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PDF KK44780 Data sheet ( Hoja de datos )
| Número de pieza | KK44780 | |
| Descripción | DOT MATRIX LIQUID CRYSTAL DISPLAY CONTROLLER & DRIVER | |
| Fabricantes | KODENSHI KOREA | |
| Logotipo |  |
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TECHNICAL DATA
DOT MATRIX LIQUID CRYSTAL DISPLAY
CONTROLLER & DRIVER
KK44780
FEATURES
• Internal Memory
- Character Generator ROM: 8320 bits
- Character Generator RAM: 512 bit
- Display Data RAM: 80 x 8 bits for 80 digits
• Internal automatic reset circuit at power ON
• Internal oscillation circuit
• Power Supply Voltage: +5V ± 10%
• LCD Driving Voltage for display: 0 ~ -5V(V5)
• Duty factor selection (sselected by programs)
1/8 duty: 5 x 7 dots format 1 line,
1/11 duty: 5 x 10 dots format 1 line
1/16 duty: 5 x 7 dots format 2 line
• Bare chip available
• Pin-to-Pin replacement for KS0066, KK44780,
SED1278
FUNCTION
• Character type dot matrix LCD driver & controller
• Internal driver: 16 common and 40 segment signal output
• Display character format: 5 x 7 dots + cursor,
5 x 10 dots + cursor
• Easy interface with a 4-bit or 8-bit MPU
• Display character pattern:
5 x 7 dots format: 192 kinds, 5 x 10 dots format: 32 kinds
• The special character pattern can be programmable by
Character Generator RAM directly
• A customer character pattern can be programmable by mask
option
• Wide range of instruction function:
Display clear, Cursor home, Display ON/OFF, Display shift
Cursor ON/OFF, Display character blink, Cursor shift
DESCRIPTION
The KK44780 is a dot matrix liquid crystal display controller & driver LSI that displays alphanumerics,
characters and symbols.
It drives dot matrix LCD under microcomputer control. All functions needed for dot matrix LCD drive are internally
provided
on one chip.
ODERING INFORMATION
Type
KK44780 – 00
English
KK44780 – 01
English
KK44780 – XX
CGROM
Numberal
Numberal
Custom font (XX – ROM code)
Russian
Japanese
ABSOLUTE MAXIMUM RATINGS
Characteristic
Symbol
Value
Power Supply Voltage
Driver Supply Voltage
Input Voltage
Operating Temperature
Storage Temperature
VDD
V1 ~ V5
VI
Ta
Tstg
- 0.3 ~ 7.0
VDD - 13.5 ~ VDD + 0.3
-0.3 ~VDD + 0.3
- 20 ~ + 75
- 55 ~ + 125
Notes: Must keep the relation of VDD ≥ V1 ≥ V2 ≥ V3 ≥ V4 ≥ V5
Unit
V
V
V
oC
oC
1
1 page  
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KK44780
RS
R/ W
E
DB0 ~ DB7
VI H1
VIL1
t SU1
VIL1
tW
V I H1
VIL1
t H1
VIL1
t H1
tR
t SU2
t H2
VI H1
VIL1
Valid Data
tC
VI H1
VIL1
VIL1
(2) Read mode (Reading data from KK44780 to MPU)
Characteristic
E Cycle Time
E Rise Time
E Fall Time
E Pulse Width (High, Low)
R/W and RS Set-up Time
R/W and RS Hold Time
Data Output Delay Time
Data Hold Time
Symbol
tC
tR
tF
tW
tSU1
tH1
tD
tH2
Test pin
E
E
E
E
R/W, RS
R/W, RS
DB0 ~ DB7
DB0 ~ DB7
Min
Typ
Max
Unit
500 ns
25 ns
25 ns
220 ns
40 ns
10 ns
120 ns
20 ns
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet KK44780.PDF ] | |
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