AZ DISPLAYS, INC.
COMPLETE LCD SOLUTIONS
SPECIFICATIONS FOR
LIQUID CRYSTAL DISPLAY
PART NUMBER: ACM1602B (WHITE EDGELIGHT) SERIES
DATE: APRIL 28, 2003
ACM1602B(WHITE EDGELIGHT) SERIES LCD MODULE
AZ DISPLAYS, INC. 4/28/03 1
1.0 MECHANICAL SPECS
1. Overall Module Size 84.0mm(W) x 44.0mm(H) x max 13.5mm(D) for LED edgelight
version
2. Dot Size 0.56mm(W) x 0.61mm(H)
3. Dot Pitch 0.61mm(W) x 0.66mm(H)
4. Duty 1/16
5. Controller IC KS0066
6. LC Fluid Options TN, STN
7. Polarizer Options Transflective, Transmissive
8. Backlight Options LED (WHITE)
9. Temperature Range Options Standard ( 0ºC ~ 50ºC),Wide(-20ºC ~ 70ºC)
2.0 ABSOLUTE MAXIMUM RATINGS
Item Symbol Min Typ Max Unit
Operating temperature (Standard) Top 0 - 50 ºC
Storage temperature (Standard) Tst -20 - 70 ºC
Operating temperature (Wide temperature) Top -20 - 70 ºC
Storage temperature (Wide temperature) Tst -30 - 80 ºC
Input voltage Vin Vss Vdd V
Supply voltage for logic Vdd- Vss 2.7 - 5.5 V
Supply voltage for LCD drive Vdd- Vo 3.0 4.6 6.5 V
ACM1602B(WHITE EDGELIGHT) SERIES LCD MODULE
AZ DISPLAYS, INC. 4/28/03 2
3.0 ELECTRICAL CHARACTERISTICS
Item Symbol Condition Min Typ Max Unit
Input voltage (high) Vih H level 2.2 - Vdd V
Input voltage (low) Vil L level 0 - 0.6 V
0°C - 4.8 5.4
25°C 4.2 4.6 -
Recommended LC Driving
Voltage (Standard Temp)
Vdd - Vo
50°C 3.9 4.3 -
V
-20°C - 6.4 7.2
0°C - 4.8 -
50°C - 4.2 -
Recommended LC Driving
Voltage (Wide Temp)
Vdd -Vo
70°C 3.5 4.0 -
V
Power Supply Current Idd Vdd=5.0V,
fosc=270kHz
- 0.8 1.8 mA
Power Supply Voltage for LED VLED R=75Ω, - 5.0V 5.3V
If =20mA
4.0 OPTICAL CHARACTERISTICS (Ta=25°C, Vdd= 5.0V ± 0.25V, TN LC fluid)
Item Symbol Condition Min Typ Max Unit
Viewing angle (horizontal) θ Cr ≥ 4.0 -25 - - deg
Viewing angle (vertical) φ Cr ≥ 4.0 -30 - 30 deg
Contrast Ratio Cr φ=0°, θ=0° - 2 -
Response time (rise) Tr φ=0°, θ=0° - 120 150 ms
Response time (fall) Tf φ=0°, θ=0° - 120 150 ms
V
ACM1602B(WHITE EDGELIGHT) SERIES LCD MODULE
AZ DISPLAYS, INC. 4/28/03 3
4.1 OPTICAL CHARACTERISTICS (Ta=25ºC, Vdd= 5.0V±0.25V, STN LC fluid)
Item Symbol Condition Min Typ Max Unit
Viewing angle (horizontal) θ Cr ≥ 2.0 -60 - 35 deg
Viewing angle (vertical) φ Cr ≥ 2.0 -40 - 40 deg
Contrast Ratio Cr φ=0°, θ=0° - 6 -
Response time (rise) Tr φ=0°, θ=0° - 150 250 ms
Response time (fall) Tf φ=0°, θ=0° - 150 250 ms
5.0 BLOCK DIAGRAM
LCD 16 X 2
U2
U1
SEG1- 40 SEG41- 80
SEG 1 SEG 80
COM 16
8
LED EDGELIGHT
1. Vss
2. Vdd
3. Vo
4. RS
5. R/W
6. E
7. DB0
14. DB7
~
BL+
BL-
40 40
16 COM 1
COM16
ACM1602B(WHITE EDGELIGHT) SERIES LCD MODULE
AZ DISPLAYS, INC. 4/28/03 4
6.0 PIN ASSIGNMENT 7.0 POWER SUPPLY
Pin No. Symbol Function
1 Vss Ground
2 Vdd +5V
3 Vo LCD contrast adjust
4 RS Register select
5 R/W Read / write
6 E Enable
7 DB0 Data bit 0
8 DB1 Data bit 1
9 DB2 Data bit 2
10 DB3 Data bit 3
11 DB4 Data bit 4
12 DB5 Data bit 5
13 DB6 Data bit 6
14 DB7 Data bit 7
- BL- Power Supply for BL-
+ BL+ Power Supply for BL+
8.0 TIMING CHARACTERISTICS
Item Symbol Test Condition Min. Typ. Max. Unit
Enable cycle time tC Fig. a, Fig. b 500 - - ns
Enable pulse width tW Fig. a, Fig. b 220 - - ns
Enable rise/fall time tR , tF Fig. a, Fig. b - - 25 ns
RS, R/W set up time tSU Fig. a, Fig. b 40 - - ns
RS, R/W hold time tH Fig. a, Fig. b 10 - - ns
Data delay time tD Fig. b - - 120 ns
Data set up time tDSU Fig. a 60 - - ns
Data hold time tDH Fig. a, Fig. b 20 - - ns
Vss
Vo
Vdd
Vr +5V
STANDARD TEMP RANGE
Vss
Vo
Vdd
Vr +5V
WIDE TEMP RANGE
-5V
Vr = 10KΩ ~ 20KΩ
ACM1602B(WHITE EDGELIGHT) SERIES LCD MODULE
AZ DISPLAYS, INC. 4/28/03 5
VIH1
VIL1
VIL1
IH1
IL1
V
VVIH1
VIL1
VIL1
VIH1
IL1
V
VIH1
IL1
V
Valid Data
tSU tH
tWtH
tF
tRtDSU tDH
tC
RS
R/W
E
DB0~DB7
VIL1
VIH1
VIL1
Fig. a Interface timing (data write)
VIH1
VIL1
VIH1
IH1
IL1
V
VVIH1
VIL1
VIH1
VIH1
IL1
V
VIH1
IL1
V
Valid Data
tSU tH
tWtH
tF
tRtDSU tDH
tC
RS
R/W
E
DB0~DB7
VIL1
tD
VIH1
IL1
V
Fig. b Interface timing (data read)
9.0 MECHANICALDIAGRAM
AZ DISPLAYS, INC.
ACM1602B(WHITE EDGELIGHT) SERIES LCD MODULE
AZ DISPLAYS, INC. 4/28/03 7
10.0 RELIABILITY TEST
Evaluations and Assessment*
Storage Condition Content Current
Consumption Oozing Contrast Other Appearances
Operation at high
temperature and
humidity
40ºC,90%
RH,240hrs Twice initial
value or less none More than 80% of
initial value No abnormality
High temperature
storage 60ºC,
240hrs Twice initial
value or less none More than 80% of
initial value No abnormality
Low temperature
storage -20ºC,
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 (25ºC±5ºC).
*The LCDs subjected to the test must not have dew condensation.
ACM1602B(WHITE EDGELIGHT) SERIES LCD MODULE
AZ DISPLAYS, INC. 4/28/03 8
11.0 DISPLAY INSTRUCTION TABLE
COMMAND
R
S
R/
W
DB
7
DB
6
DB
5
DB
4
DB
3
DB
2
DB
1
DB
0
DESCRIPTION
Executing
time
fosc=250khz
Clear Display
0
0
0
0
0
0
0
0
0
1
Clears Display & Returns to Address 0.
1.64ms
Cursor at
Home
0
0
0
0
0
0
0
0
1
x
Returns Cursor to Address 0. Also
returns the display being shifted to the
original position. DDRAM contents
remain unchanged.
1.64ms
Entry Mode
Set
0
0
0
0
0
0
0
1
I/D
S
I/D: Set Cursor Moving Direction
I/D=1: Increment
I/D=0: Decrement
S: Specify Shift of Display
S=1: The display is shifted
S=0: The display is not shifted
40µs
Display
ON/OFF
Control
0
0
0
0
0
0
1
D
C
B
Display D=1: Display on
D=0: Display off
Cursor C=1: Cursor on
C=0: Cursor off
Brink B=1: Brink on
B=0: Brink off
40µs
Cursor /
Display
Shift
0
0
0
0
0
1
S/C
R/L
x
x
Moves cursor or shifts the display w/o
changing DD RAM contents
S/C=0: Cursor Shift (RAM unchanged)
S/C=1: Display Shift (RAM unchanged)
R/L=1: Shift to the Right
R/L=0: Shift to the Left
40µs
Function
Set
0
0
0
0
1
DL
N
F
x
x
Sets data bus length (DL), # of display
lines (N), and character fonts (F).
DL=1: 8 bits F=0: 5x7 dots
DL=0: 4 bits F=1: 5x10 dots
N=0: 1 line display
N=1: 2 lines display
40µs
Set CG RAM
Address
0
0
0
1
Character Generator (CG) RAM
Address
Sets CG RAM address. CG RAM data
is sent and received after this
instruction.
40µs
Set DD RAM
Address
0
0
1
Display Data (DD) RAM Address /
Cursor Address
Sets DD RAM address. DD Ram data is
sent and received after this instruction.
40µs
Busy Flag /
Address Read
0
1
B
F
Address counter used for both DD &
CG RAM address
Reads Busy Flag (BF) and address
counter contents.
40µs
Write Data
1
0 Write Data
Writes data into DDRAM or CGRAM.
46µs
Read Data
1
1 Read Data
Reads data from DDRAM or CGRAM.
46µs
x: Don't Care.
ACM1602B(WHITE EDGELIGHT) SERIES LCD MODULE
AZ DISPLAYS, INC. 4/28/03 9
12.0 STANDARD CHARACTER PATTERNS
Note: The character generator RAM is the RAM with which the user can rewrite character patterns by program.
