Mitsubishi AA121SK22, AA121SK22_0 Specification
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PRELIMINARY
ECR # REV. HIST. DESCRIPTION APPROVED DATE
A First release Allen Houck 11/28/01
TECHNICAL SPECIFICATION
AA121SK22
12.1-
INCH SVGA
I
NDUSTRIAL APPLICATIONS
A
PPROVALS DATE
ENG. ALLEN HOUCK 11/28/01
MKTG. DALE MAUNU
ADI
11/28/01
F
OR
OPTREX CORPORATION
TFT-LCD MODULE
12.1-
INCH SVGA COLOR
AA121SK22
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NO. ITEM PAGE
— COVER 1
— TABLE OF CONTENTS 2
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PRELIMINARY
TABLE OF CONTENTS
1 OVERVIEW 3
2 ABSOLUTE MAXIMUM RATINGS 4
3 ELECTRICAL CHARACTERISTICS 4, 5, 6
4 INTERFACE PIN CONNECTION 7, 8
5 INTERFACE TIMING 9, 10, 11
6 BLOCK DIAGRAM 12
7 MECHANICAL SPECIFICATION 13, 14
8 OPTICAL CHARACTERISTICS 15, 16
9 RELIABILITY TEST CONDITION 17
11
HANDLING PRECAUTIONS FOR TFT-LCD
MODULE
18, 19
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PRELIMINARY
1. OVERVIEW
1.1. Description: The AA121SK22 is a 12.1-inch color TFT-LCD (Thin Film Transistor Liquid Crystal
Display) module composed of a LCD panel, driver ICs, a control circuit, and a backlight. Input power
voltage is either 3.3 or 5.0 V, not including power for the backlight. Both 3.3V-CMOS and
5.0V-CMOS levels are acceptable for logic input. Data and control signal interface is digital CMOS.
The display module supports 262,144 colors by applying 18 bits digital data (6 bits per sub pixel,
RGB). The display module resolution is 800 × 600 pixels. Inverter for backlight is not included in this
module.
1.2. General specifications summary table:
ITEM SPECIFICATION
Display Area (mm)
Number of Pixels
Pixel Pitch (mm)
Color Pixel Arrangement RGB Vertical Stripe
Number of colors 260 K (6 bits/color)
Wide Viewing Angle Technology Optical Compensation Film
Surface Treatment Anti-glare and Hard-coating 3H
Electrical Interface CMOS(VI=3~5V)
Optimum Viewing Angle (Contrast) 6 o’clock
Module Size (mm)
Module Mass (g) 740
1.3. Product Disclaimer
The LCD products listed in this document are not suitable for safety related applications that do not
have redundant back-up system(s). These LCD products are not designed for use as a single source
safety related application, and are not recommended for applications in
environment may be affected in the event of the failure of the LCD product. The LCD products should
not be used in such things as:
(i) aircraft navigation or aerospace equipment;
(ii) nuclear reactor control systems;
(iii) any application where
life support systems); or
(iv) military and submarine critical systems.
The LCD products are designed for typical industrial applications such as, but not are limited to the
following: computers, office
measurement devices, communication equipment, point of sale, medical imaging, automotive, and
various other consumer products. If there are any questions regarding the use, ability or application
of these LCD products,
246.0(H) × 184.5 (V)
(12.106-inch diagonal)
800 (H) × 600 (V)
0.3075(H) × 0.3075 (V)
Display Mode Normally White TN
Luminance 300(cd/m 2) (Typ.)
Viewing Angle
Backlight Unit 2 replaceable CCFLs edge-light
failure or inaccuracy might cause death or personal injury (e.g.,
equipment, industrial controllers, audio and visual equipment, test and
please contact an authorized sales representative.
−60 ~ 60° (H), −50 ~ 40° (V) (Typ.)
280.0 (W) × 210.0 (H) × 12.0 (D)
(top)
which human life and/or
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2. ABSOLUTE MAXIMUM RATINGS
2.1. Summary Table:
ITEM SYMBOL MIN MAX UNIT
Power Supply Voltage for LCD VCC 0 6.0 V
Logic Input Voltage VI 0 6.5 V
Operation Temperature *2.2) Top 0 50 °C
Storage Temperature *2.2) T
stg
−20
60 °C
2.2. Note:
T
T
≤ 40°C: 90%RH max. without condensation
op, Tstg
> 40°C: Absolute humidity shall be less than the value of 90%RH at 40°C without
op, Tstg
condensation.
3. ELECTRICAL CHARACTERISTICS
3.1. Conditions: TFT-LCD module ambient temperature is 25°C
3.2. Summary table:
ITEM SYMBOL MIN Typ. MAX UNIT Remarks
3.3V powered VCC 3.0 3.3 3.6 V Power Supply
Voltage for LCD
Power Supply
Current LCD
5.0V powered V
3.3V powered ICC — 335 430 mA
5.0V powered I
Permissive Input
Ripple Voltage
Logic Input
Voltage
High VIH 2.0 — 5.25 V
Low V
3.3. Backlight
3.3.1. This Backlight has two lamps. The table below shows data for both two lamps.
3.3.2. The TFT-LCD module has four identical lamps operated independently.
3.3.3. Operation of all lamps is required in order to meet all the parameters in
ITEM SYMBOL MIN TYP MAX UNIT Remarks
4.75 5.0 5.25 V
CC
— 235 340 mA
CC
— — 100 mVp-p VCC=+3.3/5.0V
V
RP
0 — 0.8 V
IL
the AA121SK22 specification.
Section 3.4.
Section 3.4.
Lamp Voltage V
Lamp Current IL
Inverter Frequency FI 30
Starting Lamp
Voltage
— 600 — V IL=10.0mA
L
6.0
(3.0mA/Lamp)
1000
V
S
1200
10.0
(5.0mA/Lamp)
—
— —
12.0
(6.0mA/Lamp)
60 kHz
mA Section 3.4.
V
V
— —
Lamp Life Time TL 50000 — — h
3.4. Notes
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Ta=0°C
Ta=25°C
I
=10.0mA
L
Continuous
Operation
Section 3.4.
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3.4.1. Power and Signals sequence :
t0 ≤ 1ms 0 < t4 ≤ 50ms
t1 ≤ 15ms 400ms ≤ t5
0 < t2 ≤ 200ms 200ms ≤ t6
0 < t3 ≤ 1sec 0 < t7
3.4.1.1. 3.3V powered
3.0V
2.1V
1.7V
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Vcc
DCLK, HD, VD, DENA
RGB Data
3.0V
0.5V
3.4.1.2. 5.0V powered
1.7V
3.4.2. V
-dip conditions :
CC
3.4.2.1. 3.3V powered
1) When 2.7V ≤ V
td ≤ 10ms
2) When V
V
< 2.7V
CC
-dip conditions should also follow the Power and Signals sequence.
CC
t1 t2 t3
t0
Backlight
t6 t7
4.5V
2.1V
t1 t2 t3
t0
< 3.0V
CC
DCLK, HD, VD, DENA
Vcc
RGB Data
Backlight
t6 t7
t4
4.5V
t4
0.5V
t5
1.7V
t5
VCC
3.0V
2.7V
td
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3.4.2.2. 5.0V powered
1) When 4.2V ≤ V
td ≤ 10ms
2) When V
V
< 4.2V
CC
-dip conditions should also follow the Power and Signals sequence.
CC
3.4.3. Test condition for I
64 gray-bar pattern
600 line mode
= +3.3 / 5.0V, fH=37.9kHz, fV=60.3Hz, f
V
CC
3.4.4. Please do not supply 3.6~4.75V constantly as Power Supply Voltage for LCD.
The condition is shown as t1 ≤ 15ms.
3.4.5. Lamp current measurement method (The current meter is inserted in low voltage line)
< 4.5V
CC
Typical:
CC
td
=40MHz
CLK
4.2V
VCC
4.5V
LCD
Module
CTL
CTH
CTH
A
Inverter
Power
Supply
3.4.6. The operating frequency of the backlight inverter may produce interference with horizontal
synchronous frequency. This may cause a horizontal ‘beat’ to be visible on the display. To avoid this
phenomenon, please adjust backlight inverter frequency and keep the inverter as far
from module
(physically) as possible. Use of shielding between the backlight inverter and the display module is
also effective to reduce interference.
3.4.7. Lamp life time is defined as the time either when the luminance becomes 50% of the initial value
under the standard condition, or when the starting lamp voltage does not meet the value specified in
this table.
3.4.8. The life time of the backlight depends on the ambient temperature. The life time will decrease under
low/high temperature.
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4. INTERFACE CONNECTORS PIN ASSIGNMENT
4.1. Input connector type (See paragraph 6.)
4.2. Input connector pin assignment table:
4.2.1. Input connector CN1 : DF9B-41P-1V (Hirose)
Corresponding connector : DF9B-41S-1V (Hirose)
PIN NO. SYMBOL FUNCTION
1 GND Signal Ground
2 DCLK Pixel clock
3 GND Signal Ground
4 HD Horizontal sync
5 VD Vertical sync
6 GND Signal Ground
7 GND Signal Ground
8 GND Signal Ground
9 R0 Red data(LSB)
10 R1 Red data
11 R2 Red data
12 GND Signal Ground
13 R3 Red data
14 R4 Red data
15 R5 Red data(MSB)
16 GND Signal Ground
17 GND Signal Ground
18 GND Signal Ground
19 G0 Green data(LSB)
20 G1 Green data
21 G2 Green data
22 GND Signal Ground
23 G3 Green data
24 G4 Green data
25 G5 Green data(MSB)
26 GND Signal Ground
27 GND Signal Ground
28 GND Signal Ground
29 B0 Blue data(LSB)
30 B1 Blue data
31 B2 Blue data
32 GND Signal Ground
33 B3 Blue data
34 B4 Blue data
35 B5 Blue data(MSB)
36 GND Signal Ground
37 DENA Data enable
38 NC Not Connected
39 VCC +3.3/5.0V Power supply
40 VCC +3.3/5.0V Power supply
41 TEST This pin should be open. Test signal output for only internal test use.
*Note: The metal frame of the TFT-LCD module is connected to ground.
Top view of input connector pin
assignment
1
41
2
40
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