AZ DISPLAYS, INC.
COMPLETE LCD SOLUTIONS
SPECIFICATIONS FOR
LIQUID CRYSTAL DISPLAY
PART NUMBER: AGM 1232G SERIES
DATE: APRIL 26, 2001
AGM1232G SERIES GRAPHIC MODULE
AZ DISPLAYS, INC.
04/26/01
1
1.0 MECHANICAL SPECS
1. Item
Description
2. Overall Module Size
84.0mm(W) x 44.0mm(H) x max 13.0mm(D) for LED backlight
version
84.0mm(W) x 44.0mm(H) x max 9.0mm(D) for reflective version
3. Dot Size
0.40mm(W) x 0.45mm(H)
4. Dot Pitch
0.44mm(W) x 0.49mm(H)
5. Duty
1/32
6. Controller IC
SED1520FOA/DOA
7. LC Fluid Options
STN, FSTN
8. Polarizer Options
Reflective, Transflective, Transmissive
9. Backlight Options
LED
10. Temperature Range Options
Standard (0C ~ 50C), Wide (-20C ~ 70C)
2.0 ABSOLUTE MAXIMUM RATINGS
Item
Symbol
Min
Typ
Max
Unit
Operating temperature (Standard)
Top
0
-
50
C
Storage temperature (Standard)
Tst
-20
-
70
C
Operating temperature (Wide temperature)
Top
-20
-
70
C
Storage temperature (Wide temperature)
Tst
-30
-
80
C
Input voltage
Vin
Vss
Vdd
V
Supply voltage for logic
Vdd- Vss
-0.3
-
7.0
V
Supply voltage for LCD drive
Vdd- Vo
5.0
6.5
9.5
V
AGM1232G SERIES GRAPHIC MODULE
AZ DISPLAYS, INC.
04/26/01
2
3.0 ELECTRICAL CHARACTERISTICS
Item
Symbol
Condition
Min
Typ
Max
Unit
Input voltage (high)
Vih
H level
3.5
-
Vdd
V
Input voltage (low)
Vil
L level
0
-
1.5
V
0 C
-
7.8
10.0
25C
-
6.5
-
Recommended LC Driving
Voltage (Standard Temp)
Vdd - Vo
50C
4.3
5.5
-
V
-20C
-
8.5
10.8
0 C
-
7.8
-
50C
4.3
5.5
-
Recommended LC Driving
Voltage (Wide Temp)
Vdd -Vo
70C
3.5
4.8
-
V
Power Supply Current
Idd
Vdd=5.0V
-
-
13.0
mA
LED Power Supply Voltage
Vfled
R=6.8
-
4.4
5.0
V
LED Power Supply Current
Ifled
R=6.8
-
300
420
mA
AGM1232G SERIES GRAPHIC MODULE
AZ DISPLAYS, INC.
04/26/01
3
4.0 OPTICAL CHARACTERISTICS
Cr (Contrast Ratio)
(Viewing Angle)
(Viewing Angle)
25 C
25 C
25 C
Item
Mode
MIN.
TYP.
MIN
TYP.
MIN
TYP.
A
2.8
3.05
80
85
-
35
B
7.10
7.70
80
85
-
35
R
C
-
-
-
-
-
-
A
2.49
2.99
80
85
-
35
B
7.05
7.55
80
85
-
35
S
C
-
-
-
-
-
-
Note:
R: Reflective
S: Transflective
A: STN Gray
B: STN Yellow
C: FSTN
At:
=0
,
=0
Item
Symbol
Condition
Min
Typ
Max
Unit
Response time (rise)
Tr
25 C
-
80
160
ms
Response time (fall)
Tf
25 C
-
50
100
ms
AGM1232G SERIES GRAPHIC MODULE
AZ DISPLAYS, INC.
04/26/01
4
5.0 BLOCK DIAGRAM
LCD 122x32
U2
U1
SEG1- 61
SEG 1
COM 17-32
8
LED BACKLIGHT
1. Vss
2. Vdd
3. Vo
4. A0
9. R/W
5. E1
10. DB0
17. DB7
~
+/A BL+
-/K BL-
61
COM 1-16
COM 1
COM 16
SEG62- 122
SEG62- 122
COM 17
COM 32
SEG 122
SEG 61
SEG 62
6. E2
Ck
FR
61
20
19
AGM1232G SERIES GRAPHIC MODULE
AZ DISPLAYS, INC.
04/26/01
5
6.0 PIN ASSIGNMENT
Pin No.
Symbol
Function
Level
1
Vss
Ground
-
2
Vdd
Power Supply For Logic Circuit
-
3
Vo
Power Supply For LCD Driving
-
4
A0
Instruction/Data
H/L
5
E1
Enable for IC1
H/L
6
E2
Enable for IC2
H/L
7
NC
8
NC
9
R/W
H: Data read
L: Data write
H/L
10
DB0
Data bit 0
H/L
11
DB1
Data bit 1
H/L
12
DB2
Data bit 2
H/L
13
DB3
Data bit 3
H/L
14
DB4
Data bit 4
H/L
15
DB5
Data bit 5
H/L
16
DB6
Data bit 6
H/L
17
DB7
Data bit 7
H/L
18
RES
Display Reset on active "Low"
19
BL-
Power Supply for BL+
-
20
BL+
Power Supply for BL-
-
H/L
AGM1232G SERIES GRAPHIC MODULE
AZ DISPLAYS, INC.
04/26/01
6
7.0 POWER SUPPLY
8.0 TIMING CHARACTERISTICS
Item
Symbol
Test Condition
Min.
Typ.
Max.
Unit
System cycle time
t
CYC6
Fig. a, Fig. b
1000
-
-
ns
Address setup time
t
AW6
Fig. a, Fig. b
20
-
-
ns
Address hold time
t
AH6
Fig. a, Fig. b
10
-
-
ns
Data hold time
t
DH6
Fig. a
10
-
-
ns
Data setup time
t
DS6
Fig. a
80
-
-
ns
Output disable time
t
OH6
10
-
60
ns
Access time
t
ACC6
C
L
=100 pF
-
-
90
Read
100
Enable pulse
width
Write
T
EW
80
Rise and fall time
T
r,
T
f
Fig. a, Fig. b
-
-
15
ns
AGM1232G SERIES GRAPHIC MODULE
AZ DISPLAYS, INC.
04/26/01
7
V
IH1
V
IL1
V
IH1
IL1
V
V
IH1
IL1
V
Valid Data
t
H
R/W
E
DB0~DB7
V
IH1
V
IL1
A0,CS
IL1
IH1
V
V
V
IH1
t
V
IL1
CYC6
EW
t
t
r
t
f
t
AW6
t
ACC6
t
OH6
t
AH6
t
Fig. a Interface timing (data Read)
Valid Data
CYC6
EW
DS6
DB0~DB7
IL1
V
A0,CS
R/W
E
AW6
IL1
IH1
V
V
IH1
IL1
V
V
t
IH1
V
r
t
t
t
t
IL1
V
AH6
DH6
t
V
IH1
V
IL1
V
IH1
t
f
t
V
IH1
V
IL1
Fig. b Interface timing (data Write)
AGM1232G SERIES GRAPHIC MODULE
AZ DISPLAYS, INC.
04/26/01
8
9.0 RELIABILITY TEST
Evaluations and Assessment*
Storage Condition
Content
Current
Consumption
Oozing
Contrast
Other Appearances
Operation at high
temperature and
humidity
40 C,90%
RH,240hrs
Twice initial
value or less
none
More than 80% of
initial value
No abnormality
High temperature
storage
60 C,
240hrs
Twice initial
value or less
none
More than 80% of
initial value
No abnormality
Low temperature
storage
-20 C,
240hrs
Twice initial
value or less
More than 80% of
initial value
No abnormality
*Evaluations and assessment to be made two hours after returning to room temperature (25 C5 C).
*The LCDs subjected to the test must not have dew condensation.
AGM1232G SERIES GRAPHIC MODULE
AZ DISPLAYS, INC.
04/26/01
9
10.0 MECHANICAL DIAGRAM
AGM1232G SERIES GRAPHIC MODULE
AZ DISPLAYS, INC.
04/26/01
10
11.0 RELATION BETWEEN DISPLAY PATTERN AND DRIVERS
AGM1232G SERIES GRAPHIC MODULE
AZ DISPLAYS, INC.
04/26/01
11
12.0 DISPLAY CONTROL INSTRUCTION
The display control instructions control the internal state of the SED1520DOA/FOA. Instructions are
received from MPU to SED1520DOA/FOA for the display control.
INSTRUCTION
A0
R/W
DB7
DB6
DB5
DB4 DB3 DB2
DB1
DB0
DESCRIPTION
Display ON/OFF
0
0
1
0
1
0
1
1
1
1/0
Turns display on or off.
0: OFF. 1:ON
Set Page Address
0
0
1
0
1
1
1
0
P a g e ( 0 ~ 3 )
Sets display RAM Page in
Page address register
Set Column
(Segment address)
0
0
0
Column address (0~79)
Sets display RAM column
address in column address
register
Display Start
Line
0
0
1
1
0
D i s p l a y s t a r t l i n e ( 0 ~ 3 1 )
Indicates the display data
RAM displayed at the top of
the screen.
Status Read
0
1
BUSY
ADC
ON/OFF
RESET
0
0
0
0
Reads the following status:
BUSY 0: Ready
1: Busy
ADC
1: CW output
0: CCW output
ON/OFF 0: Display on
1: Display off
RESET 0: Normal
1: Being Reset
Write Display Data
1
0
Write Data
Writes data DB0~DB7 from
bus into display data RAM.
Read Display Data
1
1
Read Data
Reads data DB0~DB7 from
display data RAM onto the
data bus.
Select ADC
0
0
1
0
1
0
0
0
0
0/1
0: CW output,1: CCW output
Static drive ON/OFF
0
0
1
0
1
0
0
1
0
0/1
1: Static drive,
0: Normal driving
Select duty
0
0
1
0
1
0
1
0
0
0/1
Select LCD duty cycle
1:1/32, 0: 1/16
Read-Modify-Write
0
0
1
1
1
0
0
0
0
0
Read-Modify-write ON
END
0
0
1
1
1
0
1
1
1
0
Read-Modify-write OFF
Reset
0
0
1
1
1
0
0
0
1
0
Software reset
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