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KODENSHI KOREA
KODENSHI KOREA

KK44780 Datasheet Preview

KK44780 Datasheet

DOT MATRIX LIQUID CRYSTAL DISPLAY CONTROLLER & DRIVER

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KK44780 pdf
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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



KODENSHI KOREA
KODENSHI KOREA

KK44780 Datasheet Preview

KK44780 Datasheet

DOT MATRIX LIQUID CRYSTAL DISPLAY CONTROLLER & DRIVER

No Preview Available !

KK44780 pdf
www.DataSheet4U.com
KK44780
BLOCK DIAGRAM
Power
supply
f or
LCD
Dr i ve
V1
V2
V3
V4
V5
Par allel/ Ser ial
Data conversion
Ci r cui t
55
Busy
Flag
Char acter
Gener at or
ROM
8320 bit s
DB0~DB3 4
DB4~DB7 4
I/ O
Buf fer
8 Data
Regi st er
8
R/ W
RS
E
7
8
I nstruct ion
Register 8
I nstruct ion
Decoder
Char act er
Gener ator
RA M
512 bits
Cur sor
Blink
Cont rol
Ci r cui t
8 SEG1
8
40 - bit
Shif t 40
40 - bit
L at ch 40
SSeiggnmael nt4tS0oEG40
Regist er Cir cuit
Dr iver
Display
7 Data RAM
80 x 8 bit s
D
7
OSC1
OSC2
Timing
Gener at ion
Ci r cui t
VDD
V SS
7
77
A ddr ess
Count er
16 - bit
Shif t
16
Regi st er
COM1
Common
to
COM16
Sign al 16
Dr i ver
CLK 1
CLK 2
M
2


Part Number KK44780
Description DOT MATRIX LIQUID CRYSTAL DISPLAY CONTROLLER & DRIVER
Maker KODENSHI KOREA
Total Page 10 Pages
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KK44780 pdf
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