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Электронный компонент: IZ0066

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DOT MATRIX LCD CONTROLLER & DRIVER IZ0066
1
1
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(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
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 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
CGROM
IZ0066 - 00
English
Numberal
Japanese
IZ0066 - 01
English
Numberal
Cyrillic
IZ0066 - XX
Custom font (XX - ROM code)
ABSOLUTE MAXIMUM RATINGS
Characteristic
Symbol
Value
Unit
Power Supply Voltage
V
DD
- 0.3 ~ 7.0
V
Driver Supply Voltage
V
1
~ V
5
V
DD
- 13.5 ~ V
DD
+ 0.3
V
Input Voltage
V
I
-0.3 ~V
DD
+ 0.3
V
Operating Temperature
T
a
- 20 ~ + 75
o
C
Storage Temperature
T
stg
- 55 ~ + 125
o
C
Notes: Must keep the relation of V
DD
V
1
V
2
V
3
V
4
V
5
DOT MATRIX LCD CONTROLLER & DRIVER IZ0066
2
2
BLOCK DIAGRAM
P arallel/S erial
D ata con v ersion
C ircu it
C h aracter
G en erator
R O M
832 0 b its
C h aracter
G en erator
R A M
512 b its
C u rsor
B lin k
C on trol
C ircu it
D isp lay
D ata R A M
80 x 8 b its
D
T im in g
G en eration
C ircu it
16 - b it
S h ift
R egister
C om m on
S ig n al
D riv er
D ata
R egister
In stru ction
R egister
In stru ction
D ecod er
A d d ress
C ou n ter
I/O
B u ffer
B u sy
F lag
V 1
V 4
V 5
V 3
V 2
P ow er
su p p ly
for
L C D
D riv e
O S C 1
O S C 2
V
S S
V
D D
E
R S
R /W
D B ~D B
0
3
D B ~D B
4
7
4
5
5
4
8
8
8
8
7
7
7
7
16
16
7
4 0 - b it
S h ift
R e g ister
4 0 - b it
L a tch
C ircu it
S e g m en t
S ig n a l
D riv e r
4 0
4 0
4 0
7
8
8
C L K 1
C L K 2
M
C O M 1
to
C O M 16
S E G 1
to
S E G 40
DOT MATRIX LCD CONTROLLER & DRIVER IZ0066
3
3
ELECTRICAL CHARACTERISTICS
(Ta = 25
o
C, V
DD
= +5V, V
SS
= 0V unless otherwise specified)
Characteristic
Symbol
Test Condition
Applicable
Terminals
Min
Typ
Max
Unit
Operating Voltage
V
DD
4.5
5.5
V
Operating Current (*1)
I
DD
Internal oscillation or external
clock f
OSC
= 270KHz
0.35
0.6
HIGH Input Voltage
V
IH
E, DB
0
~ DB
7
, R/W,
RS
2.2
V
DD
V
OSC1
V
DD
-1.0
V
DD
LOW Input Voltage
V
IL
E, DB
0
~ DB
7
, R/W,
RS
-0.3
0.6
V
OSC1
-0.2
1.0
HIGH Output Voltage
V
OH
I
OH
= -0.205 mA
DB
0
~ DB
7
2.4
V
I
OH
= -40
A
CLK1, CLK2, M, D
0.9V
DD
LOW Output Voltage
V
OL
I
OL
= 1.2mA
DB
0
~ DB
7
0.4
V
I
OL
= 40
A
CLK1, CLK2, M, D
0.1V
DD
Driver Voltage Descending
V
COM
I
O
=
0.1mA
COM1 ~ COM16
1.0
V
V
SEG
SEG1 ~ SEG40
1.0
Input Leakage Current
I
LKG
V
IN
=0V ~ V
DD
E
-1
1
A
Input LOW Current
I
IL
V
CC
= 5V (test pull up R)
RS, R/W, DB
0
~
DB
7
-50
-125
-250
A
Frequency(*1)
f
EC
125
250
350
KHz
External
Duty
DUTY
OSC1
46
50
55
%
Clock
Rise time
t
R
0.2
s
Fall time
t
F
0.2
s
Internal Clock Frequency(*1)
f
OSC1
Rf
= 91K
2%
OSC1, OSC2
190
270
350
KHz
Ceramic Resonator Oscillation
Frequency (*1)
f
OSC2
245
250
255
LCD Driving Voltage (*2)
V
LCD1
V
DD
- V
5
1/5 bias
V
1
~ V
5
4.6
10.0
V
V
LCD2
1/4 bias
3.0
10.0
Notes: *1). Oscillation circuit
Resistor circuit
External clock circuit
*2). Input the voltage listed in table below to V
1
~ V
5
Duty
1/8, 1/11
1/16
Bias
Power supply
1/4
1/5
V
1
V
DD
- V
LCD
/4
V
DD
- V
LCD
/5
V
2
V
DD
- V
LCD
/2
V
DD
- 2V
LCD
/5
V
3
V
DD
- V
LCD
/2
V
DD
- 3V
LCD
/5
V
4
V
DD
- 3V
LCD
/4
V
DD
- 4V
LCD
/5
V
5
V
DD
- V
LCD
V
DD
- V
LCD
*V
LCD
is the LCD driving voltage, refer to the initial set of the instruction code.
O S C 1
O S C 2
op en
F req u en cy inp u t
O S C 1
R f
R f: 91k
+ 2%
O S C 2
DOT MATRIX LCD CONTROLLER & DRIVER IZ0066
4
4
AC CHARACTERISTICS
(V
DD
= 5V, V
SS
= 0V, Ta = 25
o
C)
(1) Write mode (Writing data from MPU to IZ0066)
Characteristic
Symbol
Test pin
Min
Typ
Max
Unit
E Cycle Time
t
C
E
500
ns
E Rise Time
t
R
E
25
ns
E Fall Time
t
F
E
25
ns
E Pulse Width (High, Low)
t
W
E
220
ns
R/W and RS Set-up Time
t
SU1
R/W, RS
40
ns
R/W and RS Hold Time
t
H1
R/W, RS
10
ns
Data Set-up Time
t
SU2
DB
0
~ DB
7
60
ns
Data Hold Time
t
H2
DB
0
~ DB
7
10
ns
(2) Read mode (Reading data from IZ0066 to MPU)
Characteristic
Symbol
Test pin
Min
Typ
Max
Unit
E Cycle Time
t
C
E
500
ns
E Rise Time
t
R
E
25
ns
E Fall Time
t
F
E
25
ns
E Pulse Width (High, Low)
t
W
E
220
ns
R/W and RS Set-up Time
t
SU1
R/W, RS
40
ns
R/W and RS Hold Time
t
H1
R/W, RS
10
ns
Data Output Delay Time
t
D
DB
0
~ DB
7
120
ns
Data Hold Time
t
H2
DB
0
~ DB
7
20
ns
R S
R / W
E
D B ~ D B
0
7
V
IH 1
V
IH 1
V
IH 1
V
IH 1
V
IL 1
V
IL 1
V
IL 1
V
IL 1
V
IL 1
V
IL 1
V
IL 1
t
S U 1
t
S U 2
t
W
t
H 1
t
H 1
t
H 2
t
R
t
C
V alid D ata
DOT MATRIX LCD CONTROLLER & DRIVER IZ0066
5
5
(3) Interface mode with IZ0065
Characteristic
Symbol
Test pin
Min
Typ
Max
Unit
Clock Pulse Width High
t
WCKH
CLK
800
ns
Clock Pulse Width Low
t
WCKL
CLK
800
ns
Data Set-up Time
t
SU
D
300
ns
Data Hold Time
t
DH
D
300
ns
Clock Set-up Time
t
CSU
CLK
500
ns
M Delay Time
t
DM
M
-1000
1000
ns
R S
R / W
E
D B ~ D B
0
7
V
IH 1
V
IH 1
V
IH 1
V
IH 1
V
IH 1
V
IL 1
V
IL 1
V
IL 1
V
IL 1
V
IL 1
V
IL 1
V
IL 1
V
IL 1
t
S U
t
W
t
H
t
H
t
D H
t
D
t
R
t
C
V alid D ata
t
F
C L K 1
C L K 2
D
M
0.9V
D D
0.9V
D D
0.9V
D D
0.9V
D D
0.1V
D D
0.1V
D D
0.1V
D D
0.1V
D D
0.1V
D D
0.9V
D D
0.9V
D D
0.9V
D D
t
S U
t
D M
t
D M
t
W C K 1
t
C S U
t
C S U
t
W C K H
t
W C K H