128COM/160SEG 16 Gray Scale Level LCD Driver

www.DataSheet4U.com EM65101 128COM/160SEG 16 Gray Scale Level LCD Driver Product Specification DOC. VERSION 0.4 ELAN MICROELECTRONICS CORP. August 2005 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 © 2005 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 1821 Saratoga Ave., Suite 250 Saratoga, CA 95070 USA Tel: +1 408 366-8223 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 Corporation, Ltd. 23/Bldg. #115 Lane 572, Bibo Road Zhangjiang Hi-Tech Park Shanghai, CHINA Tel: +86 021 5080-3866 Fax: +86 021 5080-4600 Contents Contents 1 2 3 4 General Description ...................................................................................... 1 Feature ........................................................................................................... 1 Applications ................................................................................................... 2 Pin Configurations ........................................................................................ 2 4.1 4.2 4.3 4.3 Alignment Key .................................................................................................... 2 Pin Dimensions .................................................................................................. 3 Recommended COG ITO Traces Resistor ......................................................... 3 PAD Coordinates Table ...................................................................................... 4 5 6 Functional Block Diagram ............................................................................ 9 Pin Description ............................................................................................ 10 6.1 6.2 6.3 6.4 6.5 6.6 Power Supply Pins ........................................................................................... 10 LCD Power Supply Circuit Pins........................................................................ 10 System Bus Pins .............................................................................................. 11 LCD Driver Circuit Signals................................................................................ 12 Oscillating Circuit Pins...................................................................................... 12 EEPROM Power Pins....................................................................................... 12 MPU Interface .................................................................................................. 13 7.1.1 7.1.2 7.1.3 7.1.4 7.1.5 Reset Pin Description (RESB) ..........................................................................13 Selection of Interface Type................................................................................13 Parallel Input .....................................................................................................13 Read/Write Functions of the Register and Display RAM ..................................13 Serial Interface ..................................................................................................14 7.1.5.1 4-Wire Serial Interface........................................................................14 7.1.5.2 3-Wire Serial Interface........................................................................14 Writing Data Operation......................................................................................15 Writing Data to Display RAM Data ....................................................................16 Y Address Circuit...............................................................................................16 X Address Circuit...............................................................................................16 EM65101 Display RAM Mapping ......................................................................18 Read Display RAM Operation ...........................................................................19 Register Read Operation ..................................................................................19 7 Functional Description................................................................................ 13 7.1 7.2 Writing Data to Display RAM and Control Register .......................................... 15 7.2.1 7.2.2 7.3 Y and X Address Circuits.................................................................................. 16 7.3.1 7.3.2 7.3.3 7.4 Internal Register Read ..................................................................................... 19 7.4.1 7.4.2 7.4 7.5 Display RAM Access Using Window Function ................................................. 20 Display RAM Data and LCD ............................................................................. 20 • iii Product Specification (V0.4) 08.15.2005 Contents 7.6 Display Timing Circuit....................................................................................... 21 7.6.1 7.6.2 7.6.3 Signal Generation for the Display Line Counter and the Display Data Latching Circuit ......................................................................21 Generation of the Alternate Signal M (Internal) and the Synchronous Signal FLM (Internal).............................................................21 Display Data Latching Circuit ............................................................................21 LCD Drive Circuit...............................................................................................22 Oscillator Circuit ................................................................................................22 7.7 LCD Driver Output Timing ................................................................................ 22 7.7.1 7.7.2 7.8 7.9 Power Supply Circuit ........................................................................................ 23 Booster Circuit.................................................................................................. 23 7.10 Electronic Volume............................................................................................. 24 7.11 Voltage Regulator............................................................................................. 25 7.12 Voltage Generation Circuit ............................................................................... 25 7.13 EEPROM Function ........................................................................................... 27 7.13.1 EEPROM Program, Read, and Erase Flow Charts ..........................................28 7.13.2 Vop Calibration Offset Examples ......................................................................30 7.14 Partial Display Function.................................................................................... 33 7.15 Discharge Circuit .............................................................................................. 34 7.16 Scroll Function.................................................................................................. 34 7.17 Initial Values ..................................................................................................... 37 7.18 Safety Measures when Switching Power ON and OFF.................................... 37 7.18.1 When Using the External Power Supply ............................................................37 7.18.2 When Using the Built-in Power Supply ..............................................................38 7.18.3 Power Supply Rising Time .................................................................................38 7.19 Register Setting Examples ............................................................................... 39 7.19.1 Initialization ..........................................