MTG-12232D
GENERAL SPECIFICATION
Item
Number of Character
Module Size
Viewing Area
Dot Size/Dot Pitch
Backlight
Options
Built-In Controller
122x32
59.0(W)x29.3(H)x5.5(D)mm Max
52.0(W)x15.0(H)mm
0.345(W)x0.345(H)mm/0.375(W)x0.375(H)mm
Without/LED
Gray STN/Yellow STN, Extended Temperature,
Bottom Viewing
SED1520DAA
INTERFACE PIN ASSIGNMENT
Content
Pin No. Pin Out
1
2
3
V
SS
V
DD
V
O
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. Ao=1: DB0~DB7 are Display Data
input/output.
Chip select signal for the left half of the screen.
Active Low
Chip select signal for the right half of the screen.
Active Low
An external 2k Hz clock input.
Read, active Low for 80 series
Write, active Low for 80 series
4
A
O
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
/WR
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
-
4.0
-
-
-
Typ
5.0
0 . 2 V
DD
V
DD
-
4.3
-
0.6
45
Max. Unit note
7.0
-
-
-
4.6
-
1.1
mA
60
-
Volt
-
Volt
Volt
-
Volt
-
6
7
8
9
10~17
18
19
20
V
DD
- V
O
T a = 2 5
擄C
T a = 5 0
擄C
DB0~DB7 3-state I/O data bus.
RES
LED A
Power supply for LED backlight
LED K
Reset signal
I
DD
( L E D
B/L OFF)
I
EE
( L E D
B/L ON)
V
DD
= 5 . 0 V
V
DD
- V
O
= 4 . 3 V
FLM=64Hz
V
LED
= 4 . 2 V
BLOCK DIAGRAM
POWER SUPPLY
MECHANICAL
1
