TECHNICAL DATA
DOT MATRIX LIQUID CRYSTAL DISPLAY
CONTROLLER & DRIVER
FEATURES
•
Internal Memory
-
-
-
Character Generator ROM: 8320 bits
Character Generator RAM: 512 bit
Display Data RAM: 80 x 8 bits for 80 digits
IN44780
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
•
Internal automatic reset circuit at power ON
•
Internal oscillation circuit
•
Power Supply Voltage: +5V
±
10%
•
LCD Driving Voltage for display: 0 ~ -5V(V
5
)
•
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, HD44780,
SED1278
DESCRIPTION
The IZ44780 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
IZ44780 – 00
IZ44780 – 01
IZ44780 – XX
English
English
CGROM
Numberal
Numberal
Custom font (XX – ROM code)
Russian
Japanese
ABSOLUTE MAXIMUM RATINGS
Characteristic
Power Supply Voltage
Driver Supply Voltage
Input Voltage
Operating Temperature
Storage Temperature
Symbol
V
DD
V
1
~ V
5
V
I
T
a
T
stg
Value
- 0.3 ~ 7.0
V
DD
- 13.5 ~ V
DD
+ 0.3
-0.3 ~V
DD
+ 0.3
- 20 ~ + 75
- 55 ~ + 125
Unit
V
V
V
o
C
o
C
Notes: Must keep the relation of V
DD
≥
V
1
≥
V
2
≥
V
3
≥
V
4
≥
V
5
1
DSP and ARM Processors
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