HD66740 Datasheet, PDF (4/95 Pages) Hitachi Semiconductor – 112 x 80-dot Graphics LCD Controller/Driver

HD66740
LCD Specification Comparison
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
I2C bus
HD66725
16 characters x 3 lines
96 x 26 dots
192
1/2 duty: 192
8 x4
—
3
1.8 V to 5.5 V
3 V to 6 V
—
Serial bus
Parallel bus
Expansion driver control
Liquid crystal drive duty ratios
Clock-synchronized serial
4 bits, 8 bits
Impossible
1/2, 10, 18, 26
Liquid crystal drive biases
Liquid crystal drive waveforms
Liquid crystal voltage booster
1/4 to 1/6.5
B
Single, double, or triple
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
Incorporated (external)
Incorporated
Incorporated
3-dot unit
Line unit
Yes
80 x 8
20,736
384 x 8
96 x 8
240 + 192
64
6 x8
96 x 26
External resistor,
incorporated (32 kHz)
External
Partial display off
Oscillation off
Liquid crystal power off
Key wake-up interrupt
SEG, COM
—
—
TCP-170
—
Yes
170
10.97 x 2.51
80 µm
(Under development)
HD66728
HD66740
16 characters x 10 lines
—
112 x 80 dots
112 x 80 dots
—
—
—
—
8 x4
—
—
—
3
—
1.8 V to 5.5 V
1.8 V to 3.6 V
4.5 V to 15 V
4.5 V to 15 V
—
I2C bus interface
(HD66740W)
Clock-synchronized serial Clock-synchronized serial
4 bits, 8 bits
4 bits, 8 bits
Impossible
Impossible
1/8, 16, 24, 32, 40, 48, 56, 64 1/8, 16, 24, 32, 40, 48, 56, 64
72, 80
72, 80
1/4 to 1/10
1/4 to 1/10
B, C
B, C
Triple, quadruple, or five-
times
Triple, quadruple, or five-
times
Incorporated (external)
Incorporated (external)
Incorporated
Incorporated
Incorporated
Incorporated
—
—
Line unit
Line unit
Yes
Yes
160 x 8
—
20,736
—
1,120 x 8
1,120 x 8
—
—
240 + 192
—
64
—
6 x8
—
112 x 80
112 x 80
External resistor
(70–90 kHz)
External resistor
(70–90 kHz)
External
External
Partial display off
Oscillation off
Liquid crystal power off
Key wake-up interrupt
Partial display off
Oscillation off
Liquid crystal power off
SEG, COM
SEG, COM
—
—
—
—
TCP-243
TCP-233
—
—
Yes
Yes
243
243
13.67 x 2.78
9.40 x 2.18
70 µm
50 µm
4