DOT MATRIX LCD CONTROLLER & DRIVER
IZ0066
FEATURES
•
Internal Memory
-
-
-
Character Generator ROM: 8320 bits
Character Generator RAM: 512 bit
Display Data RAM: 80 x 8 bits for 80 digits
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 (selected 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 IZ0066 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
IZ0066 - 00
IZ0066 - 01
IZ0066 - XX
English
English
Numberal
Numberal
Custom font (XX – ROM code)
CGROM
Japanese
Cyrillic
ABSOLUTE MAXIMUM RATINGS
Characteristic
Power Supply Voltage
Driver Supply Voltage
Input Voltage
Operating Temperature
Storage Temperature
Notes: Must keep the relation of V
DD
≥
V
1
≥
V
2
≥
V
3
≥
V
4
≥
V
5
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
o
C
C
1
1
DOT MATRIX LCD CONTROLLER & DRIVER
IZ0066
ELECTRICAL CHARACTERISTICS
(Ta = 25
o
C, V
DD
= +5V, V
SS
= 0V unless otherwise specified)
Characteristic
Operating Voltage
Operating Current (*1)
Symbol
V
DD
I
DD
Internal oscillation or external
clock
f
OSC
= 270KHz
E, DB
0
~ DB
7
, R/W,
RS
OSC1
LOW Input Voltage
V
IL
E, DB
0
~ DB
7
, R/W,
RS
OSC1
HIGH Output Voltage
V
OH
I
OH
= -0.205 mA
I
OH
= -40µA
LOW Output Voltage
V
OL
I
OL
= 1.2mA
I
OL
= 40µA
Driver Voltage Descending
Input Leakage Current
Input LOW Current
Frequency(*1)
External
Clock
Duty
Rise time
Fall time
Internal Clock Frequency(*1)
Ceramic Resonator Oscillation
Frequency (*1)
LCD Driving Voltage (*2)
V
COM
V
SEG
I
LKG
I
IL
f
EC
DUTY
t
R
t
F
f
OSC1
f
OSC2
V
LCD1
V
LCD2
Notes: *1).
Oscillation circuit
Resistor circuit
O SC 1
Rf
R f: 91k
Ω
+ 2%
F requ en cy inp u t
open
Test Condition
Applicable
Terminals
Min
4.5
Typ
Max
5.5
Unit
V
0.35
0.6
HIGH Input Voltage
V
IH
2.2
V
DD
-1.0
-0.3
-0.2
2.4
0.9V
DD
V
DD
V
DD
0.6
1.0
V
V
DB
0
~ DB
7
CLK1, CLK2, M, D
DB
0
~ DB
7
CLK1, CLK2, M, D
COM1 ~ COM16
SEG1 ~ SEG40
V
0.4
0.1V
DD
1.0
1.0
-1
1
-125
250
50
-250
350
55
0.2
0.2
V
I
O
=
±
0.1mA
V
µA
µA
KHz
%
µs
µs
KHz
V
IN
=0V ~ V
DD
V
CC
= 5V (test pull up R)
E
RS, R/W,
DB
7
DB
0
~
-50
125
OSC1
46
Rf = 91KΩ
±
2%
OSC1, OSC2
190
245
270
250
350
255
10.0
10.0
V
DD
– V
5
1/5 bias
1/4 bias
V
1
~ V
5
4.6
3.0
V
External clock circuit
O SC 1
O SC 2
O SC 2
*2). Input the voltage listed in table below to V
1
~ V
5
Duty
Bias
Power supply
V
1
V
DD
– V
LCD
/4
V
2
V
DD
– V
LCD
/2
V
3
V
DD
– V
LCD
/2
V
4
V
DD
– 3V
LCD
/4
V
5
V
DD
– V
LCD
*V
LCD
is the LCD driving voltage, refer to the initial set of the instruction code.
V
DD
– V
LCD
/5
V
DD
– 2V
LCD
/5
V
DD
– 3V
LCD
/5
V
DD
– 4V
LCD
/5
V
DD
– V
LCD
1/8, 1/11
1/4
1/16
1/5
3
3
DOT MATRIX LCD CONTROLLER & DRIVER
IZ0066
AC CHARACTERISTICS
(V
DD
= 5V, V
SS
= 0V, Ta = 25
o
C)
(1) Write mode (Writing data from MPU to IZ0066)
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 Set-up Time
Data Hold Time
Symbol
t
C
t
R
t
F
t
W
t
SU1
t
H1
t
SU2
t
H2
Test pin
E
E
E
E
R/W, RS
R/W, RS
DB
0
~ DB
7
DB
0
~ DB
7
220
40
10
60
10
Min
500
25
25
Typ
Max
Unit
ns
ns
ns
ns
ns
ns
ns
ns
RS
V
IH 1
V
IL 1
t
S U 1
V
IH 1
V
IL 1
t
H 1
R /W
V
IL 1
t
H 1
t
W
V
IL 1
E
V
IL 1
t
R
t
S U 2
t
H 2
V
IH 1
D B
0
~ D B
7
V
IL 1
t
C
V al D ata
id
V
IH 1
V
IL 1
(2) Read mode (Reading data from IZ0066 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
t
C
t
R
t
F
t
W
t
SU1
t
H1
t
D
t
H2
Test pin
E
E
E
E
R/W, RS
R/W, RS
DB
0
~ DB
7
DB
0
~ DB
7
20
220
40
10
120
Min
500
25
25
Typ
Max
Unit
ns
ns
ns
ns
ns
ns
ns
ns
4
4
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