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HMT043ATA-2C
LCD Module User Manual
Prepared by:
Checked by:
Approved by:
XIONG
Date: 2017-08-21
Date:
Date:
Rev. Descriptions
Release Date
0.1
- Preliminary Draft release
2017-08-14
0.2
- Update section 3.1
2017-08-21
URL: www.topwaydisplay.com
Document Name: HMT043ATA-2C
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TOPWAY
LCD Module User Manual
HMT043ATA-2C
Table of Content
1
Basic Specification ..................................................................................................................................... 3
1.1
General Specification ............................................................................................................................ 3
1.2
Block Diagram ...................................................................................................................................... 3
1.3
Terminal Function ................................................................................................................................. 4
1.3.1 RS232 Interface Terminal (K1/K3).................................................................................................... 4
1.3.2 USB Interface Terminal (K5) ............................................................................................................. 4
2
Absolute Maximum Ratings....................................................................................................................... 4
3
Electrical Characteristics ........................................................................................................................... 5
3.1
DC Characteristics ................................................................................................................................ 5
4
Function Specifications ............................................................................................................................. 6
4.1
Basic Operation Function Descriptions ................................................................................................ 6
4.2
Quick Start Guide ................................................................................................................................. 7
4.3
Command Descriptions ........................................................................................................................ 7
5
Optical Characteristics ............................................................................................................................... 8
6
Precautions of using LCD Modules ........................................................................................................ 10
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Document Name: HMT043ATA-2C
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TOPWAY
LCD Module User Manual
HMT043ATA-2C
1 Basic Specification
TOPWAY HMT043ATA-2C is a Smart TFT Module with 32bit MCU on board. Its graphics engine
provides numbers of outstanding features. It supports TOPWAY TML 3.0 (Editor 2017) for preload and
pre-design display interface that simplify the host operation and development time. Suitable for industry
control, instrumentation, medical electronics, power electric equipment applications.
1.1 General Specification
Screen Size(Diagonal) :
4.3”
Resolution :
480(RGB) x 272
Color Depth :
65k color (16bit)
Pixel Configuration :
RGB Stripe
Display Mode :
Transmissive / Normal White
Viewing Direction :
12H(*1)(gray-scale inverse)
6H(*2)
Outline Dimension :
121.9 x 74.7 x 14.1 (max)(mm)
(see attached drawing for details)
Active Area :
95.04 x 53.86 (mm)
Backlight :
LED
Command I/F:
RS-232C
Project Download:
by PC
Operating Temperature :
-20 ~ +70°C
Storage Temperature :
-30 ~ +80°C
Note:
*1. For saturated color display content (eg. pure-red, pure-green, pure-blue, or pure-colors-combinations).
*2. For “color scales” display content.
*3. Color tone may slightly change by Temperature and Driving Condition.
1.2 Block Diagram
Touch Panel
4.3 TFT
480 x 272 pixels
K1/K3
RTS(BUSY)
TXD, RXD
Display Function Controller
VDD, VSS
with RTC
K5
D-, D+
Flash
Memory
RAM
VUSB, VSS
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TOPWAY
LCD Module User Manual
HMT043ATA-2C
1.3 Terminal Function
1.3.1 RS232 Interface Terminal (K1/K3)
Pin No.
Pin Name
I/O Descriptions
1, 2, 3
VDD
P
Power supply
4
NC
--
No connection, leave open
5
RX
I
Data Input
(eg. to PC’s RS232C pin3 <9pin D-connector>)
6
TX
O
Data output
(eg. to PC’s RS232C pin2 <9pin D-connector>)
7
RTS(BUSY)
O
Request To Send (could function as busy BUSY signal)
(eg. to PC’s RS232C pin8 <9pin D-connector> )
8, 9, 10
VSS
P
Ground, (0V)
Note.
*1. User data and commands transfer through this terminal.
*2. HOST using command hand shake during communication is suggested.
1.3.2 USB Interface Terminal (K5)
Pin No.
Pin Name
I/O Descriptions
1
VUSB
P
Power supply (5V)
2
D-
I/O
USB DATA negative signal
3
D+
I/O
USB DATA positive signal
4
NC
--
No connection, leave open
5
VSS
P
Ground, (0V)
Note.
*1. TML files and image files preload through this terminal
*2. Standard “USB-drive” functions provided
*3. During the files transfer, all others display functions will be suspended
*4. R43 = 27R , R45 = 27R , R49 = NC , R50 = NC ;
C37 = 5pF , C39 = 5pF , C40 = NC , C45 = NC ;( default )
*5. R43 = NC , R45 = NC , R49 = 27R , R50 = 27R ;
C37 = NC , C39 = NC , C40 = 5pF , C45 = 5pF ;
2 Absolute Maximum Ratings
Items
Symbol
Min.
Max.
Unit
Condition
Power Supply voltage
V dd
-0.3
5.5
V
Operating Temperature
T OP
-20
70
 C
No Condensation
Storage Temperature
T ST
-30
80
 C
No Condensation
Note:
*1. This rating applies to all parts of the module and should not be exceeded.
*2. The operating temperature only guarantees operation of the circuit. The contrast, response speed,
and the other specification related to electro-optical display quality is determined at the room temperature, T OP =25 ℃
*3. Ambient temperature when the backlight is lit (reference value)
*4. Any Stresses exceeding the Absolute Maximum Ratings may cause substantial damage to the device. Functional
operation of this device at other conditions beyond those listed in the specification is not implied and prolonged
exposure to extreme conditions may affect device reliability.
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Document Name: HMT043ATA-2C
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TOPWAY
LCD Module User Manual
HMT043ATA-2C
3 Electrical Characteristics
3.1 DC Characteristics
VSS=0V, T OP =25  C
Items
Symbol
MIN.
TYP.
MAX.
Unit
Applicable Pin
Operating Voltage
V DD
4.8
5.0
5.2
V
VDD
Rx Input MARK(1)
V RxM
-3.0
-
-15.0
V
Rx
Rx Input SPACE(0)
V R X S
+3.0
-
+15.0
V
Rx
Tx Output MARK(1)
V T X M
-3.0
-
-15.0
V
Tx
Tx Output SPACE(0)
V T X S
+3.0
-
+15.0
V
Tx
RTS Output High
V TXH
-3.0
-
-15.0
V
RTS(BUSY)
RTS Output Low
V TXL
+3.0
-
+15.0
V
RTS(BUSY)
Operating Current
IDD
-
295
-
mA
VDD (*1)
Operating Current (USB)
IVUSB
-
160
-
mA
VUSB
Battery Supply current
IBAT
-
0.6
-
uA
(*2)
Note.
*1. Normal display condition.
*2. For Battery driving RTC application, RTC configuration should be enabled in the project global setting.
And after install/re-install the battery, it should be power-on once for correct RTC configurations.
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Document Name: HMT043ATA-2C
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TOPWAY
LCD Module User Manual
HMT043ATA-2C
4 Function Specifications
4.1 Basic Operation Function Descriptions
HMT043ATA-2C
Touch Panel
TML files
Picture files
ICONS files
Custom
Memories
TFT Display
HOST
PC
VP variables
Control and Draw Engine
- TML files, Picture files, ICON files are stored inside FLASH memory area.
They are preloaded to HMT043ATA-2C for stand alone interface use.
- Those files are preloaded via USB interface as an USB drive.
- All the interface flow and the touch response are based on the preloaded TML files
- VP variables memory is inside RAM area,
it provides real time access via UART by the HOST or display onto the TFT by TML file.
- Custom Memories are inside FLASH memory area
It can be accessed via UART interface by the HOST.
- Control and Draw Engine executes HOST commands and response respectively
- It also reports the real time Touch Key number to the HOST
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TOPWAY
LCD Module User Manual
HMT043ATA-2C
4.2 Quick Start Guide
1.
Install TOPWAY
Graphics Editor
Import pictures
2. design UI flow
3.
Download to
Smart LCD
4. power on &
display
Connect to
5.
host Show
real time
data
4.3 Command Descriptions
Please refer to “SMART LCD Command Manual” .
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Document Name: HMT043ATA-2C
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TOPWAY
LCD Module User Manual
HMT043ATA-2C
5 Optical Characteristics
Item
Symbol Condition
Min
Typ
Max
Unit
Remark
θT
70
80
-
View Angles
θB
CR ≧ 10
50
60
-
Degree Note2,3
θL
70
80
-
θR
70
80
-
Contrast Ratio
CR
θ=0°
700
900
-
Note 3
T ON
Response Time
25 ℃
-
20
30
ms
Note 4
T OFF
x
0.255
0.305
0.355
White
Note 1,5
y
0.277
0.327
0.377
x
0.534
0.584
0.634
Red
Note 1,5
Chromaticity
Backlight is
y
0.300
0.350
0.400
x
on
0.290
0.340
0.390
Green
Note 1,5
y
0.543
0.593
0.643
x
0.102
0.152
0.202
Blue
Note 1,5
y
0.040
0.090
0.140
Uniformity
U
75
80
-
%
Note 6
NTSC
45
50
-
%
Note 5
Luminance
L
-
320
-
cd/ ㎡
Note 7
1.IF= 40 mA, and the ambient temperature is 25 ℃ .
2. The test systems refer to Note 1 and Note 2.
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TOPWAY
LCD Module User Manual
HMT043ATA-2C
Note 1:
Note 2:
The data are measured after LEDs are turned on for 5 minutes.
The definition of viewing angle:
LCM displays full white. The brightness is the average value of 9 Refer to the graph below marked by θ and Ф
measured spots. Measurement equipment SR-3A (1°)
Measuring condition:
- Measuring surroundings: Dark room
- Measuring temperature: Ta=25 ℃ .
- Adjust operating voltage to get optimum contrast at
the center of the display.
Note 3:
The definition of contrast ratio (Test LCM using SR-3A (1°)):
Note 4:
Contrast
Luminance When LCD is at “White” state
Definition of Response time. (Test LCD using BM-7A(2°)):
Ratio(CR)
=
Luminance When LCD is at “Black” state
The output signals of photo detector are measured
(Contrast Ratio is measured in optimum common electrode
when the input signals are changed from
voltage)
“black” to “white”(falling time)
and from “white” to “black”(rising time), respectively.
The response time is defined as
the time interval between the 10% and 90% of amplitudes.Refer to
figure as below.
Note 5:
Note 6:
Definition of Color of CIE1931 Coordinate and NTSC Ratio.
The luminance uniformity is calculated by using following formula.
△ Bp = Bp (Min.) / Bp (Max.)×100 (%)
Color gamut:
Bp (Max.) = Maximum brightness in 9 measured spots
Area of RGB triangle
S=
X100%
Bp (Min.) = Minimum brightness in 9 measured spots .
Area of NTSC triangle
Note 7:
Measured the luminance of white state at center point
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TOPWAY
LCD Module User Manual
HMT043ATA-2C
6 Precautions of using LCD Modules
Please refer to "LCD-Module-Design-Handling-Precaution.pdf".
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