KS0078 Datasheet, PDF (1/71 Pages) Samsung semiconductor – 34COM/120SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD

KS0078
34COM/120SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD
INTRODUCTION
KS0078 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 × 8 or 6 × 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
• Clock synchronized serial Interface
• 5 × 8 dot matrix possible
• 6 × 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 × 5 × 8 dot)
- Character Generator RAM (CGRAM) : 64 x 8 bits (8 characters × 5 × 8 dot)
- Segment Icon RAM (SEGRAM) : 16 × 8 bits (96 icons max.)
- Display Data RAM (DDRAM) : 96 × 8 bits (96 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
• Bare chip available