= &nb= sp; E-EDID EEPROM ä

VESA=

Video Elec= tronics Standards Association

860 Hillview Court, Suite 150 = ; &n= bsp; = ; &n= bsp; = ; Phone: (408) 957-9270

Milpitas, CA 95035 = ; &n= bsp; = ; &n= bsp; = ; &n= bsp; Fax: (408) 957-9277

VESA E-EDID EEPROM STANDARD

Version 1

October 28, 2002

Purpose

This document describes the requirements for a specialized EEPROM. This EEPROM is specifically design= ed to implement the requirements of the VESA E-EDID, E-DDC, DI-EXT, and M1 specifications.

Summary

The described EEPROM is designed to make implementing E-EDID, E-DDC, DI-EXT, an= d M1 on Plug-and-Play enabled displays cheaper, easier, faster, and more reliabl= e.

Intellectual Property

While every precaution has been taken in the preparati= on of this standard, the Video Electronics Standards Association and its contribu= tors assume no responsibility for errors or omissions, and make no warranties, expressed or implied, of functionality or suitability for any purpose.

Trademarks

All trademarks used within this document are the prope= rty of their respective owners. VESA, DDC and EDID are trademarks of the Video Electronics Standard Association.

I²C is a trademark owned by Philips.

Patents

VESA proposals and standards are adopted by the Video Electronics Standards Association without regard as to whether their adopti= on may involve any patents or articles, materials, or processes. Such adoption does not assume any liability to any patent owner, nor does it assume any obligation whatsoever to parties adopting the proposals or standards docume= nts.

Support for this Standard

Clarifications and application notes to support this standard may be written. To obtain the latest standard and any support documentation, contact VESA.

If you have a product, which incorporates an E-EDID EE= PROM, you should ask the company that manufactured your product for assistance. If you are a manufacturer, VESA can assist you with any clarification you may require. All comments or reported errors should be submitted in writing to = VESA using one of the following methods.

Fax: 408-957-9277, direct this note to Technical Support at VESA

Email: su= pport@vesa.org

Mail: Technical Support

VESA

860 Hillview Court, Suite 150

Milpitas, CA 95035

&nbs= p; &= nbsp;

Revision History

This document would not have been possible without the efforts of the VESA Display Committee. In particular, the following individ= uals and their companies contributed significant time and knowledge to this edit= ion, and/or previous editions of the EDID document.

Related VESA documents

VESA Enhanced Exten= ded Display Identification Data Standard (E-EDID) = – Release A= , Revision 1, Feb 9, 2000

VESA Enhanced Display Data Channel Standard (= E-DDC) Version 1.0 - Sept. 2, 1999

VESA Display = Information Extension Block Standard (DI-EXT) = – Release A= , Aug 21, 2001

VESA M1 Display Interface System Standard = 211; Version 1.0, Aug 16, 2001

VESA Display Data Channel Standard (DDC) Vers= ion 3 - Dec.15, 1997

Table of Contents

Intellectual Property..........................................= ..................................................................... 2

Trademarks...................................................................= ............................................................ 2

Patents................= ...........................................................................= ............................................. 2

Support for this Standard PAGEREF _Toc24170390 \h 2

Revision Histo= ry..........................................= .......................................................................... = 3

Related VESA document= s.= ...........................................................................= ......................... 3=

1.&nb= sp; Overview.................................................................= ....................................................... 5

1.1 Pin Description= .= ...........................................................................= .................................. 5=

1.2 Description.= ...........................................................................= ......................................... 5=

1.3 Device Addressi= ng.= ...........................................................................= ........................... 7=

1.4 Display Interfa= ce.= ...........................................................................= ............................ 9=

1.5 Arbitration.= ...........................................................................= ...................................... 10=

1.6 Configuration Register Definition..........................................= ......................... 11=

1.6.1 = Function Description:..........................................= ........................................................... 11

1.7 Absolute Maximum Ratings.................................................................= ................. 12=

1.8 &nbs= p; Recommended Op= erating Conditions................................................................ = 12=

1.9 D.C. Characteristics..........................................= ....................................................... 12=

1.10 AC Characteristics.= ...........................................................................= ....................... 13=

1.11 Packaging.= ...........................................................................= ......................................... 14=

List of Figures

Figure 1‑1 --- Device Pinout 5

Figure 1-2 --- = Typical Application ........................= ...........................................................................= 7

Figure 1‑3 --- Random Address Read (Segment 0= only) = 8

Figure 1‑4 --- Sequential Read (Segment 0 onl= y) = 9

Figure 1‑5 --- Byte Read From Any Location. 9

Figure 1‑6 --- SO8 Package Option. 14

Figure 1‑7 --- TSSOP8 Package Option. 15

List of Tables

Table 1‑1 --- Pin Description.................................................................= ........................................... 5

Table 1‑2= --- Configuration Register (62/63H) PAGEREF _Toc23673513 \h 11

Table 1-3 --- Configuration Register Truth Table.................................................................= ........... 11

Table 1‑4= --- DC Characteristics..............= ...........................................................................= ............ 12