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HKT043ATA-1C
LCD Module User Manual
Prepared by:
Checked by:
Approved by:
HeHongLiang
Date: 2017-10-25
Date:
Date:
Rev. Descriptions
Release Date
0.1
- Preliminary Draft release
2017-07-05
0.2
- Assemble Precaution
2017-10-25
URL: www.topwaydisplay.com
Document Name: HKT043ATA-1C
Page: 1 of 11
TOPWAY
LCD Module User Manual
HKT043ATA-1C
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
UART Interface Terminal (K1) ...................................................................................... 4
1.3.2
USB Interface Terminal (K3) ......................................................................................... 4
2 Absolute Maximum Ratings ............................................................................................................. 5
3 Electrical Characteristics ................................................................................................................. 5
3.1
DC Characteristics ................................................................................................................ 5
3.2
AC Characteristic .................................................................................................................. 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
7 Assemble Precaution ...................................................................................................................... 10
URL: www.topwaydisplay.com
Document Name: HKT043ATA-1C
Page: 2 of 11
TOPWAY
LCD Module User Manual
HKT043ATA-1C
1 Basic Specification
TOPWAY HKT043ATA-1C 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 :
139 x 97 x 26.9 (mm)
(see attached drawing for details)
Active Area :
95.04 x 53.86(mm)
Backlight :
LED
Surface Treatment :
Anti-Glare Treatment
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
RTS(BUSY)
TXD, RXD
Display Function Controller
VDD, VSS
K3
D+, D-
Flash
Memory
RAM
VUSB, VSS
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Document Name: HKT043ATA-1C
Page: 3 of 11
TOPWAY
LCD Module User Manual
HKT043ATA-1C
1.3 Terminal Function
1.3.1 UART Interface Terminal (K1)
Pin No.
Pin Name
I/O Descriptions
1
VDD
P
Power supply
2
RXD
I
Data Input
3
TXD
O
Data output
4
RTS
O
Request To Send (function as busy BUSY signal)
1 : Busy ; 0 : No busy
5
NC
--
NO Connect, leave open
6
VSS
P
Ground, (0V)
Note.
*1. User data and commands transfer through this terminal
*2. HW hand shake is suggested
1.3.2 USB Interface Terminal (K3)
Pin No.
Pin Name
I/O Descriptions
1
VUSB
P
Power output
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
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Document Name: HKT043ATA-1C
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TOPWAY
LCD Module User Manual
HKT043ATA-1C
2 Absolute Maximum Ratings
Items
Symbol
Min.
Max.
Unit
Condition
Power Supply voltage
V DD
-0.3
28
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.
3 Electrical Characteristics
3.1 DC Characteristics
VDD=12V,VSS=0V, T OP =25  C
Items
Symbol
MIN.
TYP.
MAX.
Unit
Applicable Pin
Operating Voltage
V DD
6
12.0
26
V
VDD
RxD Input MARK(1)
V RxDM
-3.0
-
-15.0
V
Rx
RxD Input SPACE(0)
V RXDS
+3.0
-
+15.0
V
Rx
TxD Output MARK(1)
V TXDM
-3.0
-
-15.0
V
Tx
TxD Output SPACE(0)
V TXDS
+3.0
-
+15.0
V
Tx
RTS Output High
V TXDH
-3.0
-
-15.0
V
RTS(BUSY)
RTS Output Low
V TXDL
+3.0
-
+15.0
V
RTS(BUSY)
Operating Current
I DD
-
175
-
mA
VDD (*1)
Battery Supply Current
I BAT
-
0.6
-
uA
Note.
*1. Normal display condition and no usb connect.
3.2 AC Characteristic
Items
JP6,JP8=close,
JP6,JP7=close,
JP6,JP7= open,
JP6,JP8= open,
JP5,JP7=open
JP5,JP8=open
JP5,JP8= close
JP5,JP7= close
(factory default)
Start bit
1
1
1
1
Data bit
8
8
8
8
Parity bit
None
None
Even
Odd
Stop bit
1
1
1
1
Baud Rate(*1)
115200 bps
9600 bps
115200 bps
115200 bps
Items
JP10=close, JP9=open
JP10= open, JP9=close
(factory default)
Serial Data
busy
Xon/Xoff
Flow Control
Note.
*1.Baud Rate (1200bps ~ 115200bps) could be adjusted by software.
URL: www.topwaydisplay.com
Document Name: HKT043ATA-1C
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TOPWAY
LCD Module User Manual
HKT043ATA-1C
4 Function Specifications
4.1 Basic Operation Function Descriptions
HKT043ATA-1C
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 HKT043ATA-1C 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
URL: www.topwaydisplay.com
Document Name: HKT043ATA-1C
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TOPWAY
LCD Module User Manual
HKT043ATA-1C
4.2 Quick Start Guide
1.
Install TOPWAY
Graphics Editor
Import
pictures
2. design UI flow
3.
Download to
Smart LCD
4. power on & d
isplay
Connect to
5.
host Show
real time
data
4.3 Command Descriptions
Please refer to “SMART LCD Command Manual”.
URL: www.topwaydisplay.com
Document Name: HKT043ATA-1C
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TOPWAY
LCD Module User Manual
HKT043ATA-1C
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
-
280
-
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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Document Name: HKT043ATA-1C
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TOPWAY
LCD Module User Manual
HKT043ATA-1C
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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Document Name: HKT043ATA-1C
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TOPWAY
LCD Module User Manual
HKT043ATA-1C
6 Precautions of using LCD Modules
Please refer to "LCD-Module-Design-Handling-Precaution.pdf".
7 . Assemble Precaution
安装注意事项
1. Customer front panel opening and thickness for
TOPWAY display module should be fit for its
assembling and sealing.
The suggested assemble gap(A) should be about
0.3~0.5mm on each side.
The suggested front panel thickness(B) should be
about 1.5~4.0mm.
客户面板开窗及厚度应适合 TOPWAY 显示模块的安
装及密封 .
  • 建议每边安装间隙 (A) 约为 0.3 ~0.5mm.
  • 建议面板厚度 (B) 约为 1.5~4.0mm.
  • 2. A silicon sealing ring ships with TOPWAY display
    module. It should be in place before assembling to
    the front panel.
    TOPWAY 显示模块上的硅胶密封圈在安装时确保嵌
    入到位 .
    3. It should fix the TOPWAY display module into the
    front panel with two steps.
    Pre-fixing: Slightly tighten the screws on beam
    clamp in sequence as picture on the right side.
    Final-fixing: Tighten the fixing screws on beam
    clamp in sequence as well with twist torque about
    4~6kg.cm (*1) . and put the beam clamp straight.
    Note:
    *1. Over tightening might damage the shell and cause bad
    sealing result.
    应分两步将 TOPWAY 显示模块固定在面板上 .
  • 预紧 : 将卡扣螺钉按右图所示顺序稍加预紧 .
  • 紧定 : 再次按顺序用 4~6kg.cm 扭力拧紧卡扣螺
  • 钉 (* 1), 并注意卡扣置正无歪斜 .
    注 :
    *1. 过度拧紧可能会损坏外壳和影响密封效果 .
    4. It is strongly suggested to check the seal balancing
    of the four-side of the TOPWAY display module.
    The suggested after assemble sealed gap(C)
    should be about 0.8~1.2mm.
    需注意检查 TOPWAY 显示模块四周在安装后保证平
    衡密封 .
  • 建议组装后的密封间隙 (C) 约为 0.8 ~1.2 mm.
  • URL: www.topwaydisplay.com
    Document Name: HKT043ATA-1C
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    TOPWAY
    LCD Module User Manual
    HKT043ATA-1C
    5. Others:
    Never hot plug the device! Power off the device before connect or disconnect the display
    module.
    Dont forget to remove the cover protective film for normal operation.
    其它 :
  • 视频线禁止带电插拔! 在连接或断开显示模块之前先关闭设备电源 .
  • 使用前请揭去保护膜 .
  • URL: www.topwaydisplay.com
    Document Name: HKT043ATA-1C
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