LMT035KDH03-NNA-1 TOPWAY | Alldatasheet
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URL: www.topwaydisplay.com www.topwaysz.com Document Name: LMT035KDH03-NNA-1-Rev0.3.DOC Page: 1 of 23 LMT035KDH03-NNA-1 LCD Module User Manual Prepared by: Lin Li Checked by: Approved by: Date: 2018-10-18 Date: Date: Rev. Descriptions Release Date
0.1 Preliminary 2012-03-22
0.2 Add T
timing details and typical input data timing diagram in 5.3.1 2012-04-17
0.3 Update section 6 2018-10-18
TOPWAY LCD Module User Manual LMT035KDH03-NNA-1 URL: www.topwaydisplay.com www.topwaysz.com Document Name: LMT035KDH03-NNA-1-Rev0.3.DOC Page: 2 of 23 Table of Content
TOPWAY LCD Module User Manual LMT035KDH03-NNA-1 URL: www.topwaydisplay.com www.topwaysz.com Document Name: LMT035KDH03-NNA-1-Rev0.3.DOC Page: 3 of 23 1. General Specification Note: *1 Color tune may slightly changed by temperature and driving voltage. 2. Block Diagram Screen Size(Diagonal) : 3.5 inch Resolution : 320(RGB) x 240 Signal Interface : 24bit parallel bus / CCIR656 / 601 Color Depth : 16.7M color (24bit) *1 Dot Pitch : 0.219 x 0.219 (mm) Pixel Configuration : RGB Stripe Display Mode : Transmissive / Positive Surface Treatment : Anti-Glare Treatment Viewing Direction : 12 o’clock Outline Dimension : 76.9 x 63.9 x 4.25 (mm) (exclude FPC, see attached drawing for details) Active Area : 70.08 x 52.56 (mm) Weight : (TBD) Backlight : 6 LEDs (in series) Driver IC NT39016D Operating Temperature : -20 ~ +70°C Storage Temperature : -30 ~ +80°C 320(x3) x 240 pixels TFT Panel Backlight Circuit LED_CATHODE, LED_ANODE D0~D23, HSYNC, VSYNC, DCLK, DEN VDD, GND /RST, /SPEN, SPCK, SPDA TFT Driver NT39016D or equivalent XR, YU, XL,YD Touch Panel
TOPWAY LCD Module User Manual LMT035KDH03-NNA-1 URL: www.topwaydisplay.com www.topwaysz.com Document Name: LMT035KDH03-NNA-1-Rev0.3.DOC Page: 4 of 23 3. Terminal Functions
3.1 TFT Interface
No. Pin Name I/O Descriptions
1 LED_CATHODE P Backlight LED Cathode supply
3 LED_ANODE P Backlight LED Anode supply
5 NC - No Connection
6 NC -
7 NC -
8 /RST I Reset signal active LOW 9 /SPEN I SPI enable signal, active LOW, normal HI (*1)
10 SPCK I SPI clock signal, rising edge trigger(*1)
11 SPDA I/O SPI data signal (*1)
12 D0 I B0~B7,
: : Blue data input(*2) 19 D7
20 D8 I G0~G7
: : Green data input (*2)
27 D15
28 D16 I R0~R7(*2)
: : Read data input (*2)
35 D23
36 HSYNC I Horizontal Sync Signal
37 VSYNC I Vertical Sync Signal
38 DCLK I Data Clock Input
39 NC -- No Connection
40 NC --
41 VDD P Positive Power Supply
42 VDD
43 NC -- No Connection
: : 51 NC
52 DEN I Data Enable Input (*3)
53 GND P Power Ground Supply
54 GND
Note: *1. /SPEN, SPCK, SPDA must be connected to referenced control pins to enable the SPI initialization It may necessary to config the TFT Driver through SPI interface to provide best display result. *2. For CCIR601/CCIR656 Interface, only R0-R7 is used. For unused pins (B0-B7,G0-G7), please connect to GND or floating. The interface is selected by the SPI initial code. Default setting is parallel 24-bit RGB interface. *3: For digital RGB input data format, both SYNC mode and DE+SYNC mode are supported. If DEN signal is fixed low. SYNC mode is used. Otherwise, DE+SYNC is used
TOPWAY LCD Module User Manual LMT035KDH03-NNA-1 URL: www.topwaydisplay.com www.topwaysz.com Document Name: LMT035KDH03-NNA-1-Rev0.3.DOC Page: 5 of 23 4. Absolute Maximum Ratings Items Symbol Min. Max. Unit Condition Supply Voltage VDD -0.3 +4.0 V GND = 0V Input Voltage VIN -0.3 +4.0 V GND = 0V Operating Temperature TOP -20 +70 °C No Condensation Storage Temperature TST -30 +80 °C No Condensation Cautions: 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. 5. Electrical Characteristics
5.1 DC Characteristics (MCU terminal)
GND=0V, VDD =3.3V, TOP =25°C Items Symbol MIN. TYP. MAX. Unit Applicable Pin Operating Voltage VDD 3.0 3.3 3.6 V VDD Input High Voltage VIH 0.8VDD - VDD V Input pins Input Low Voltage VIL GND - 0.2VDD V Input pins Frame Freq FFRAME - 60 - Hz Dot Data Clock(*1) fDOTCLK - 6.5 - MHz Operating Current(*2) IDD 6.5 7.4 9.4 mA VDD Note. *1. DOTCLK must be adapted to 19.5MHz in 8-bit mode *2. test image is 16-grayscaly graphic
5.2 LED Backlight Circuit Characteristics
IfLED_ANODE=20mA, TOP=25°C Items Symbol MIN. TYP. MAX. Unit Note Forward Voltage VfLED_ANODE - 19.2 - V Forward Current IfLED ANO DE - 20 25 mA Life Time - - (50000) - hr Cautions: Exceeding the recommended driving current could cause substantial damage to the backlight and shorten its lifetime.
5.3 Touch panel Characteristics
TOP =25°C Items Symbol MIN. TYP. MAX. Unit Applicable Pin Operating Voltage VOP - 5.0 - V XL, YD, XR, YU Operating Force Fop 60 - 100 g - Linearity - ±1.5 % XL, YD, XR, YU Life Time - - 1,000,000 - times - Cautions: Exceeding the recommended Condition could cause substantial damage to the touch panel and shorten its lifetime. No. of LEDs = 6 pcs LED_ANODE LED_CATHODE XL YD XR YU
TOPWAY LCD Module User Manual LMT035KDH03-NNA-1 URL: www.topwaydisplay.com www.topwaysz.com Document Name: LMT035KDH03-NNA-1-Rev0.3.DOC Page: 6 of 23
5.4 AC Characteristics
5.4.1 Display Data Input Timing
Signal naming references: Terminal Name Signal Name D23~D0 DIN[23:0] DCLK CLKIN HSYNC HSD VSYNC VSD DEN DEN Timing Diagram
TOPWAY LCD Module User Manual LMT035KDH03-NNA-1 URL: www.topwaydisplay.com www.topwaysz.com Document Name: LMT035KDH03-NNA-1-Rev0.3.DOC Page: 7 of 23 CCIR601 mode A/B CCIR656 mode A/B 8bit RGB 960 CH Mode 24bit RGB mode (SEL[3:0]=1100 or 1101) Typical Input Data Timing Diagram (24bit RGB mode SEL[3:0]=1100)
TOPWAY LCD Module User Manual LMT035KDH03-NNA-1 URL: www.topwaydisplay.com www.topwaysz.com Document Name: LMT035KDH03-NNA-1-Rev0.3.DOC Page: 8 of 23
5.4.2 Active Display Timing
CCIR_656 input Data Format
TOPWAY LCD Module User Manual LMT035KDH03-NNA-1 URL: www.topwaydisplay.com www.topwaysz.com Document Name: LMT035KDH03-NNA-1-Rev0.3.DOC Page: 9 of 23
5.4.3 SPI Interface Timing
Signal naming references: Terminal Name Signal Name SPDA SPDA SPCK SPCK VSYNC VSD /PSEN PSENB /RST RSTB Timing Diagram
TOPWAY LCD Module User Manual LMT035KDH03-NNA-1 URL: www.topwaydisplay.com www.topwaysz.com Document Name: LMT035KDH03-NNA-1-Rev0.3.DOC Page: 10 of 23 6. TFT Optical Characteristics Note：The parameter is slightly changed by temperature, driving voltage and materiel. 200
TOPWAY LCD Module User Manual LMT035KDH03-NNA-1 URL: www.topwaydisplay.com www.topwaysz.com Document Name: LMT035KDH03-NNA-1-Rev0.3.DOC Page: 11 of 23 Note 1: The data are measured after LEDs are turned on for 5 minutes. LCM displays full white. The brightness is the average value of 9 measured spots. Measurement equipment PR-705 (Φ8mm) Measuring condition: - Measuring surroundings: Dark room - Measuring temperature: Ta=25℃. - Adjust operating voltage to get optimum contrast at the center of the display. Measured value at the center point of LCD panel after more than 5 minutes while backlight turning on. Note 2: The luminance uniformity is calculated by using following formula. △Bp = Bp (Min.) / Bp (Max.)×100 (%) Bp (Max.) = Maximum brightness in 9 measured spots Bp (Min.) = Minimum brightness in 9 measured spots. Note 3: The definition of viewing angle: Refer to the graph below marked by θ and Ф Note 4: The definition of contrast ratio (Test LCM using PR-705): Contrast Ratio(CR)= Luminance When LCD is at “White” state Luminance When LCD is at “Black” state (Contrast Ratio is measured in optimum common electrode voltage) Note 5: Definition of Response time. (Test LCD using DMS501): The output signals of photo detector are measured when the input signals are changed from “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 6: Definition of Color of CIE Coordinate and NTSC Ratio. Color gamut: S= Area of RGB triangle X100% Area of NTSC triangle
TOPWAY LCD Module User Manual LMT035KDH03-NNA-1 URL: www.topwaydisplay.com www.topwaysz.com Document Name: LMT035KDH03-NNA-1-Rev0.3.DOC Page: 12 of 23 7. Function Specifications
7.1 SPI Interface Command Packet
The LMT035KDH03 terminal equipped with a SPI interface, which is for receiving command to adjust the TFT display to the best display result. Command packet is in 16bit format, which include Register Address and Register Data. /SPEN works as a chip enable pin and also for init the communication. PSDA is the serial data line SPCK is the serial clock, data bit latches into the TFT driver at rising edge
TOPWAY LCD Module User Manual LMT035KDH03-NNA-1 URL: www.topwaydisplay.com www.topwaysz.com Document Name: LMT035KDH03-NNA-1-Rev0.3.DOC Page: 13 of 23
7.2 SPI Interface Commands Summary
7.3 SPI Interface Commands Details
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7.4 Power On/Off Sequence
To prevent abnormal display that might show on screen, it is suggest to use to following standby sequence. Power on, turn on the backlight AFTER power supply stable and display ready. Power off, turn off the backlight BEFORE power down.
TOPWAY LCD Module User Manual LMT035KDH03-NNA-1 URL: www.topwaydisplay.com www.topwaysz.com Document Name: LMT035KDH03-NNA-1-Rev0.3.DOC Page: 21 of 23
7.5 Standby Sequence
To prevent abnormal display that might show on screen, it is suggest to use to following standby sequence. Entering standby mode, turn off the backlight BEFORE standby. Exiting standby mode, turn on the backlight AFTER exiting standby mode, power supply stable and display ready.
7.6 Reset Function
To prevent from abnormal reset condition, a glitch filter for RSTB is embedded in this chip. The external reset signal should keep active for large then reset time (TRSTB). Refer to the AC/DC Specification for the requirement.
TOPWAY LCD Module User Manual LMT035KDH03-NNA-1 URL: www.topwaydisplay.com www.topwaysz.com Document Name: LMT035KDH03-NNA-1-Rev0.3.DOC Page: 22 of 23 8. Precautions of using LCD Modules Mounting - Mounting must use holes arranged in four corners or four sides. - The mounting structure so provide even force on to LCD module. Uneven force (ex. Twisted stress) should not applied to the module. And the case on which a module is mounted should have sufficient strength so that external force is not transmitted directly to the module. - It is suggested to attach a transparent protective plate to the surface in order to protect the polarizer. It should have sufficient strength in order to the resist external force. - The housing should adopt radiation structure to satisfy the temperature specification. - Acetic acid type and chlorine type materials for the cover case are not desirable because the former generates corrosive gas of attacking the polarizer at high temperature and the latter causes circuit break by electro-chemical reaction. - Do not touch, push or rub the exposed polarizers with glass, tweezers or anything harder than HB pencil lead. Never rub with dust clothes with chemical treatment. Do not touch the surface of polarizer for bare hand or greasy cloth.(Some cosmetics deteriorate the polarizer.) - When the surface becomes dusty, please wipe gently with absorbent cotton or other soft materials like chamois soaks with petroleum benzine. Normal-hexane is recommended for cleaning the adhesives used to attach front / rear polarizers. Do not use acetone, toluene and alcohol because they cause chemical damage to the polarizer. - Wipe off saliva or water drops as soon as possible. Their long time contact with polarizer Operating - The spike noise causes the mis-operation of circuits. It should be within the ±200mV level (Over and under shoot voltage) - Response time depends on the temperature.(In lower temperature, it becomes longer.) - Brightness depends on the temperature. (In lower temperature, it becomes lower.) And in lower temperature, response time(required time that brightness is stable after turned on) becomes longer. - Be careful for condensation at sudden temperature change. Condensation makes damage to polarizer or electrical contacted parts. And after fading condensation, smear or s pot will occur. - When fixed patterns are displayed for a long time, remnant image is likely to occur. - Module has high frequency circuits. Sufficient suppression to the electromagnetic interference shall be done by system manufacturers. Grounding and shielding methods may be important to minimized the interference Electrostatic Discharge Control Since a module is composed of electronic circuits, it is not strong to electrostatic discharge. Make certain that treatment persons are connected to ground through wrist band etc. And don’t touch interface pin directly. Strong Light Exposure Strong light exposure causes degradation of polarizer and color filter. Storage When storing modules as spares for a long time, the following precautions are necessary. - Store them in a dark place. Do not expose the module to sunlight or fluorescent light. Keep the temperature between 5°C and 35°C at normal humidity. - The polarizer surface should not come in contact with any other object. It is recommended that they be stored in the container in which they were shipped. Protection Film - When the protection film is peeled off, static electricity is generated between the film and polarizer. This should be peeled off slowly and carefully by people who are electrically grounded and with wel l ion-blown equipment or in such a condition, etc. - The protection film is attached to the polarizer with a small amount of glue. If some stress is applied to rub the protection film against the polarizer during the time you peel off the film, the glue is a pt tore main on the polarizer. Please carefully peel off the protection film without rubbing it against the polarizer. - When the module with protection film attached is stored for a long time, sometimes there remains a very small amount of glue still on the polarizer after the protection film is peeled off. - You can remove the glue easily. When the glue remains on the polarizer surface or its vestige is recognized, please wipe them off with absorbent cotton waste or other soft material like chamois soaked with normal-hexane. Transportation The LCD modules should be no falling and violent shocking during transportation, and also should avoid excessive press, water, damp and sunshine.
URL: www.topwaydisplay.com www.topwaysz.com Document Name: LMT035KDH03-NNA-1-Rev0.3.DOC Page: 23 of 23 9. Appendix A <Inspection items and criteria for appearance defect> Items Criteria Open Segment or Common Not permitted Short Not permitted Wrong Viewing Angle Not permitted Decliners Not permitted Contrast Ration Uneven According to the limit specimen Crosstalk According to the limit specimen White spots X>1 pixel A-area Not permitted Max 6 spots allowed B-area Max. 1 allowed 1/2 pixel<X≤1 pixel A-area Not permitted B-area Max. 2 allowed X≤1/2 pixel A-area Max. 1 allowed B-area Max. 4 allowed Black Sport X>1 pixel A-area Not permitted B-area Max. 2 allowed X≤1/2 pixel A-area Max. 1 allowed B-area Max. 4 allowed Line Defect Apparent vertical horizontal line defects are not permitted Note: 1. On Pixel include 3 dots (RedDot + GreenDot + BlueDot) 2. Definition of Panel “A-area” and “B-area”
附录：Touch panel Design Precautions 1. It should prevent front case touching the touch panel Active Area (A.A.) to prevent abnormal touch. 2. Outer case design should take care about the area outside the A.A. Those areas contain circuit wires which is having different thickness. Touching those areas could de- form the ITO film. As a result case the ITO cold be damaged and shorten its lifetime. It is suggested to protect those areas with gasket (between the front case and the touch panel). The suggested figures are B≥0.50mm; C≥0.50mm。 3. The front case side wall should keep space 4. In general design, touch panel V.A. should be bigger than the LCD V.A. and touch panel A.A. should be bigger than the LCD A.A.