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PDF HD66712SA01FS Data sheet ( Hoja de datos )
| Número de pieza | HD66712SA01FS | |
| Descripción | Dot-Matrix Liquid Crystal Display Controller/Driver | |
| Fabricantes | Hitachi Semiconductor | |
| Logotipo |  |
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HD66712U
(Dot-Matrix Liquid Crystal Display Controller/Driver)
Description
The HD66712 dot-matrix liquid crystal display controller and driver LSI displays alphanumerics,
numbers, and symbols. It can be configured to drive a dot-matrix liquid crystal display under the control
of a serial or a 4- or 8-bit microprocessor. Since all the functions such as display RAM, character
generator, and liquid crystal driver, required for driving a dot-matrix liquid crystal display are internally
provided on one chip, a minimum system can be interfaced with this controller/driver.
A single HD66712 is capable of displaying a single 24-character line, two 24-character lines, or four 12-
character lines.
The HD66712 software is upwardly compatible with the LCDII (HD44780) which allows the user to
easily replace an LCD-II with an HD66712. In addition, the HD66712 is equipped with functions such as
segment displays for icon marks, a 4-line display mode, and a horizontal smooth scroll, and thus supports
various display forms. This achieves various display forms. The HD66712 character generator ROM is
extended to generate 240 5 × 8 dot characters.
The low-voltage operation (2.7V) of the HD66712, combined with a low-power mode, is suitable for any
portable battery-driven product requiring low power consumption.
Features
• 5 × 8 dot matrix possible
• Clock-synchronized serial interface capability; can interface with 4- or 8-bit MPU
• Low-power operation support:
2.7 to 5.5V (low voltage)
Wide liquid-crystal voltage range: 2.7 to 11.0V max.
• Booster for liquid crystal voltage
Two/three times (13V max.)
• High-speed MPU bus interface
(2MHz at 5-V operation)
364
1 page  
HD66712U
Item
Liquid crystal voltage
booster circuit
Extension driver control
signal
Reset function
Instructions
Number of displayed
lines
Low power mode
Horizontal scroll
Bus interface
CPU bus timing
Current consumption
Package
HD66702
HD66710
HD66712S
HD66712U
None
2-3 times step-up 2-3 times step-up
circuit
circuit
←
Independent
control signal
Used in common Independent control
with a driver output signal
pin
←
Power on automatic Power on automatic Power on automatic
reset
reset
reset or Reset input
←
Fully compatible
with the LCD-II
Uppercompatible Upper compatible
with the LCD-II
with the LCD-II
←
1 or 2
1, 2, or 4
1, 2, or 4
←
None
Character unit
4 bits/8 bits
1 MHz
150 µA (typ)
LQFP-2020–144
144-pin bare chip
Available
Dot unit
4 bits/8 bits
2 MHz: 5-V
operation;
1 MHz: 3-V
operation
150 µA (typ)
QFP-1420-100
TQFP-1414-100
100-pin bare chip
Available
Dot unit
Serial;
4 bits/8 bits
2 MHz: 5-V
operation;
1 MHz: 3-V
operation
150 µA (typ)
100 µA (LP mode,
1/33 duty)
75 µA (LP mode,
1/17 duty)
QFP-1420-128
TCP-128
128-pin bare chip
←
←
←
←
120 µA (typ)
85 µA (LP mode,
1/33 duty)
60 µA (LP mode,
1/17 duty)
TCP-128
128-pin bare
chip
368
5 Page 
HD66712U
HCD66712U Pad Arrangement
SEG46
SEG47
SEG48
SEG49
SEG50
SEG51
SEG52
SEG53
SEG54
SEG55
SEG56
SEG57
SEG58
SEG59
SEG60
COM9
COM10
COM11
COM12
COM13
COM14
COM15
COM16
COM25
COM26
COM27
COM28
COM29
COM30
COM31
COM32
COM33
VCC
OSC2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
HCD66712U
(Top view)
HD66712
Type code
100 SEG15
99 SEG14
98 SEG13
97 SEG12
96 SEG11
95 SEG10
94 SEG9
93 SEG8
92 SEG7
91 SEG6
90 SEG5
89 SEG4
88 SEG3
87 SEG2
86 SEG1
85 COM0
84 COM1
83 COM2
82 COM3
81 COM4
80 COM5
79 COM6
78 COM7
77 COM8
76 COM17
75 COM18
74 COM19
73 COM20
72 COM21
71 COM22
70 COM23
69 COM24
68 V1
67 V2
374
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet HD66712SA01FS.PDF ] | |
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