HD66712UA03TA0 Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics
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HD66712UA03TA0 Datasheet PDF : 88 Pages
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HD66712U
LCD-II Family Comparison
Item
Power supply voltage
Liquid crystal drive
voltage
Maximum display digits
per chip
Segment display
Display duty cycle
CGROM
CGRAM
DDRAM
SEGRAM
Segment signals
Common signals
Liquid crystal drive
waveform
Bleeder resistor for LCD
power supply
Clock source
Rf oscillation frequency
(frame frequency)
Rf resistance
HD66702
5V ±10 %
(standard)
2.7V to 5.5V
(low voltage)
3.0V to 8.3V
HD66710
2.7V to 5.5V
HD66712S
2.7V to 5.5V
HD66712U
←
3.0V to 13.0V
3.0V to 13.0V
2.7V to 11.0V
20 characters
16 characters × 24 characters ×
←
× 2 lines
2 lines/
2 lines/
8 characters ×
12 characters ×
4 lines
4 lines
None
40 segments
60 segments
←
1/8, 1/11, and 1/16 1/17 and 1/33
1/17 and 1/33
←
7,200 bits
9,600 bits
9,600 bits
←
(160 5 × 7 dot
(240 5 × 8 dot
(240 5 × 8 dot
characters and 32 characters)
characters)
5 × 10 dot
characters)
64 bytes
64 bytes
64 bytes
←
80 bytes
80 bytes
80 bytes
←
None
8 bytes
16 bytes
←
100
40
60
←
16
33
34
←
B
B
B
←
External
External
External
←
(adjustable)
(adjustable)
(adjustable)
External resistor or External resistor or External resistor or
←
external clock
external clock
external clock
320 kHz ±30%
270 kHz ±30%
270 kHz ±30%
←
(70 to 130 Hz for (56 to 103 Hz for (56 to 103 Hz for
1/8 and 1/16 duty 1/17 duty cycle; 1/17 duty cycle;
cycle; 51 to 95 Hz 57 to 106 Hz for 57 to 106 Hz for
for 1/11 duty cycle) 1/33 duty cycle) 1/33 duty cycle)
68 kΩ: 5-V
operation;
56 kΩ: (3-V
operation)
91 kΩ: 5-V
operation;
75 kΩ: 3-V
operation
91 kΩ: 5-V
operation;
75 kΩ: 3-V
operation
130 kΩ: 5-V
operation
110 kΩ: 3-V
operation
367
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