GB/T 42209-2022 English PDF

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GB/T 42209-2022: Point to Point(P2P) signal interface for liquid crystal display panels - Transport protocols
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 42209-2022	1279	Add to Cart	8 days	Point to Point(P2P) signal interface for liquid crystal display panels - Transport protocols	Valid

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SJ/T 11141   SJ/T 11281   GB/T 18910.2   GB/T 42210   GB/T 38001.11   

Basic data

Standard ID: GB/T 42209-2022 (GB/T42209-2022)
Description (Translated English): Point to Point(P2P) signal interface for liquid crystal display panels - Transport protocols
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: L47
Classification of International Standard: 31.120
Word Count Estimation: 63,673
Date of Issue: 2022-12-30
Date of Implementation: 2023-07-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 42209-2022: Point to Point(P2P) signal interface for liquid crystal display panels - Transport protocols

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 31.120 CCSL47 National Standards of People's Republic of China Point-to-point (P2P) signal interface for LCD Transfer Protocol Transport protocols 2023-07-01 implementation State Administration for Market Regulation Released by the National Standardization Management Committee

table of contents

Preface III Introduction IV 1 Scope 1 2 Normative references 1 3 Terms, Definitions, Symbols, Units and Abbreviations 1 3.1 Terms, Definitions, Symbols and Units 1 3.2 Abbreviations 1 4 Transmission Protocol Scheme 1 2 4.1 Overview 2 4.2 Sender protocol 4 4.3 Receiver protocol 5 4.4 Two-way command channel protocol 6 4.5 Packet 11 4.6 Displaying the data map of a packet 18 4.7 Display system parameter setting 26 4.8 Clock Calibration 26 4.9 8-bit/10-bit codec 28 4.10 Data scrambling 30 5 Transmission Protocol Scheme II 30 5.1 Overview 30 5.2 Sender protocol 32 5.3 Receiver protocol 33 5.4 Packets 33 5.5 Displaying the data map of a packet 37 5.6 Display system parameter setting 40 5.7 Clock Calibration 41 5.8 8-bit/9-bit codec 41 5.9 Data Scrambling 43 Appendix A (Normative) Transmission Protocol Scheme 1 --- Working State Transition at the Sending End 44 Appendix B (Normative) Transmission Protocol Scheme 1---Working State Transition at the Receiver 45 Appendix C (informative) Transmission protocol scheme one --- 8-bit/10-bit scrambling polynomial 46 Appendix D (Informative) Transmission Protocol Scheme II --- 8-bit/9-bit Encoding Table 50 Appendix E (informative) Transmission protocol scheme two --- 8-bit/9-bit scrambling polynomial 54

foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules for Standardization Documents" drafting. This document is proposed by the Ministry of Industry and Information Technology of the People's Republic of China. This document is under the jurisdiction of the National Standardization Technical Committee of Electronic Display Devices (SAC/TC547). This document is drafted by. BOE Technology Group Co., Ltd., Beijing BOE Display Technology Co., Ltd., TCL CSOT Technology Co., Ltd., Shanghai Hisilicon Technology Co., Ltd., China Electronics Standardization Research Institute, Nanjing Huadong Electronic Information Technology Co., Ltd. company. The main drafters of this document. Zhang Zhigang, Chen Ming, Dunshengbao, Duan Xin, Li Xinguo, Shao Xibin, Zhao Bin, Huang Weidong, Cao Dan, Gan Xialin, Guo Chunlei, Ji Liming, Zhao Ying, Gu Baohua.

Introduction

The issuer of this document draws attention to the following patents related to codec and scrambling when declaring compliance with this document. use. Patent Application Number Patent Name Patent Holder 201810979269.7 Encoding method, device and display device BOE Technology Group Co., Ltd. 201710434609.3 Encoding method and device, decoding method and device, and display device BOE Technology Group Co., Ltd. Beijing BOE Display Technology Co., Ltd. 201710434373.3 Drive control method, component and display device BOE Technology Group Co., Ltd. Beijing BOE Display Technology Co., Ltd. 201710433781.7 Drive control method, component and display device BOE Technology Group Co., Ltd. Beijing BOE Display Technology Co., Ltd. 201710433373.1 Data transmission method, component and display device BOE Technology Group Co., Ltd. Beijing BOE Display Technology Co., Ltd. 201710433272.4 Signal transmission method, sending unit, receiving unit and display device BOE Technology Group Co., Ltd. Beijing BOE Display Technology Co., Ltd. 201710434370.X Signal transmission method, sending unit, receiving unit and display device BOE Technology Group Co., Ltd. Beijing BOE Display Technology Co., Ltd. 201810539200.2 Encoding method, equipment and readable storage medium Shenzhen Huaxing Optoelectronics Technology Co., Ltd. 201810450416.1 Coding method, equipment and readable storage medium Shenzhen Huaxing Optoelectronics Technology Co., Ltd. 201810602094.8 Scrambling method, equipment and readable storage medium Shenzhen Huaxing Optoelectronics Technology Co., Ltd. 201810619509.2 Descrambling method, device and readable storage medium Shenzhen Huaxing Optoelectronics Technology Co., Ltd. 201810539654.X Decoding method, device and readable storage medium Shenzhen Huaxing Optoelectronics Technology Co., Ltd. The issuing authority of this document has no position regarding the veracity, validity and scope of this patent. The patent holder has committed to the issuing authority of this document that he is willing to cooperate with any applicant on reasonable and non-discriminatory terms and conditions, Negotiate patent licenses. The patent holder's statement is on file with the issuing authority of this document. Relevant information can be found through the following Get in touch. Patent holders. BOE Technology Group Co., Ltd., Beijing BOE Display Technology Co., Ltd. Address. No. 12, Xihuan Middle Road, Beijing Economic and Technological Development Zone. Zip code. 100176. Contact. Su Jing, Tel. 010-60965821, Email. sujing@boe.com.cn. Patent holder. Shenzhen Huaxing Optoelectronics Technology Co., Ltd. Address. No. 9-2, Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province. Contact. Jiapei, Tel. 0755-86907230, Email. jiapei@tcl.com. Please note that in addition to the above patents, some content of this document may still involve patents. The issuer of this document is not responsible for identifying patents responsibility. Point-to-point (P2P) signal interface for LCD Transfer Protocol

1 Scope

This document specifies the transmission protocol of the point-to-point (P2P) signal interface for liquid crystal display, including the sending end protocol, receiving end protocol, data Data packets, clock calibration, etc. Two transport protocol schemes are specified in this document. ---Transmission protocol scheme 1.8-bit/10-bit codec transmission protocol; ---Transmission protocol scheme two. 8-bit/9-bit codec transmission protocol. This document is applicable to the point-to-point signal communication interface between the timing controller for liquid crystal display and the source driver chip.

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document. GB/T 18910.11-2012 Liquid crystal display devices Part 1-1.Terms and symbols 3 Terms, Definitions, Symbols, Units and Abbreviations 3.1 Terms, Definitions, Symbols and Units The terms, definitions, symbols and units defined in GB/T 18910.11-2012 apply to this document. 3.2 Abbreviations The following abbreviations apply to this document. ALN. alignment or alignment (Alignment) BC. Broadcast BPC. BitnumberPerColor CE. End command (CommandEnd) CMD. command (Command) CS. Header command (CommandStart) CT. Clock calibration signal (ClockTraining) FBD. Return data (FeedbackData) IA. ID assignment (IDAssignment) ......

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