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| NHD0212WHATGHJT# CharacterLiquidCrystalDisplayModule NHD 0212 WH A T G H JT# NewhavenDisplay 2linesx12characters DisplayType:Character Model WhiteLEDBacklight STNGray Transflective,6:00view,WideTemp.(20C~+70C) English/Japanesestandardfont RoHSCompliant NewhavenDisplayInternational,Inc. 2511TechnologyDrive,Suite101 ElginIL,60124 Ph:8478448795 Fax:8478448796 www.newhavendisplay.com nhsales@newhavendisplay.com nhtech@newhavendisplay.com [1] DocumentRevisionHistory Revision 0 1 2 3 * * * * * Date 7/16/2007 11/5/2009 1/5/2010 10/4/2010 Description InitialRelease UserGuideReformat Opticalrevised Mechanicaldrawingrevised Changedby BE BE BE FunctionsandFeatures 2linesx12characters Builtincontroller(ST7066orequivalent) +5.0VPowerSupply 1/16duty,1/5bias RoHScompliant [2] Mechanical Drawing 1.0 2.2 4.5 4.85 8.93 3.65 7.25 8.75 10.15 55.7 0.5 51.3 46.7 46.0(VA) 37.85(AA) 4- 1.0PTH 3.20 2.65 0.55 0.45 14.5 max 5.1 32.0 0.5 24.7 17.5 14.5(VA) 11.7(AA) 9.0 11.5 30.0 1 15 18.96 4-R1.25 12.25 1.0 17.78 (P1.27*14) 31.2 1.5 1.6 DOT SIZE LED or NO B/L 15- 0.7PTH 15- 1.0PAD The non-specified tolerance of dimension is 0.3mm. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Vss Vdd Vo RS R/W E DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 A MPU 80 series or 68 series RS R/W E DB0~DB7 Com1~16 Controller/Com Driver HD44780 or Equivalent 1.5 12X2 LCD Seg1~40 Seg41~60 VR 10K~20K Vdd Vo Vss Bias and Power Circuit 3.0 D M CL1 CL2 Vdd,Vss,V1~V5 Seg Driver 6.20 5.50 0.70 0.60 Newhaven Display Part No. External contrast adjustment. NHD-0212WH-ATGH-JT# PinDescriptionandWiringDiagram PinNo. Symbol 1 2 3 4 5 6 710 1114 15 VSS VDD V0 RS R/W E DB0-DB3 DB4-DB7 A External Connection PowerSupply PowerSupply AdjPowerSupply MPU MPU MPU MPU MPU PowerSupply FunctionDescription Ground SupplyVoltageforlogic(+5.0V) Powersupplyforcontrast(approx.0.8V) Registerselectsignal.RS=0:Command, RS=1:Data Read/Writeselectsignal,R/W=1:Read R/W:=0:Write Operationenablesignal. Fallingedgetriggered. Fourloworderbidirectionalthreestatedatabuslines.Thesefour arenotusedduring4bitoperation. Fourhighorderbidirectionalthreestatedatabuslines. PowersupplyforLEDBacklight(+3.5V) RecommendedLCDconnector:1.27mmpitchpins Backlightconnector:Mateswith: [4] ElectricalCharacteristics Item OperatingTemperatureRange StorageTemperatureRange SupplyVoltage SupplyCurrent SupplyforLCD(contrast) "H"Levelinput "L"Levelinput "H"Leveloutput "L"Leveloutput BacklightSupplyVoltage BacklightSupplyCurrent BacklightLifetime Symbol Top Tst VDD IDD VDDV0 Vih Vil Voh Vol Vled Iled Condition AbsoluteMax AbsoluteMax Ta=25C,VDD=5.0V Ta=25C Min. 20 30 4.5 3.5 0.7VDD 0 3.9 3.4 14.4 Typ. 5.0 1.2 4.2 3.5 16 10,000 Max. +70 +80 5.5 5.7 VDD 0.6 0.4 3.6 25 Unit C C V mA V V V V V V mA Hrs Vled=3.5V Iled=16mA OpticalCharacteristics Item ViewingAngle-Vertical(top) ViewingAngle-Vertical(bottom) ViewingAngle-Horizontal(left) ViewingAngle-Horizontal(right) ContrastRatio ResponseTime(rise) ResponseTime(fall) Symbol AV AV AH AH Cr Tr Tf Condition Cr 2 Cr 2 Cr 2 Cr 2 Min. Typ. 25 70 30 30 2 120 120 Max. 150 150 Unit ms ms ControllerInformation BuiltinST7066.Downloadspecificationathttp://www.newhavendisplay.com/app_notes/ST7066.pdf [5] TableofCommands [6] TimingCharacteristics WritingdatafromMPUtoST7066 [7] ReadingdatafromST7066toMPU [8] BuiltinFontTable [9] ExampleInitializationProgram 8-bit Initialization: /**********************************************************/ void command(char i) { P1 = i; //put data on output Port D_I =0; //D/I=LOW : send instruction R_W =0; //R/W=LOW : Write E = 1; Delay(1); //enable pulse width >= 300ns E = 0; //Clock enable: falling edge } /**********************************************************/ void write(char i) { P1 = i; //put data on output Port D_I =1; //D/I=LOW : send data R_W =0; //R/W=LOW : Write E = 1; Delay(1); //enable pulse width >= 300ns E = 0; //Clock enable: falling edge } /**********************************************************/ void init() { E = 0; Delay(100); //Wait >15 msec after power is applied command(0x30); //command 0x30 = Wake up Delay(30); //must wait 5ms, busy flag not available command(0x30); //command 0x30 = Wake up #2 Delay(10); //must wait 160us, busy flag not available command(0x30); //command 0x30 = Wake up #3 Delay(10); //must wait 160us, busy flag not available command(0x38); //Function set: 8-bit/2-line command(0x10); //Set cursor command(0x0c); //Display ON; Cursor ON command(0x06); //Entry mode set } /**********************************************************/ [10] 4-bit Initialization: /**********************************************************/ void command(char i) { P1 = i; //put data on output Port D_I =0; //D/I=LOW : send instruction R_W =0; //R/W=LOW : Write Nybble(); //Send lower 4 bits i = i<<4; //Shift over by 4 bits P1 = i; //put data on output Port Nybble(); //Send upper 4 bits } /**********************************************************/ void write(char i) { P1 = i; //put data on output Port D_I =1; //D/I=HIGH : send data R_W =0; //R/W=LOW : Write Nybble(); //Clock lower 4 bits i = i<<4; //Shift over by 4 bits P1 = i; //put data on output Port Nybble(); //Clock upper 4 bits } /**********************************************************/ void Nybble() { E = 1; Delay(1); //enable pulse width >= 300ns E = 0; //Clock enable: falling edge } /**********************************************************/ void init() { P1 = 0; P3 = 0; Delay(100); //Wait >15 msec after power is applied P1 = 0x30; //put 0x30 on the output port Delay(30); //must wait 5ms, busy flag not available Nybble(); //command 0x30 = Wake up Delay(10); //must wait 160us, busy flag not available Nybble(); //command 0x30 = Wake up #2 Delay(10); //must wait 160us, busy flag not available Nybble(); //command 0x30 = Wake up #3 Delay(10); //can check busy flag now instead of delay P1= 0x20; //put 0x20 on the output port Nybble(); //Function set: 4-bit interface command(0x28); //Function set: 4-bit/2-line command(0x10); //Set cursor command(0x0F); //Display ON; Blinking cursor command(0x06); //Entry Mode set } /**********************************************************/ [11] QualityInformation TestItem HighTemperaturestorage LowTemperaturestorage HighTemperature Operation LowTemperature Operation HighTemperature/ HumidityOperation ThermalShockresistance ContentofTest Endurancetestapplyingthehigh storagetemperatureforalongtime. Endurancetestapplyingthelowstorage temperatureforalongtime. Endurancetestapplyingtheelectricstress (voltage¤t)andthehighthermal stressforalongtime. Endurancetestapplyingtheelectricstress (voltage¤t)andthelowthermal stressforalongtime. Endurancetestapplyingtheelectricstress (voltage¤t)andthehighthermal withhighhumiditystressforalongtime. Endurancetestapplyingtheelectricstress (voltage¤t)duringacycleoflow andhighthermalstress. Endurancetestapplyingvibrationto simulatetransportationanduse. TestCondition +80C,48hrs 30C,48hrs +70C48hrs Note 2 1,2 2 20C,48hrs 1,2 +40C, 90%RH, 48hrs 1,2 Vibrationtest Staticelectricitytest Endurancetestapplyingelectricstatic discharge. 0C,30min>25C,5min> 50C,30min=1cycle 10cycles 1055Hz,15mmamplitude. 60secineachof3directions X,Y,Z For15minutes VS=800V,RS=1.5k,CS=100pF Onetime 3 Note1:Nocondensationtobeobserved. Note2:Conductedafter4hoursofstorageat25C,0%RH. Note3:Testperformedonproductitself,notinsideacontainer. PrecautionsforusingLCDs/LCMs SeePrecautionsatwww.newhavendisplay.com/specs/precautions.pdf WarrantyInformationandTerms&Conditions http://www.newhavendisplay.com/index.php?main_page=terms [12] |
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