HD66712 Datasheet, PDF (2/88 Pages) Hitachi Semiconductor – Dot-Matrix Liquid Crystal Display Controller/Driver

HD66712U
• Extension driver interface
• Character display and independent 60-icon mark display possible
• Horizontal smooth scroll by 6-dot font width display possible
• 80 × 8-bit display RAM (80 characters max.)
• 9,600-bit character generator ROM
 240 characters (5 × 8 dot)
• 64 × 8-bit character generator RAM
 8 characters (5 × 8 dot)
• 16 × 8-bit segment icon mark
 96-segment icon mark
• 34-common × 60-segment liquid crystal display driver
• Programmable duty cycle
(See List 1)
• Software upwardly compatible with HD44780
• Wide range of instruction functions:
 Functions compatible with LCD-II: Display clear, cursor home, display on/off, cursor on/off,
display character blink, cursor shift, display shift
 Additional functions: Icon mark control, 4-line display, horizontal smooth scroll, 6-dot character
width control, white-black inverting blinking cursor
• Automatic reset circuit that initializes the controller/driver after power on (standard version only)
• Internal oscillator with an external resistor
• Low power consumption
• TCP-128 pin, bare-chip
List 1 Programmable Duty Cycles
Number
of Lines
1
2
3
Duty Ratio
1/17
1/33
1/33
5-Dot Font Width
Displayed Characters Icons
One 24-character
60
line
Two 24-character
60
lines
Four 12-character
60
lines
6-Dot Font Width
Displayed Characters Icons
One 20-character
60
lines
Two 20-character
60
lines
Four 10-character
60
lines
365