MTG-12232B
GENERAL SPECIFICATION
Item
Number of Character
Module Size
Viewing Area
Dot Size/Dot Pitch
Backlight
Options
Built-in Controller
122x32
80.0(W)x36.0(H)x10.0/15.0(D)mm Max
60.5(W)x18.5(H)mm
0.42(W)x0.47(H)mm/0.44(W)x0.49(H)mm
Without/EL/LED
Gray STN/Yellow STN/Normal/Extended
Temperature/Bottom/Top Viewing
none
INTERFACE PIN ASSIGNMENT
Content
Pin No. Pin Out
1
2
3
V
SS
V
DD
V
EE
GND
Function Description
Logic supply voltage
LCD driver supply voltage
Display Data/Display commands switching input.
Ao=0: DB0~DB7 are command input and status
output, A0=1: DB0~DB7 are Display Data
input/output.
Chip select for the left half of the screen. Active Low
Chip select for the right half of the screen. Active Low
External clock input (typ. 2KHz)
/RD for 80 series, E for 68 series
4
Ao
ELECTRICAL CHARACTERISTICS
Item
Power
Supply
for Logic
Input
Voltage
LCM
Recommend
LCD Module
Driving
Voltage
Power
Supply
Current for
LCM
5
CS1
CS2
CL
/RD(E)
Symbol
V
DD
- V
SS
V
IL
V
IH
Condition
-
L level
H level
T a = 0
擄C
Min.
2.4
V
SS
0 . 8 V
DD
5.5
5.35
4.8
-
Typ
5.0
0 . 2 V
DD
V
DD
5.68
5.54
5.0
0.6
Max. Unit note
6
7.0
-
-
5.9
5.75
5.2
1.1
mA
-
20
BKL2
Volt
-
Volt
Volt
Volt
-
7
-
8
9
10~17
18
19
/WR(R/W) /WR for 80 series, R/W for 68 series
DB0~DB7
RES
BKL1
3 state I/O Data Bus
Reset, H for 80 series, L for 68 series
Power supply for backlight. 100V/400Hz AC for EL,
4.2V or 120~180mA DC for LED backlight. Don't care
if no backlight
V
DD
- V
EE
T a = 2 5
擄C
T a = 5 0
擄C
I
DD
( L E D
B/L OFF)
I
EE
( L E D
B/L ON)
V
DD
= 5 . 0 V
V
DD
- V
EE
= 5 . 5 4 V
FLM=64Hz
V
LED
= 4 . 2 V
-
120
180
BLOCK DIAGRAM
POWER SUPPLY
MECHANICAL
1
