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PDF ST7066U Data sheet ( Hoja de datos )
| Número de pieza | ST7066U | |
| Descripción | Dot Matrix LCD Controller/Driver | |
| Fabricantes | Sitronix | |
| Logotipo |  |
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ST
Sitronix
ST7066U
Dot Matrix LCD Controller/Driver
!"Features
#" 5 x 8 and 5 x 11 dot matrix possible
#" Low power operation support:
#" -- 2.7 to 5.5V
#" Wide range of LCD driver power
-- 3.0 to 10V
#" Correspond to high speed MPU bus
interface
-- 2 MHz (when VCC = 5V)
#" 4-bit or 8-bit MPU interface enabled
#" 80 x 8-bit display RAM (80 characters max.)
#" 13,200-bit character generator ROM for a
total of 240 character fonts(5 x 8 dot or 5 x 11
dot)
#" 64 x 8-bit character generator RAM
-- 8 character fonts (5 x 8 dot)
-- 4 character fonts (5 x 11 dot)
#" 16-common x 40-segment liquid crystal
display driver
!"Description
The ST7066U dot-matrix liquid crystal display
controller and driver LSI displays alphanumeric,
Japanese kana characters, and symbols. It can be
configured to drive a dot-matrix liquid crystal display
under the control of 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 minimal system can
be interfaced with this controller/driver.
The ST7066U has pin function compatibility with the
HD44780, KS0066 and SED1278 that allows the user
to easily replace it with an ST7066U. The ST7066U
character generator ROM is extended to generate
#" Programmable duty cycles
-- 1/8 for one line of 5 x 8 dots with cursor
-- 1/11 for one line of 5 x 11 dots & cursor
-- 1/16 for two lines of 5 x 8 dots & cursor
#" Wide range of instruction functions:
Display clear, cursor home, display on/off,
cursor on/off, display character blink, cursor
shift, display shift
#" Pin function compatibility with HD44780,
KS0066 and SED1278
#" Automatic reset circuit that initializes the
controller/driver after power on
#" Internal oscillator with external resistors
#" Low power consumption
#" QFP80 and Bare Chip available
240 5x8(5x11) dot character fonts for a total of 240
different character fonts. The low power supply (2.7V
to 5.5V) of the ST7066U is suitable for any portable
battery-driven product requiring low power
dissipation.
The ST7066U LCD driver consists of 16 common
signal drivers and 40 segment signal drivers which
can extend display size by cascading segment driver
ST7065 or ST7063. The maximum display size can
be either 80 characters in 1-line display or 40
characters in 2-line display. A single ST7066U can
display up to one 8-character line or two 8-character
lines.
Product Name
ST7066U-0A
ST7066U-0B
ST7066U-0E
Support Character
English / Japan
English / European
English / European
V2.0
1/42
2001/03/01
1 page  
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ST7066U
!"Package Dimensions
V2.0
5/42
2001/03/01
5 Page 
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ST7066U
When display shift operation is performed, the DDRAM address shifts. See Figure 5.
Display
Position
123456
00 01 02 03 04 05
DDRAM
Address 40 41 42 43 44 45
(hexadecimal)
………………..
………………..
38 39 40
25 26 27
65 66 67
Figure 4 2-Line Display
Display
Position
DDRAM
Address
12345678
00 01 02 03 04 05 06 07
40 41 42 43 44 45 46 47
For
Shift Left
01 02 03 04 05 06 07 08
41 42 43 44 45 46 47 48
For
Shift Right 27 00 01 02 03 04 05 06
67 40 41 42 43 44 45 46
Figure 5 2-Line by 8-Character Display Example
Case 2: For a 16-character × 2-line display, the ST7066U can be extended using one 40-output
extension driver. See Figure 6.
When display shift operation is performed, the DDRAM address shifts. See Figure 6.
Display
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Position
DDRAM 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
Address
40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F
For
Shift
Left
01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10
41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F 50
For
Shift
Right
27 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E
67 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E
Figure 6 2-Line by 16-Character Display Example
V2.0
11/42
2001/03/01
11 Page | ||
| Páginas | Total 42 Páginas | |
| PDF Descargar | [ Datasheet ST7066U.PDF ] | |
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