
64 SEG / 26 COM DRIVER & CONTROLLER FOR STN LCD
S6A0090
3
CONTENTS
INTRODUCTION ................................................................................................................................................. 1
FEATURES......................................................................................................................................................... 1
BLOCK DIAGRAM.............................................................................................................................................. 3
PAD CONFIGURATION ...................................................................................................................................... 4
PAD CENTER COORDINATES........................................................................................................................... 5
PIN DESCRIPTION ............................................................................................................................................. 7
POWER SUPPLY..........................................................................................................................................7
LCD DRIVER SUPPLY..................................................................................................................................7
SYSTEM CONTROL .....................................................................................................................................8
MPU INTERFACE.........................................................................................................................................8
LCD DRIVER OUTPUTS (DYNAMIC)............................................................................................................9
LCD DRIVER OUTPUTS (STATIC) ...............................................................................................................9
FUNCTION DESCRIPTION ............................................................................................................................... 10
SYSTEM INTERFACE.................................................................................................................................10
ADDRESS COUNTER (AC).........................................................................................................................14
DISPLAY DATA RAM (DDRAM)..................................................................................................................14
CHARACTER GENERATOR ROM (CGROM) .............................................................................................15
CHARACTER GENERATOR RAM (CGRAM)..............................................................................................16
SEGMENT ICON RAM (ICONRAM) ............................................................................................................17
STATIC ICON RAM (SI) ..............................................................................................................................18
SEGMENTS FOR SIGNAL DISPLAY (FS)...................................................................................................18
LOW POWER CONSUMPTION MODE.......................................................................................................19
LCD DRIVER CIRCUIT ...............................................................................................................................19
INSTRUCTION DESCRIPTION.......................................................................................................................... 20
INITIALIZING & POWER SAVE MODE SETUP................................................................................................. 26
HARDWARE RESET...................................................................................................................................26
INITIALIZING AND POWER SAVE MODE SETUP......................................................................................27
LCD DRIVING POWER SUPPLY CIRCUIT ....................................................................................................... 30
VOLTAGE CONVERTER ............................................................................................................................31
VOLTAGE REGULATOR.............................................................................................................................32
VOLTAGE GENERATOR CIRCUIT.............................................................................................................35
REFERENCE APPLICATIONS.......................................................................................................................... 36
MPU INTERFACE.......................................................................................................................................36
APPLICATION INFORMATION FOR LCD PANEL.......................................................................................38
FRAME FREQUENCY.................................................................................................................................42
MAXIMUM ABSOLUTE RATINGS .................................................................................................................... 43
ELECTRICAL CHARACTERISTICS.................................................................................................................. 44
DC CHARACTERISTICS.............................................................................................................................44
AC CHARACTERISTICS.............................................................................................................................47