KS0093
26 COM / 80 SEG DRIVER & CONTROLLER FOR STN LCD
Nov. 1999. Ver. 0.4
Prepared by: Won-Sik, Kang
[email protected] Contents in this document are subject to change without notice. No part of this document may be reproduced or transmitted in any form or by any means, electronic or mechanical, for any purpose, without the express written permission of LCD Driver IC Team.
26 COM / 80 SEG DRIVER & CONTROLLER FOR STN LCD
KS0093
KS0093 Specification Revision History Version 0.0 0.1 0.2 0.3 0.4 Content Original Miss typed contents changed RESETB pin VIL,VIH added VDD change (2.4V~5.5V -> 2.4V~3.6V) VDD change (2.4V~3.6V -> 2.4V~5.5V) Date Jun.1998 Jan.1999 Mar.1999 Nov.1999 Dec.1999
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KS0093
26 COM / 80 SEG DRIVER & CONTROLLER FOR STN LCD
CONTENTS
INTRODUCTION.......................................................................................................................................... 1 FEATURES ................................................................................................................................................. 1 BLOCK DIAGRAM ...................................................................................................................................... 3 PAD CONFIGURATION............................................................................................................................... 4 PAD CENTER COORDINATES ................................................................................................................... 5 PIN DESCRIPTION...................................................................................................................................... 6 POWER SUPPLY ................................................................................................................................. 6 LCD DRIVER SUPPLY ......................................................................................................................... 6 SYSTEM CONTROL............................................................................................................................. 7 MPU INTERFACE ................................................................................................................................ 7 LCD DRIVER OUTPUTS ...................................................................................................................... 8 TEST .................................................................................................................................................... 8 FUNCTION DESCRIPTION.......................................................................................................................... 9 SYSTEM INTERFACE.......................................................................................................................... 9 ADDRESS COUNTER (AC)................................................................................................................ 13 DISPLAY DATA RAM (DDRAM) ......................................................................................................... 13 CHARACTER GENERATOR ROM (CGROM)..................................................................................... 13 CHARACTER GENERATOR RAM (CGRAM) ..................................................................................... 15 SEGMENT ICON RAM (ICONRAM).................................................................................................... 17 LOW POWER CONSUMPTION MODE .............................................................................................. 18 LCD DRIVER CIRCUIT....................................................................................................................... 18 INSTRUCTION DESCRIPTION.................................................................................................................. 19 INITIALIZING & POWER SAVE MODE SETUP......................................................................................... 29 HARDWARE RESET .......................................................................................................................... 29 INITIALIZING AND POWER SAVE SETUP......................................................................................... 30 LCD DRIVING POWER SUPPLY CIRCUIT................................................................................................ 33 VOLTAGE CONVERTER.................................................................................................................... 34 VOLTAGE REGULATOR.................................................................................................................... 35 ELECTRONIC CONTRAST CONTROL (32 STEPS) ........................................................................... 36 VOLTAGE GENERATOR CIRCUIT .................................................................................................... 38 MPU INTERFACE....................................................................