Dot Matrix LCD Driver, 34 X 80 Dots, CMOS, DIE-143
INTRODUCTION
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.
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 ~ 5.5 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
• Low power consumption
• Bare chip available
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 dot matrix possible
• 6 x 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