參數(shù)資料
型號： HD66702R
廠商： Hitachi,Ltd.
英文描述： Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function
中文描述： 低功耗點陣液晶顯示控制器/鍵掃描功能驅(qū)動程序
文件頁數(shù)： 4/97頁
文件大?。?/td> 513K
代理商： HD66702R
HD66727
4
LCD-II Family Comparison
Item
Power supply voltage
LCD-II
(HD44780U)
2.7V to 5.5V
HD66702R
5V
±
10% (standard)
2.7 V to 5.5V
(low voltage)
3.0V to 8.3V
HD66710
2.7V to 5.5V
HD66712U
2.7V to 5.5V
Liquid crystal drive
voltage
Maximum display -
characters per chip
3.0 to 11.0V
3.0 to 13.0V
2.7 to 11.0V
8 characters
×
2 lines
20 characters
×
2 lines
16 characters
×
2 lines/
8 characters
×
4 lines
40
1/17 and 1/33
24 characters
×
2 lines/
12 characters
×
4 lines
60 (extended to 80)
1/17 and 1/33
Segment display
Display duty ratio
None
1/8, 1/11, and
1/16
9,920 bits
(208 5-
×
-8 dot
characters and
32 5-
×
-10 dot
characters)
64 bytes
80 bytes
None
40
16
A
None
1/8, 1/11, and
1/16
7,200 bits
(160 5-
×
-7 dot
characters and
32 5-
×
-10 dot
characters)
64 bytes
80 bytes
None
100
16
B
CGROM
9,600 bits
(240 5-
×
-8 dot
characters)
9,600 bits
(240 5-
×
-8 dot
characters)
CGRAM
DDRAM
SEGRAM
Segment signals
Common signals
Liquid crystal drive
waveform
Clock source
64 bytes
80 bytes
8 bytes
40
33
B
64 bytes
80 bytes
16 bytes
60
34
B
External resistor
or external clock
270 kHz
±
30%
None
External resistor
or external clock
320 kHz
±
30%
None
External resistor
or external clock
270 kHz
±
30%
Double or triple
booster circuit
None
External resistor
or external clock
270 kHz
±
30%
Double or triple
booster circuit
None
Rf oscillation frequency
Liquid crystal voltage
booster circuit
Liquid crystal drive
operational amplifier
Bleeder-resistor for liquid
crystal drive
Liquid crystal contrast
adjuster
Key scan circuit
Extension driver control
signal
None
None
External
External
External
External
None
None
None
None
None
Independent
control signal
None
Independent
control signal
None
Used in common
with a driver
output pin
Internal reset
circuit
Dot unit
None
Independent
control signal
Reset function
Internal reset
circuit
Impossible
Internal reset
circuit
Impossible
Internal reset
circuit or reset input
Dot unit and
line unit
Impossible
1, 2, or 4
Low power mode
Serial, 4, or 8 bits
128-pin TCP
128-pin bare chip
Horizontal smooth scroll
Vertical smooth scroll
Number of displayed lines 1 or 2
Low power control
Bus interface
Package
Impossible
Impossible
1 or 2
None
4 or 8 bits
144-pin FQFP2020
144-pin bare chip
Impossible
1, 2, or 4
Low power mode
4 or 8 bits
100-pin QFP1420
100-pin TQFP1414
100-pin bare chip
None
4 or 8 bits
80-pin QFP1420
80-pin TQFP1414
80-pin bare chip
相關(guān)PDF資料
PDF描述
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)
HD66710 (Dot Matrix Liquid Crystal Display Controller/Driver)
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