68COM/98SEG 65K Color STN LCD Drivers

www.DataSheet4U.com EM65570S 68COM/98SEG 65K Color STN LCD Drivers Product Specification DOC. VERSION 1.0 ELAN MICROELECTRONICS CORP. April 2006 Trademark Acknowledgments: IBM is a registered trademark and PS/2 is a trademark of IBM. Windows is a trademark of Microsoft Corporation. ELAN and ELAN logo are trademarks of ELAN Microelectronics Corporation. Copyright © 2006 by ELAN Microelectronics Corporation All Rights Reserved Printed in Taiwan The contents of this specification are subject to change without further notice. ELAN Microelectronics assumes no responsibility concerning the accuracy, adequacy, or completeness of this specification. ELAN Microelectronics makes no commitment to update, or to keep current the information and material contained in this specification. Such information and material may change to conform to each confirmed order. In no event shall ELAN Microelectronics be made responsible for any claims attributed to errors, omissions, or other inaccuracies in the information or material contained in this specification. ELAN Microelectronics shall not be liable for direct, indirect, special incidental, or consequential damages arising from the use of such information or material. The software (if any) described in this specification is furnished under a license or nondisclosure agreement, and may be used or copied only in accordance with the terms of such agreement. ELAN Microelectronics products are not intended for use in life support appliances, devices, or systems. Use of ELAN Microelectronics product in such applications is not supported and is prohibited. NO PART OF THIS SPECIFICATION MAY BE REPRODUCED OR TRANSMITTED IN ANY FORM OR BY ANY MEANS WITHOUT THE EXPRESSED WRITTEN PERMISSION OF ELAN MICROELECTRONICS. ELAN MICROELECTRONICS CORPORATION Headquarters: No. 12, Innovation Road 1 Hsinchu Science Park Hsinchu, TAIWAN 30077 Tel: +886 3 563-9977 Fax: +886 3 563-9966 http://www.emc.com.tw Hong Kong: Elan (HK) Microelectronics Corporation, Ltd. Rm. 1005B, 10/F Empire Centre 68 Mody Road, Tsimshatsui Kowloon , HONG KONG Tel: +852 2723-3376 Fax: +852 2723-7780 elanhk@emc.com.hk Shenzhen: Elan Microelectronics Shenzhen, Ltd. SSMEC Bldg., 3F, Gaoxin S. Ave. Shenzhen Hi-Tech Industrial Park Shenzhen, Guandong, CHINA Tel: +86 755 2601-0565 Fax: +86 755 2601-0500 USA: Elan Information Technology Group (U.S.A.) 1821 Saratoga Ave., Suite 250 Saratoga, CA 95070 USA Tel: +1 408 366-8225 Fax: +1 408 366-8220 Europe: Elan Microelectronics Corp. (Europe) Siewerdtstrasse 105 8050 Zurich, SWITZERLAND Tel: +41 43 299-4060 Fax: +41 43 299-4079 http://www.elan-europe.com Shanghai: Elan Microelectronics Shanghai , Ltd. 23/Bldg. #115 Lane 572, Bibo Road Zhangjiang Hi-Tech Park Shanghai, CHINA Tel: +86 21 5080-3866 Fax: +86 21 5080-4600 Contents Contents 1 2 3 4 5 6 General Description .................................................................................................. 1 Feature ....................................................................................................................... 1 Applications............................................................................................................... 2 Pin Configuration ...................................................................................................... 3 Functional Block Diagram...................................................................................... 13 5.1 System Block Diagram ..................................................................................... 13 Pin Descriptions...................................................................................................... 14 6.1 6.2 6.3 6.4 7 Power Supply Pins ........................................................................................... 14 LCD Power Supply Circuit Pins........................................................................ 14 System Bus Pins .............................................................................................. 15 LCD Drive Circuit Signals................................................................................. 16 6.5 Oscillating Circuit Pin ....................................................................................... 16 Function Description .............................................................................................. 17 7.1 MPU Interface .................................................................................................. 17 7.1.1 7.1.2 7.1.3 7.1.4 7.1.5 7.1.6 7.1.7 Reset Pin Description (RESB) ..........................................................................17 Interface Type Selection....................................................................................17 Parallel Input .....................................................................................................17 Read/Write functions of Register and display RAM ..........................................17 Serial Interface ..................................................................................................18 4-wire Serial Interface .......................................................................................18 3-wire Type Serial Interface...............................................................................18 7.2 7.3 7.4 7.5 7.6 7.7 7.8 Data Write to Display RAM and Control Register............................................. 19 Display RAM Read and Control Register Read ............................................... 19 16-bit Data Access to Display RAM.................................................................. 20 Fast Burst RAM Write Function ........................................................................ 21 Common Output Mode Selection ..................................................................... 21 Display RAM Access Using Windows Function................................................ 22 Relationship between Display RAM and Address ............................................ 23 7.8.1 7.8.2 7.8.3 Gradation Mode (256 Color), (C256=1, 65K=0)................................................23 Gradation Mode (4096 colors), (C256=0, 65K=0).............................................24 Gradation mode (65K Color), (C256=0, 65K=1) ...............................................26 7.9 Display Data Structure and Gradation Control ................................................. 27 7.10 Gradation LSB Control .................................................................................... 27 7.11 Generation of the Alternate Signal (M) ............................................................ 27 7.12 Output Timing of LCD Driver ........................................................................... 28 7.13 Oscillating Circuit............................................................................................. 28 7.14 Power Supply Circuit ....................................................................................... 29 7.15 Booster Circuit................................................................................................. 29 Product Specification (V1.0) 04.18.2006 • iii Contents 7.16 Electronic Volume............................................................................................ 29 7.17 Voltage Generation Circuit .............................................................................. 30 7.18 2-D Graphic Acceleration Engine .................................................................... 31 7.19 OTP Function .................................................................................................. 36 7.20 Partial Display Function................................................................................... 38 7.21 Discharge Circuit ............................................................................................. 39 7.22 Scroll Function................................................................................................. 39 7.23 Initialization...................................................................................................... 44 7.24 Precaution when Setting Power ON and Power OFF ..................................... 44 7.24.1 When Using the Built-in Power Supply .............................................................44 7.24.2 Power Supply Rising Time ................................................................................45 7.25 Example of Registers Setting .......................................................................... 45 7.25.1 Initialization........................................................................................................45 7.25.2 Display Data ......................................................................................................46 7.25.3 Power OFF ........................................................................................................46 8 Control Registers .................................................................................................... 47 8.1 8.2 Control Register ............................................................................................... 47 Control Registers Functions ............................................................................. 53 8.2.1 8.2.2 8.2.3 8.2.4 8.2.5 8.2.8 8.2.9 8.2.10 8.2.11 8.2.12 8.2.13 8.2.14 8.2.15 8.2.16 8.2.17 8.2.18 8.2.19 8.2.20 8.2.21 8.2.22 8.2.23 8.2.24 8.2.25 8.2.26 8.2.27 8.2.28 X Address Register (AX) ...................................................................................53 Y Address Register (AY)....................................................................................53 n Line Alternate Register (N).............................................................................54 Display Control (1) Register ..............................................................................55 Display Control (2) Register ...............................................................