HD66724 Datasheet, PDF (7/117 Pages) Hitachi Semiconductor – (Graphics LCD Controller/Driver with Key Scan Function)

LCD-II Family Comparison (cont)
Items
Character display sizes
Graphic display sizes
Multiplexing icons
Annunciator
Key scan control
LED control ports
General output ports
Operating power voltages
Liquid crystal drive voltages
Serial bus
Parallel bus
Expansion driver control
Liquid crystal drive duty ratios
Liquid crystal drive biases
Liquid crystal drive waveforms
Liquid crystal voltage booster
Bleeder-resistor for liquid crystal drive
Liquid crystal drive operational amplifier
Liquid crystal contrast adjuster
Horizontal smooth scroll
Vertical smooth scroll
Double-height display
DDRAM
CGROM
CGRAM
SEGRAM
No. of CGROM fonts
No. of CGRAM fonts
Font sizes
Bit map areas
R-C oscillation resistor/
oscillation frequency
Reset function
Low power control
SEG/COM direction switching
QFP package
TQFP package
TCP package
Bare chip
Bumped chip
No. of pins
Chip sizes
Pad intervals
HD66731
10 (20) characters x 4 lines
—
120
—
—
—
—
2.4 V to 5.5 V
3 V to 15 V
Clock-synchronized serial
8 bits
Possible
1/14, 27, 40, 53
1/4 to 1/8.3
B
Double or triple
External
—
—
Display unit
Line unit
—
80 x 8
506,880 + 9,216
32 x 6
8x6
3,840
8
11 x 12
—
External resistor
(70–450 kHz)
External
Booster off
Internal division function
—
—
—
TCP-170, 206
—
Yes
206
7.48 x 6.46
80 µm
HD66724/HD66725
7