
KS0724 PRELIMINARY SPEC. VER. 0.8 65 COM / 132 SEG DRIVER & CONTROLLER FOR STN LCD
3
CO
NTENTS
INTRODUCTION ..................................................................................................................................................1
FEATURES..........................................................................................................................................................1
BLOCK DIAGRAM...............................................................................................................................................3
PAD CONFIGURATION .......................................................................................................................................4
PAD CENTER COORDINATES............................................................................................................................5
PIN DESCRIPTION ..............................................................................................................................................8
POWER SUPPLY..........................................................................................................................................8
LCD DRIVER SUPPLY..................................................................................................................................8
SYSTEM CONTROL .....................................................................................................................................9
MICROPROCESSOR INTERFACE.............................................................................................................11
LCD DRIVER OUTPUTS.............................................................................................................................13
FUNCTIONAL DESCRIPTION............................................................................................................................14
MICROPROCESSOR INTERFACE.............................................................................................................14
DISPLAY DATA RAM (DDRAM)..................................................................................................................17
LCD DISPLAY CIRCUITS............................................................................................................................20
LCD DRIVER CIRCUIT ...............................................................................................................................22
POWER SUPPLY CIRCUITS ......................................................................................................................23
REFERENCE CIRCUIT EXAMPLES ...........................................................................................................30
RESET CIRCUIT.........................................................................................................................................32
INSTRUCTION DESCRIPTION...........................................................................................................................33
SPECIFICATIONS..............................................................................................................................................48
ABSOLUTE MAXIMUM RATINGS...............................................................................................................48
DC CHARACTERISTICS.............................................................................................................................49
AC CHARACTERISTICS.............................................................................................................................52
REFERENCE APPLICATIONS...........................................................................................................................56
MICROPROCESSOR INTERFACE.............................................................................................................56
CONNECTIONS BETWEEN KS0724 AND LCD PANEL..............................................................................57