LMT043DNFFWD-NNA-1 datasheet and manual
Contents
1. VSYNC 3 ile i sali sa liamileel D o y ooo SNB 2 aaa Invalid X Blank data Y Normal Display utput EM a jo n M BLU Power Off Timing Sequence FF VDD RESET VSYNC Source xs Output Valid Blank data BLU To prevent abnormal display that might show on screen itis 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 Document Name LMTOA3DNFFWD NNA 1 Manual RevO 2 Page 9 of 11 TOPWAY LCD Module User Manual LMTO43DNFFWD NNA 1 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 itis 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 latt2. 12 SDO J Data output pin in serial mode O Z o Z S o 13 SDI I Data input pin in serial mode O 1 O 14 SCL I Clock pin of serial mode 1 1 0 15 CSB I COhipseletpn O 16 VSS PR GND p O 17 DE J Data input enable If unused please pulllowlevel pe RER mein pum Tied high level m t eaa remanet Tue eo high level 20 DISP Display on or off mode control 21 CLK 1 Clock for input data Data latched at rising edge of this signal 22 VSS PR GND i O Blue color data input zc e 30 BO Green color data input NM Ea Red color data input x e 46 RO 1 47 RESETB Reset Hl Normal Running 1 1 1 1 48 DVDD P jDigtalpowersuppgy O 49 AVDD P Anaogpowersupy 0 0 O 50 AVDD JP Anaogpowersuply 1 1 0 St JjVSS8 ER GND i O Document Name LMTOA3DNFFWD NNA 1 Manual RevO 2 Page 4 of 11 TOPWAY LCD Module User Manual LMTO43DNFFWD NNA 1 4 Absolute Maximum Ratings Items Symbol Min Max Unit Condition Supply Voltage Operating Temperature Storage Temperature 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 an
3. 225 C Adjust operating voltage to get optimum contrast at the center of the display NV Left so a 9 ln Z X Right 3 00 2 0 2 180 Down 6 00 2 270 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 Brightness 100 90 l 1 on off Note 5 Note 6 Definition of Color of CIE1931 Coordinate and NTSC Ratio The luminance uniformity is calculated by using following formula A Bp Bp Min Bp Max x100 96 Color gamut Bp Max Maximum brightness in 9 measured spots Area of RGB triangle X100 Bp Min Minimum brightness in 9 measured spots Area of NTSC triangle Note 7 Measured the luminance of white state at center point Document Name LMTO043DNFFWD NNA 1 Manual Rev0 2 Page 8 of 11 TOPWAY LCD Module User Manual LMTO43DNFFWD NNA 1 7 Function Specifications 7 1 Power On Off Sequence Power On Timing Sequence VDD RESET DISP
4. Note 1 Unit C L 1 fcLk H th 2 It is necessary to keep tvp tvb 12 and tho thb 43 in SYNC mode But not necessary for DE mode 3 The LMTO43DNFFWD both supports DE mode and Sync mode timing SYNC mode DE pull lo HSYNC and VSYNC for timing control DE mode HSYNC and VSYNC pull hi DE for timing control VSYNC HSYNC 5 DCLK ths thh HSYNC DCLK RO R7 G0 G7 invalid invalid BO B7 DE Input Data Timing Diagramt Document Name LMTOA3DNFFWD NNA 1 Manual RevO 2 Page 6 of 11 TOPWAY LCD Module User Manual LMTO43DNFFWD NNA 1 6 Optical Characteristics Lem Hs oan co T 80 EN ati 0 380 E 0 300 0 350 EIS Chromaticity u ICONES NS 0 620 Test Conditions 1 The ambient temperature is 25 C no touch panel 2 The test systems refer to Note 1 and Note 2 3 The Chromaticity Transmittance and NTSC are the emulated values base on the panel with normal EWV polarizer and C Light Document Name LMTOAS3DNFFWD NNA 1 Manual RevO 2 Page 7 of 11 TOPWAY LCD Module User Manual LMTO43DNFFWD NNA 1 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 and o measured spots Measurement equipment SR 3A 1 Up 12 00 Measuring condition g 90 Q 0 2 0 Measuring surroundings Dark room Y Measuring temperature Ta
5. TOPWAY displays info topwaydisplays eu www topwaydisplays eu LMTO43DNFFWD NNA 1 LCD Module User Manual Prepared by Checked by Approved by Descriptions Release Date Preliminary 2012 12 04 2013 02 22 Document Name LMTOAS3DNFFWD NNA 1 Manual RevO 2 Page 1 of 11 TOPWAY LCD Module User Manual LMTO43DNFFWD NNA 1 Table of Content 1 2 3 General Specification Meter Er 3 BIOCK Diagrai eestor TERTII TT DT DO ETE ETE Ede 3 FermNa l FUNCUON eet enn RM p e 4 Nal cela ts ole IET EDT oT 4 Absolute Maximum Ratih Sasiia ene secu sex eoa coxa ces e e nnb sick esae ese ve san een casa cesa on MERE da aaan aTa 5 z tegre ieirigtui igjeftt e 5 DC Characteristics MCU terminal sarran 5 LED Backlight Circuit GharacteristiCS oio on RETE ES Un vu epe n vue Ps em UE baee 5 Data FITIN ENS Umm 6 Op ucal GharacteristiS iucicccier id uccisi a leu ei pe i ie Cen Du TU S Ade Le D ENDE 7 FUNCHION SPeCHICAIONS nece PER 9 POWer On Off SEQUCNC Cs Tt 9 Precautions of using LCD Modules cccessceeeseeeseeeneeeeneeeeseeenseeeneeoesesenseoenesonseseaeeoenes 10 Appendix A Inspection items and criteria for appearance defects 11 Document Name LMTOA3DNFFWD NNA 1 Manual RevO 2 Page 2 of 11 TOPWAY LCD Module User Manual LMTO43DNFFWD NNA 1 1 General Specification Screen Size Diagonal 4 3 inch Resolution 480 RGB x 272 Signal Inter
6. d prolonged exposure to extreme conditions may affect device reliability 5 Electrical Characteristics 5 1 DC Characteristics MCU terminal GND OV Vpp 3 3V Top 25 C Items Symbol MIN TYP MAX Unit Applicable Pin Input High Voltage V4 O7VDD VDD V inputpis Input Low Voltage Vw GND O3VDD V j Inptpins Frrame 60 Hz Dot Data Clock foorak 90 15 J MH J Operating Current 1 Ib 140 mA VDD Note 1 test image is Black Mode Frame Freq 60Hz 5 2 LED Backlight Circuit Characteristics Ify gp 240mA Top 25 C Items Symbol MIN TYP MAX Unit_ Forward Voltage Vf 124 IV Forward Current Hug 40 LifeTime 1000 20 000 mw Cautions Exceeding the recommended driving current could cause substantial damage to the backlight and shorten its lifetime No of LEDs 2x4 pcs Document Name LMTOA3DNFFWD NNA 1 Manual RevO 2 Page 5 of 11 TOPWAY LCD Module User Manual LMTO43DNFFWD NNA 1 5 3 Data Timing Daramnater Symbo a ee ee cur ee ee Clock cycle fac 9 15 MH Ith 1714 KH Vsync cycle Hz 59 94 Horizontal Signal 5994 Horizontal cycle CLK Horizontal display period Horizontal front porch Horizontal pulse width Horizontal back porch Vertical Signal Vertical back porch
7. er 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 spot will occur When fixed patterns are displayed for a long time remnant image is likely to occur Module has high freq
8. face 24bit parallel interface Color Depth 16 7M color 24bit 1 Dot Pitch 0 198 x 0 198 mm Pixel Configuration RGB Stripe Display Mode Transmissive Positive normal white Surface Treatment Anti Glare Treatment Viewing Direction 12 o clock Outline Dimension 105 5 x 67 2 x 4 3 mm exclude FPC see attached drawing for details Active Area 95 04 x 53 86 mm Backlight 2x4 LEDs Operating Temperature 20 70 C Storage Temperature 30 80 C Note 1 Color tune may slightly changed by temperature and driving voltage YU YD XL XR Touch Panel Backlight Circuit 2 Block Diagram VLED VLED 480 x3 x 272 pixels TFT Panel RO R7 G0 G7 BO B7 AVDD DVDD GND CPWM CLK HS VS DE DISP SDO SDI SCL CSB RESETB HX8257 or equivalent Document Name LMTOA3DNFFWD NNA 1 Manual RevO 2 Page 3 of 11 TOPWAY LCD Module User Manual LMTO43DNFFWD NNA 1 3 Terminal Functions 3 1 Interface Te te owe O 1 VLEDi JP Backight LED Anode supply 2 veo p Backlight LED Cathode supply 4 VLED2 P__ Backlight LED Anode supply 1 O VLED2 Backlight LED Cathode supply 7 CPWM JO CABC function output 0 0 8 YU J O Up Side sense terminal X4 L 9 XL JO Left Side sense terminal Z4 10 YD O Down Side sense terminal O 11 XR_ JO JRightSidesensetermnal 1 1
9. uency 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 otrong 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 well 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 apt tore main on the polarizer Please caref
10. ully 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 Document Name LMTOA3DNFFWD NNA 1 Manual RevO 2 Page 10 of 11 TOPWAY LCD Module User Manual LMTO43DNFFWD NNA 1 9 Appendix A Inspection items and criteria for appearance defect gt Items Criteria 5 9 0 0 0 0 0 White spots Max 6 spots 1 2 pixel lt Xs1 pixel fone Xs1 2 pixel Black Sport Xs1 2 pixel Note On Pixel include 3 dots RedDot GreenDot BlueDot 2 Definition of Panel A area and B area VS 1919759799759 7979 9 974979 9 TOOTA RSS SSSR 92070 0 92 0 020 9 9 SSSR EERE Qo de d did d LX XXX eed de Document Name LMTOA3DNFFWD NNA 1 Manual RevO 2 Page 11 of 11
Download Pdf Manuals
Related Search