KS0070B Datasheet, PDF (1/42 Pages) Samsung semiconductor – 16COM / 80SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD

KS0070B
16COM / 80SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD
INTRODUCTION
KS0070B is a dot matrix LCD driver & controller LSI which is fabricated by low power CMOS technology.
It is capable of displaying 1 or 2 lines with the 5×7 format or 1 line with the 5×10 dots format.
FUNCTIONS
• Character type dot matrix LCD driver & controller
• Internal driver: 16 common and 80 segment signal output
• Easy interface with 4-bit or 8-bit MPU
• Display character pattern: 5×7 dots format (192 kinds) & 5×10 dots format (32 kinds)
• The special character pattern is directly programmable by the character generator RAM.
• A customer character pattern is programmable by mask option.
• It can drive a maximum of 80 characters by using the KS0065B or KS0063B externally.
• Various instruction functions
• Built-in automatic power on reset
• Driving method is A-type (Line inversion)
FEATURES
• Internal Memory
- Character Generator ROM (CGROM): 8,320 bits (192 characters × 5 × 7 dots)
& (32 characters x 5 × 10 dots)
- Character Generator RAM (CGRAM): 64 × 8 bits (8 characters × 5 × 7 dots)
- Display Data RAM (DDRAM): 80 × 8 bits (80 characters max.)
• Low power operation
- Power supply voltage range: 2.7 to 5.5 V (VDD)
- LCD Drive voltage range: 3.0 to 10.0 V (VDD to V5)
• Supply voltage for display: 0 to −5 V (V5)
• Programmable duty cycle: 1/8, 1/11, 1/16
• Internal oscillator with an external resistor
• Bare chip or bumped chip available