-2016
Specification for
M-PHY®
Version 4.1 – 01 December 2016
MIPI Board Adopted 28-Mar-2016
CAUTION TO IMPLEMENTERS
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.
Copyright © 2008-2017 MIPI Alliance, Inc.
All rights reserved.
Confidential
Specification for M-PHY
Version 4.1
01-Dec-2016
This page intentionally left blank.
Copyright © 2008-2017 MIPI Alliance, Inc.
All rights reserved.
Confidential
Introduction
1
1
2
Terminology
3
3 References
7
4 Architecture and Operation 9
5 Electrical Characteristics
51
6 Electrical Interconnect
(informative)
95
7 Optical Media Converter (OMC)
99
The Protocol Interface
8
115
A Signaling Interface Description
163
(normative)
B Recommended Test
Functionality (informative) 188
C SI Dithering (informative) 193
D Setting of Attributes Values
(informative)
195
E Guidance for Protocols on
Managing LANE-to-LANE
Skew (informative)
198
F Guidance for Protocols on
Managing ADAPT Sub-State
and RX Equalization
(informative)
203
Specification for
M-PHY®
Version 4.1
01 December 2016
MIPI Board Adopted 28-Mar-2016
Further technical changes to this document are expected as work continues in the
PHY Working Group.
Copyright © 2008-2017 MIPI Alliance, Inc.
All rights reserved.
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
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Attn: Board Secretary
ii
Copyright © 2008-2017 MIPI Alliance, Inc.
All rights reserved.
Confidential
Version 4.1
01-Dec-2016
Specification for M-PHY
4.1
4.2
4.3
4.4
4.5
1.1
1.2
2.1
2.2
2.3
4.2.1
4.2.2
Contents
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii
Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . x
Release History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xii
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1
Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2 Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Acronyms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4 Architecture and Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
PIN, LINE, LANE, SUB-LINK, LINK, and M-PORT. . . . . . . . . . . . . . . . . . . . . . . . . . 9
LINE States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Termination Scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Signal Amplitudes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Signaling Schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.3.1 Non-Return-to-Zero (NRZ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Pulse Width Modulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.3.2
Overview of Concept, Features, and Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
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
State Machines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
State Machine for a Type-I MODULE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
State Machine for a Type-II MODULE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
State Machine Structure and State Categories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
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
Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
4.8.1 Conceptual Configuration Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
4.8.2 Configuration Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Multiple LANE Provisions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Test Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
4.10.1 LOOPBACK Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
5 Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
M-TX Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
4.6.1
4.6.2
4.6.3
4.9
4.10
4.6
4.7
4.8
5.1
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01-Dec-2016
5.3
5.2
6.1
6.2
6.3
6.3.1
6.3.2
5.1.1 Common M-TX Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
5.1.2 HS-TX Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
PWM-TX Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
5.1.3
5.1.4
SYS-TX Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
M-RX Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
5.2.1 Common M-RX Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
5.2.2 HS-RX Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
5.2.3
PWM-RX Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
SYS-RX Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
5.2.4
SQ-RX Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
5.2.5
PIN Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
PIN Capacitance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
5.3.1
PIN Signal Voltage Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
5.3.2
5.3.3
PIN Leakage Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
5.3.4 Ground Shift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
PIN Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
5.3.5
6 Electrical Interconnect (informative). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Line Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Methodology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Methodology Guidance for Validating a LANE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Interconnect S-parameters Extraction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Simulation Environment Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
7 Optical Media Converter (OMC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Application Benefits of the OMC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Types of OMCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Internal and External OMCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
OMC – Architecture and Operations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
7.4.1 OMC – Data Transmission BURST Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
7.4.2 OMC – HS-BURST. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
7.4.3 OMC – DISABLED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
7.4.4 OMC – Transitional States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
OMC – Electrical and Interconnect. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
7.5.1 OMC – Galvanic Connection Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
7.5.2 OMC – Signal Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
7.5.3 OMC – HS-BURST Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
OMC Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
7.6.1 OMC Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
7.6.2
OMC – Configuration LCCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
OMC – M-PHY Conformance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
OMC – Test Methodology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
8 The Protocol Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Service Primitive Naming Convention . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
M-TX-DATA and M-RX-DATA SAP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
8.2.1 M-LANE-SYMBOL.request . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
8.2.2 M-LANE-SYMBOL.indication. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
8.2.3 M-LANE-SYMBOL.confirm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
8.2.4 M-LANE-PREPARE.request. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
8.1
8.2
iv
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Specification for M-PHY
8.2.5 M-LANE-PREPARE.indication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
8.2.6 M-LANE-PREPARE.confirm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
8.2.7 M-LANE-SYNC.request . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
8.2.8 M-LANE-SYNC.confirm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
8.2.9 M-LANE-BurstEnd.request. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
8.2.10 M-LANE-BurstEnd.indication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
8.2.11 M-LANE-BurstEnd.confirm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
8.2.12 M-LANE-HIBERN8Exit.indication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
8.2.13 M-LANE-SaveState.indication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
8.2.14 M-LANE-MRXSaveState.indication. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
8.2.15 M-LANE-AdaptStart.request. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
8.2.16 M-LANE-AdaptStart.confirm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
8.2.17 M-LANE-AdaptComplete.indication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
8.2.18 Sequence of Service Primitives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
M-TX-CTRL SAP and M-RX-CTRL SAP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
8.3.1 M-CTRL-CFGGET.request. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
8.3.2 M-CTRL-CFGGET.confirm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
8.3.3 M-CTRL-CFGSET.request . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
8.3.4 M-CTRL-CFGSET.confirm. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
8.3.5 M-CTRL-CFGREADY.request . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
8.3.6 M-CTRL-CFGREADY.confirm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
8.3.7 M-CTRL-RESET.request . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
8.3.8 M-CTRL-RESET.confirm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
8.3.9 M-CTRL-LINERESET.request . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
8.3.10 M-CTRL-LINERESET.indication. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
8.3.11 M-CTRL-LINERESET.confirm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
8.3.12 M-CTRL-LCCReadStatus.indication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
8.3.13 Sequence of Service Primitives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
M-TX and M-RX Attributes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Annex A Signaling Interface Description (normative) . . . . . . . . . . . . . . . . . . . . . . 163
One-Hot Coding of Control Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
The M-RX Signaling Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
A.2.1 M-RX Signal Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
The M-TX Signaling Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
A.3.1 M-TX Signal Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
Interface Usage Examples. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
A.4.1 Attribute Read from Effective Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
A.4.2 Attribute Write to Shadow Memory and Effective Configuration . . . . . . . . . . . . . 180
A.4.3 Effective Configuration Single-step Update and Local RESET . . . . . . . . . . . . . . . 180
A.4.4 Received LCC and LINE-RESET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
A.4.5 HS Data Reception with 20-bit RX_Symbol Bus . . . . . . . . . . . . . . . . . . . . . . . . . . 183
A.4.6 TX_LineReset Behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
A.4.7 HS Transmission on 20-bit TX_Symbol Bus with Data Throttled by Protocol Layer .
A.1
A.2
A.3
A.4
8.3
8.4
185
A.4.8 HS Transmission on 20-bit TX_Symbol Bus with Data Throttled by M-TX . . . . . 186
Annex B Recommended Test Functionality (informative) . . . . . . . . . . . . . . . . . . . 188
Test Pattern Generation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
B.1
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B.2
B.3
C.1
B.1.1 General Transmitter Test Approach . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
B.1.2 Test Patterns. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
B.1.3 Signaling Type and Speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
B.1.4 Continuous vs. Burst Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
B.1.5 Disconnect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
B.1.6 Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
Test Pattern Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
B.2.1 General Receiver Test Approach. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
B.2.2 Loopback Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
B.2.3 Receiver Pattern Checking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
B.2.4 Receiver Configuration – Termination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
Interoperability Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
Annex C SI Dithering (informative) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Dither Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
C.1.1 Dither Magnitude. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Annex D Setting of Attributes Values (informative) . . . . . . . . . . . . . . . . . . . . . . . . 195
Attribute Pair Matching for MODULEs of a LANE. . . . . . . . . . . . . . . . . . . . . . . . . . 195
Attribute Values Changed with LANE Speed Setting . . . . . . . . . . . . . . . . . . . . . . . . 196
Intra-MODE GEAR Change . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
Inter-MODE Gear Change. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
Interpretation of Certain Attributes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
D.3.1 TX_LCC_Enable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
D.3.2 TX_PWM_BURST_Closure_Extension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
D.3.3 M-TX and M-RX Polarity Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Annex E Guidance for Protocols on Managing LANE-to-LANE Skew (informative)
D.2.1
D.2.2
D.1
D.2
D.3
198
Annex F Guidance for Protocols on Managing ADAPT Sub-State and RX
Equalization (informative). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
When to Use ADAPT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
Detecting the Need for ADAPT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
ADAPT Sequences in Lower HS-GEARS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
F.1
F.2
F.3
vi
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