DOT MATRIX LCD CONTROLLER & DRIVER

APU0071 is a dot matrix LCD driver & controller LSI that is fabricated by low power CMOS technology. It is capable of displaying 1-line 16 characters or 2 line 16 characters with 5 × 8 dots format.

FEATURES

Internal Memory

- Character Generator ROM (CGROM) : 7840bits (224 characters × 5 × 7dot)

- Character Generator RAM (CGRAM) : 160 bit (4-characters × 5 × 8 dot)

- Display Data RAM (DDRAM) : 256bits (32 characters × 8bits)

• Low power operation

- Power supply voltage range : 2.7 ~ 5.5V (VDD)

- LCD drive voltage range : 3.0 ~ 7.0 (VDD-V5)

• CMOS process

• Duty cycle : 1/16

• Built-in oscillator

• Low power consumption

• Internal divide resistor for LCD driving voltage

• Available for COG

FUNCTIONS

Character type dot matrix LCD driver & controller.

• Easy interface with 4-bit or 8-bit MPU.

• Internal driver : 16 common and 80 segment signal output.

• Display character pattern : 5 × 7 dots format (224 kinds)

• Direct programming of the special character patterns by character Generator RAM.

• Mask open for programming customer character patterns

• Various instructions function.

• Automatic power on reset.