S6A0079

34COM/120SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD S6A0079 INTRODUCTION S6A0079 is a dot matrix LCD driver & controller LSI which is fabricated by low power CMOS technology. It can display 2, or 4 lines with 5 x 8 dots format. FUNCTIONS Character type dot matrix LCD driver & controller Internal driver: 34 common and 120 segment signal output Easy interface with 4-bit or 8-bit MPU 5 x 8 dots matrix possible Voltage converter for LCD drive voltage: 13V max (2 times/3 times) 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) - Icon RAM (CGRAM): 16 x 8 bits (80 icons max.) - Display Data RAM (DDRAM): 96 x 8 bits (96 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 Duty cycle: 1/33 Internal oscillator with an external resistor Bare chip available PROGRAMMABLE DUTY CYCLES 5-Dot Font Width Display Line Numbers 2 4 1/33 1/33 Duty Ratio Single-chip Operation Displayable Characters 2-line of 48 characters 4-line of 24 characters Possible Icons 80 80 1 S6A0079 34COM/120SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD BLOCK DIAGRAM TEST1 OSC1 OSC2 Power on Reset (POR) RESET TEST2 RS E RW System Interface 4-bit 8-bit 8 Instruction Register (IR) Oscillator Timing Generator Instruction Decoder 7 COM0Common COM33 Dr...