Datasheet ACM2402C-RLYW-T, ACM2402C-RLYS-T, ACM2402C-RLYD-T, ACM2402C-RLTW-T, ACM2402C-RLTS-T Datasheet (AZDIS)

AZ DISPLAYS, INC.

COMPLETE LCD SOLUTIONS

SPECIFICATIONS FOR

LIQUID CRYSTAL DISPLAY

PART NUMBER: ACM 2402C SERIES
DATE: August 9, 1999

ACM2402C SERIES LCD MODULE

AZ DISPLAYS, INC. 08/09/99

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1.0 MECHANICAL SPECS

1. Overall Module Size 118.0mm(W) x 36.0mm(H) x max 14.0mm(D) for LED backlight
version

118.0mm(W) x 36.0mm(H) x max 9.5mm(D) for reflective
version

2. Dot Size 0.60mm(W) x 0.65mm(H)

3. Dot Pitch 0.65mm(W) x 0.70mm(H)

4. Duty 1/16

5. Controller IC KS0066

6. LC Fluid Options TN, STN

7. Polarizer Options Reflective, Transflective, Transmissive

8. Backlight Options LED

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 -10 - 60 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

ACM2402C SERIES LCD MODULE

AZ DISPLAYS, INC. 08/09/99

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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

0ºC - 4.8 5.4

25ºC 4.2 4.6 -

Recommended LC Driving
Voltage (Standard Temp)

Vdd - Vo

50ºC 3.9 4.3 -

V

-20ºC - 6.4 7.2
0ºC - 4.8 -

50ºC - 4.3 -

Recommended LC Driving
Voltage (Wide Temp)

Vdd -Vo

70ºC 3.6 4.1 -

V

Power Supply Current Idd

Vdd=5.0V,

fosc=270kHz

- 0.5 1.0 mA

LED Power Supply Voltage Vfled R=6.8Ω - 4.6 5.0 V
LED Power Supply Current Ifled R=6.8Ω - 150 300 mA

4.0 OPTICAL CHARACTERISTICS (Ta=25ºC, 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

ACM2402C SERIES LCD MODULE

AZ DISPLAYS, INC. 08/09/99

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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 24 X 2

U2

U1

SEG1- 40

SEG41- 120

SEG 1 SEG 120

COM 16

8

LED BACKLIGHT

1. Vss

2. Vdd

3. Vo

4. RS

5. R/W

6. E

7. DB0

14. DB7

~

40 80

16

COM 1

COM16

15/+ BL+

16/- BL-

ACM2402C SERIES LCD MODULE

AZ DISPLAYS, INC. 08/09/99

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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

15/+ BL+ Power Supply for BL+

16/-

BL- Power Supply for BL-

8.0 TIMING CHARACTERISTICS

Item Symbol Test Condition Min. Typ. Max. Unit

Enable cycle time t

C Fig. a, Fig. b

500 - - ns

Enable pulse width t

W

Fig. a, Fig. b

220 - - ns

Enable rise/fall time tR , t

F

Fig. a, Fig. b

- - 25 ns

RS, R/W set up time t

SU

Fig. a, Fig. b

40 - - ns

RS, R/W hold time t

H

Fig. a, Fig. b

10 - - ns

Data delay time

t

D Fig. b

- - 120 ns

Data set up time t

DSU

Fig. a

60 - - ns

Data hold time t

DH

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

ACM2402C SERIES LCD MODULE

AZ DISPLAYS, INC. 08/09/99

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VIH1

VIL1

VIL1

IH1

IL1V

V

V

IH1

VIL1

VIL1

VIH1

IL1

V

V

IH1

IL1

V

Valid Data

tSU

tH

tW tH

tF

t

R

tDSU tDH

tC

RS

R/W

E

DB0~DB7

VIL1

VIH1

VIL1

Fig. a Interface timing (data write)

VIH1

VIL1

VIH1

IH1

IL1V

V

V

IH1

VIL1

VIH1

VIH1

IL1

V

V

IH1

IL1

V

Valid Data

tSU

tH

tW t

H

t

F

tR

tDSU

tDH

tC

RS

R/W

E

DB0~DB7

V

IL1

tD

VIH1

IL1

V

Fig. b Interface timing (data read)

ACM2402C SERIES LCD MODULE

AZ DISPLAYS, INC. 08/09/99

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9.0 MECHANICAL DIAGRAM

ACM2402C SERIES LCD MODULE

AZ DISPLAYS, INC. 08/09/99

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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.

ACM2402C SERIES LCD MODULE

AZ DISPLAYS, INC. 08/09/99

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11.0 DISPLAY INSTRUCTION TABLE

COMMAND RSR/WDB7DB6DB5DB4DB3DB2DB1DB

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 BFAddress 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.

ACM2402C SERIES LCD MODULE

AZ DISPLAYS, INC. 08/09/99

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12.0 STANDARD CHARACTER PATTERNS

Note: The character generator RAM is the RAM with which the user can rewrite character patterns by program.