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KS0074

Samsung semiconductor
Part Number KS0074
Manufacturer Samsung semiconductor
Description 34COM/80SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD
Published Oct 11, 2005
Detailed Description KS0074 34COM/80SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD INTRODUCTION KS0074 is a dot matrix LCD driver & controller ...
Datasheet PDF File KS0074 PDF File

KS0074
KS0074

Overview
KS0074 34COM/80SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD INTRODUCTION KS0074 is a dot matrix LCD driver & controller LSI which is fabricated by low power CMOS technology.
It can display 1, 2, or 4 lines with 5 x 8 or 6 x 8 dots format.
FUNCTIONS             Character type dot matrix LCD driver & controller Internal driver : 34 common and 80 segment signal output Easy interface with 4-bit or 8-bit MPU Clock synchronized serial Interface 5 x 8 dot matrix possible 6 x 8 dot matrix possible Bi-directional shift function All character reverse display Display shift per line Voltage converter for LCD drive voltage : 13 V max (2 times / 3 times) Various instruction functions Automatic power on reset FEATURES  Internal Memory - Character Generator ROM (CGROM) : 9,600 bits (240 characters x 5 x 8 dot) - Character Generator RAM (CGRAM) : 64 x 8 bits (8 characters x 5 x 8 dot) - Segment Icon RAM (SEGRAM) : 16 x 8 bits (96 icons max.
) - Display Data RAM (DDRAM) : 80 x 8 bits (80 characters max.
)  Low power operation - Power supply voltage range : 2.
7  5.
5 V (VDD) - LCD Drive voltage range : 3.
0  13.
0 V (VDD - V5)  CMOS process  Programmable duty cycle : 1/17, 1/33 (refer to Table 1.
)  Internal oscillator with an external resistor  Low power consumption  Bare chip available KS0074 34COM/80SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD Table 1.
Programmable duty cycles 5-dot font width Display Line Numbers 1 2 4 1/17 1/33 1/33 Duty Ratio Single-chip Operation Displayable characters 1 line of 32 characters 2 lines of 32 characters 4 lines of 16 characters Possible icons 80 80 80 6-dot font width Display Line Numbers 1 2 4 1/17 1/33 1/33 Duty Ratio Single-chip Operation Displayable characters 1 line of 26 characters 2 lines of 26 characters 4 lines of 13 characters Possible icons 78 78 78 KS0074 34COM/80SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD BLOCK DIAGRAM $ & /    +.
   + $$    $ 27 8      ...


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