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參數(shù)資料
| 型號： | HD66702 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Dot Matrix Liquid Crystal Display Controller/Driver(點(diǎn)陣液晶顯示控制器/驅(qū)動器) |
| 中文描述： | 點(diǎn)陣式液晶顯示控制器/驅(qū)動器（點(diǎn)陣液晶顯示控制器/驅(qū)動器） |
| 文件頁數(shù)： | 3/69頁 |
| 文件大小： | 352K |
| 代理商： | HD66702 |
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HD66702/HD66701
3
LCD-II Family Comparison
Item
LCD-II
(HD44780U)
HD66702
HD66701
HD66710
HD66712U
Power supply voltage
2.7V to 5.5V
5 V
±
10 %
(standard)
2.7 V to 5.5V
(low voltage)
2.7V to 5.5V
2.7V to 5.5V
Liquid crystal drive
voltage
3.0V to 11 V
3.0V to 8.3V
3.0V to 13.0V
2.7V to 11.0V
Maximum display digits
per chip
8 characters
×
2 lines
20 characters
×
2 lines (HD66702)
16 characters
×
2 lines (HD66701)
16 characters
×
2 lines/
8 characters
×
4 lines
24 characters
×
2 lines/
12 characters
×
4 lines
Segment display
None
None
40 segments
60 segments
Display duty cycle
1/8, 1/11, and 1/16
1/8, 1/11, and 1/16
1/17 and 1/33
1/17 and 1/33
CGROM
9,920 bits
(208 5
×
8 dot
characters and 32
5
×
10 dot
characters)
7,200 bits
(160 5
×
7 dot
characters and 32
5
×
10 dot
characters)
9,600 bits
(240 5
×
8 dot
characters)
9,600 bits
(240 5
×
8 dot
characters)
CGRAM
64 bytes
64 bytes
64 bytes
64 bytes
DDRAM
80 bytes
80 bytes
80 bytes
80 bytes
SEGRAM
None
None
8 bytes
16 bytes
Segment signals
40
100 (HD66702)
80 (HD66701)
40
60
Common signals
16
16
33
34
Liquid crystal drive
waveform
A
B
B
B
Bleeder resistor for LCD
power supply
External
(adjustable)
External
(adjustable)
External
(adjustable)
External
(adjustable)
Clock source
External resistor or
external clock
External resistor or
external clock
External resistor
or external clock
External resistor or
external clock
R
oscillation frequency
(frame frequency)
270 kHz
±
30%
(59 to 110 Hz for
1/8 and 1/16 duty
cycle; 43 to 80 Hz
for 1/11 duty cycle)
320 kHz
±
30%
(70 to 130 Hz for
1/8 and 1/16 duty
cycle; 51 to 95 Hz
for 1/11 duty cycle)
270 kHz
±
30%
(56 to 103 Hz for
1/17 duty cycle;
57 to 106 Hz for
1/33 duty cycle)
270 kHz
±
30%
(56 to 103 Hz for
1/17 duty cycle;
57 to 106 Hz for
1/33 duty cycle)
R
f
resistance
91 k
: 5-V
operation;
75 k
: 3-V
operation
68 k
: 5-V
operation;
56 k
: (3-V
operation)
91 k
: 5-V
operation;
75 k
: 3-V
operation
130 k
: 5-V
operation
110 k
: 3-V
operation
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HD66702R | Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function |
| HD66727A04TA0L | Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function |
| HD66720 | Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function |
| HD66727A03TA0L | Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function |
| HD66705U | Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver(圖形LCD控制器/驅(qū)動器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD66702R | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function |
| HD66702RA00F | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver |
| HD66702RA00FL | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver |
| HD66702RA01F | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver |
| HD66702RA02F | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:IC-SM-LCD CONTROLLER |
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