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S6A0071

Samsung semiconductor
Part Number S6A0071
Manufacturer Samsung semiconductor
Description 32COM/60SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD
Published Apr 7, 2005
Detailed Description 32COM/60SEG DRIVER & C O N T R O L L E R F O R D O T MATRIX LCD S6A0071 INTRODUCTION The S6A0071 is a dot matrix LCD c...
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S6A0071
S6A0071

Overview
32COM/60SEG DRIVER & C O N T R O L L E R F O R D O T MATRIX LCD S6A0071 INTRODUCTION The S6A0071 is a dot matrix LCD controller & driver LSI which is fabricated by low power CMOS technology.
It can display 1 line × 24 characters or 2 line × 24 characters with 5 × 7 dots format.
FUNCTION • • • • • • • • • Character type dot matrix single chip LCD controller & driver Internal driver: 32 common and 60 segment signal output Easy interface with 4-bit or 8-bit MPU Display character pattern: 5 × 7 dots format (240 kinds) The Special character pattern is programmable by character generator RAM directly.
A customer character pattern is programmable by mask option.
Various instruction functions Built-in automatic power on reset Driving method is B-type (frame inversion) FEATURES Internal Memory • • • Character Generator ROM (CGROM): 8,400 bits (240 characters × 5 × 7 dots) Character Generator RAM (CGRAM): 64 × 8 bits (8 characters × 5 × 8 dots) Display Data RAM (DDRAM): 80 × 8 bits ( 80 characters max.
) Low Power Operation • • Power supply voltage range (VDD): 2.
4 to 5.
5V LCD drive voltage range (VDD - V5): 3.
0 to 12.
0V Voltage doubler generates about double from signals power supply On chip generation of LCD supply voltage from voltage doubler (external supply also possible) Programmable duty cycle • • 1/16 duty: 1 line × 5 × 7 dots + cursor × 24 characters 1/32 duty: 2 lines × 5 × 7 dots + cursor × 24 characters Internal oscillator with an external resistor 118 TCP or bare chip available 1 S6A0071 32COM/60SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD BLOCK DIAGRAM VDD GND V1 V2 V3 V4 V5 Busy Flag Parallel/Serial Data Conversion Circuit 5 Character Generator ROM (CGROM) 8400 bits 8 5 Character Generator RAM (CGRAM) 512 bits 8 8 8 8 Instruction 8 Register (IR) 7 Address Counter (AC) 32-bit Shift Register Common 32 Driver COM1COM32 Instruction Decoder 7 Display Data RAM (DDRAM) 7 640 bits Cursor & Blink Controller Circuit R/W 8 RS E Input/ Output Buffer Data Regist...


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