KS0741 PRELIMINARY SPEC. VER. 1.2 128 SEG / 129 COM DRIVER & CONTROLLER FOR STN LCD
3
CO
NTENTS
INTRODUCTION ................................................................................................................................................. 1
FEATURES......................................................................................................................................................... 1
BLOCK DIAGRAM.............................................................................................................................................. 3
PAD CONFIGURATION ...................................................................................................................................... 4
PAD Center Coordinates ................................................................................................................................... 6
PIN DESCRIPTION ............................................................................................................................................. 6
POWER SUPPLY..........................................................................................................................................9
LCD DRIVER SUPPLY..................................................................................................................................9
SYSTEM CONTROL ...................................................................................................................................10
MICROPROCESSOR INTERFACE.............................................................................................................11
LCD DRIVER OUTPUTS.............................................................................................................................13
FUNCTIONAL DESCRIPTION........................................................................................................................... 14
MICROPROCESSOR INTERFACE.............................................................................................................14
DISPLAY DATA RAM (DDRAM)..................................................................................................................18
LCD DISPLAY CIRCUITS............................................................................................................................21
LCD DRIVER CIRCUIT ...............................................................................................................................26
POWER SUPPLY CIRCUITS ......................................................................................................................29
REFERECE CIRCUIT EXAMPLES..............................................................................................................34
RESET CIRCUIT.........................................................................................................................................36
INSTRUCTION DESCRIPTION.......................................................................................................................... 37
SPECIFICATIONS............................................................................................................................................. 60
ABSOLUTE MAXIMUM RATINGS...............................................................................................................60
DC CHARACTERISTICS.............................................................................................................................61
AC CHARACTERISTICS.............................................................................................................................64
REFERENCE APPLICATIONS.......................................................................................................................... 68
MICROPROCESSOR INTERFACE.............................................................................................................68
CONNECTIONS BETWEEN KS0741 AND LCD PANEL..............................................................................70