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S6A0074

Samsung semiconductor
Part Number S6A0074
Manufacturer Samsung semiconductor
Description 34COM/80SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD
Published Apr 7, 2005
Detailed Description 34COM/80SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD S6A0074 INTRODUCTION S6A0074 is a dot matrix LCD driver & controlle...
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S6A0074
S6A0074

Overview
34COM/80SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD S6A0074 INTRODUCTION S6A0074 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 dots matrix possible 6 x 8 dots matrix possible Bi-directional shift function All character reverse display Display shift per line Voltage converter for LCD drive voltage: 13V 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.
5V (VDD) - LCD Drive voltage range: 3.
0 - 13.
0V (VDD - V5) CMOS process Programmable duty cycle: 1/17, 1/33 Internal oscillator with an external resistor Low power consumption Bare chip available • • • • • • 1 S6A0074 34COM/80SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD 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 2 34COM/80SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD S6A0074 BLOCK DIAGRAM IE OSC1 OSC2 Power on Reset (POR) RESET IM RS/CS E/SCLK RW/SID System Interface Serial 4-bit 8-bit 8 Instruction Register...


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