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HD66724 Datasheet(PDF) 5 Page - Hitachi Semiconductor

Part # HD66724
Description  128 x 128-dot Graphics LCD Controller/Driver with Four-grayscale Functions
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Manufacturer  HITACHI [Hitachi Semiconductor]
Direct Link  http://www.renesas.com/eng
Logo HITACHI - Hitachi Semiconductor

HD66724 Datasheet(HTML) 5 Page - Hitachi Semiconductor

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HD66750/1
5
LCD Family Comparison (cont)
Items
HD66724
HD66725
HD66726
Character display sizes
12 characters x 3 lines
16 characters x 3 lines
16 characters x 5 lines
Graphic display sizes
72 x 26 dots
96 x 26 dots
96 x 42 dots
Grayscale display
Ñ
Ñ
Ñ
Multiplexing icons
144
192
192
Annunciator
1/2 duty: 144
1/2 duty: 192
1/2 duty: 192
Key scan control
8 x 4
8 x 4
8 x 4
LED control ports
Ñ
Ñ
Ñ
General output ports
3
3
3
Operating power voltages
1.8 V to 5.5 V
1.8 V to 5.5 V
1.8 V to 5.5 V
Liquid crystal drive voltages
3 V to 6.5 V
3 V to 6.5 V
4.5 V to 11 V
Serial bus
Clock-synchronized serial
Clock-synchronized serial
Clock-synchronized serial
Parallel bus
4 bits, 8 bits
4 bits, 8 bits
4 bits, 8 bits
Liquid crystal drive duty ratios
1/2, 10, 18, 26
1/2, 10, 18, 26
1/2, 10, 18, 26, 34, 42
Liquid crystal drive biases
1/4 to 1/6.5
1/4 to 1/6.5
1/2 to 1/8
Liquid crystal drive waveforms
B
B
B
Liquid crystal voltage booster
Single, two-, or three-times
Single, two-, or three-times
Single, two-, three-, or four-
times
Bleeder-resistor for liquid crystal drive
Incorporated (external)
Incorporated (external)
Incorporated (external)
Liquid crystal drive operational amplifier
Incorporated
Incorporated
Incorporated
Liquid crystal contrast adjuster
Incorporated
Incorporated
Incorporated
Horizontal smooth scroll
3-dot unit
3-dot unit
Ñ
Vertical smooth scroll
Line unit
Line unit
Line unit
Double-height display
Yes
Yes
Yes
DDRAM
80 x 8
80 x 8
80 x 8
CGROM
20,736
20,736
20,736
CGRAM
384 x 8
384 x 8
480 x 8
SEGRAM
72 x 8
96 x 8
96 x 8
No. of CGROM fonts
240 + 192
240 + 192
240 + 192
No. of CGRAM fonts
64
64
64
Font sizes
6 x 8
6 x 8
6 x 8
Bit map areas
72 x 26
96 x 26
96 x 42
R-C oscillation resistor/
oscillation frequency
External resistor, incorporated
(32 kHz)
External resistor, incorporated
(32 kHz)
External resistor
(50 kHz)
Reset function
External
External
External
Low power control
Partial display off,
Oscillation off,
Liquid crystal power off,
Key wake-up interrupt
Partial display off,
Oscillation off,
Liquid crystal power off,
Key wake-up interrupt
Partial display off,
Oscillation off,
Liquid crystal power off,
Key wake-up interrupt
SEG/COM direction switching
SEG, COM
SEG, COM
SEG, COM
QFP package
Ñ
Ñ
Ñ
TQFP package
Ñ
Ñ
Ñ
TCP package
TCP-146
TCP-170
TCP-188
Bare chip
Ñ
Ñ
Yes
Bumped chip
Yes
Yes
Yes
No. of pins
146
170
188
Chip sizes
10.34 x 2.51
10.97 x 2.51
13.13 x 2.51
Pad intervals
80
mm
80
mm
100
mm


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