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參數(shù)資料
| 型號： | HCD66750BP |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 128 x 128-dot Graphics LCD Controller/Driver with Four-grayscale Functions |
| 中文描述： | 128 × 128點圖形LCD控制器/驅(qū)動器，四灰度函數(shù) |
| 文件頁數(shù)： | 7/96頁 |
| 文件大小： | 2068K |
| 代理商： | HCD66750BP |
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HD66750/1
7
LCD Family Comparison (cont)
(Under development)
Items
HD66741
HD66750/751
Character display sizes
Graphic display sizes
128 x 80 dots
128 x 128 dots
Grayscale display
Four monochrome grayscales
Multiplexing icons
Annunciator
Key scan control
LED control ports
General output ports
3
Operating power voltages
1.8 V to 5.5 V
1.8 V to 3.6 V
Liquid crystal drive voltages
4.5 V to 15 V
5 V to 15.5 V
Serial bus
Clock-synchronized serial
Parallel bus
4 bits, 8 bits
8 bits, 16 bits
Liquid crystal drive duty ratios
1/8, 16, 24, 32, 40, 48, 56, 64,
72, 80
1/16, 24, 72, 80, 88, 96, 104,
112, 120, 128
Liquid crystal drive biases
1/4 to 1/10
1/4 to 1/11
Liquid crystal drive waveforms
B, C
B, C
Liquid crystal voltage booster
Three-, four-, or five-times
Two-, five-, six-, or seven-times
Bleeder-resistor for liquid crystal drive
Incorporated (external)
Incorporated (external)
Liquid crystal drive operational amplifier
Incorporated
Incorporated
Liquid crystal contrast adjuster
Incorporated
Incorporated
Horizontal smooth scroll
Vertical smooth scroll
Line unit
Line unit
Double-height display
Yes
Yes
DDRAM
CGROM
CGRAM
1,280 x 8
4,096 x 8
SEGRAM
No. of CGROM fonts
No. of CGRAM fonts
Font sizes
Bit map areas
128 x 80
128 x 128
R-C oscillation resistor/
oscillation frequency
External resistor
(70D90 kHz)
External resistor
(70 kHz)
Reset function
External
External
Low power control
Partial display off,
Oscillation off,
Liquid crystal power off
Partial display off,
Oscillation off,
Liquid crystal power off
SEG/COM direction switching
SEG, COM
SEG, COM
QFP package
TQFP package
TCP package
TCP-254
TCP-308
Bare chip
Bumped chip
Yes
Yes
No. of pins
243
308
Chip sizes
14.30 x 2.78
10.97 x 4.13
Pad intervals
70
m
m
60
m
m
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