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NHD19232WGBTMIV#T
GraphicLiquidCrystalDisplayModule
NHD 19232 WG B T M I V#T NewhavenDisplay 192x32pixels DisplayType:Graphic Model WhiteLEDBacklight STNBlue() Transmissive,6:00view,WideTemp.(20C~+70C) BuiltinPositiveVoltage 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 * * * * * Date 10/9/2007 11/27/2008 4/20/2010 Description InitialRelease Backlightinfoupdated Userguidereformat Changedby BE
FunctionsandFeatures
192x32pixels BuiltinST7920controller +5.0VPowerSupply 1/32duty RoHSCompliant
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MechanicalDrawing
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PinDescriptionandWiringDiagram
PinNo. Symbol 1 2 3 4 5 6 714 15 16 A K VSS VDD V0 RS R/W E DB0DB7 Vout NC LED+ LED External Connection PowerSupply PowerSupply Adj.PowerSupply MPU MPU MPU MPU PowerSupply PowerSupply PowerSupply FunctionDescription Ground Powersupplyforlogic(+5.0V) PowerSupplyforcontrast (approx. 0.5V) Registerselectsignal.RS=0:Command,RS=1:Data Read/Writeselectsignal,R/W=1:ReadR/W:=0:Write Operationenablesignal.Fallingedgetriggered. Bidirectional8bitdatabus Positivevoltageoutput(+5.0V) NoConnect PowersupplyforLEDBacklight (+3.5V) GroundforBacklight
RecommendedLCDconnector:2.54mmpitchpins Backlightconnector:Mateswith:

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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 VDD=5.0V Ta=25C Min. 20 30 4.5 1.5 0.7VDD 0.3 0.8VDD 0 3.4 28.8 Typ. 5.0 2.0 4.5 3.5 32 50,000 Max. +70 +80 5.5 2.8 VDD 0.6 VDD 0.4 3.6 50 Unit C C V mA V V V V V V mA Hrs.
Vled=3.5V Iled=32mA
OpticalCharacteristics
Item ViewingAngleVertical ViewingAngleVertical ViewingAngle-Horizontal ViewingAngleHorizontal ContrastRatio ResponseTime(rise) ResponseTime(fall) Symbol AV AV AH AH Cr Tr Tf Condition Cr 2 Cr 2 Cr 2 Cr 2 Min. Typ. 20 40 30 30 3 150 150 Max. 200 200 Unit ms ms

ControllerInformation
BuiltinST7920.Downloadspecificationathttp://www.newhavendisplay.com/app_notes/ST7920.pdf

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TableofCommands
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TimingCharacteristics

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ExampleInitializationProgram
//-------------------------------------------------------------------------void Init() { Wcom(0x38); Wcom(0x0C); Wcom(0x06); Wcom(0x02); Wcom(0x01); delay(10); Row = 0x80; for(Counthi = 1; Counthi <=32; Counthi++) { Wcom(0x3E); Wcom(Row); Wcom(0x80); for(Count = 1; Count <=40; Count++) { Wdata(0x00); } Row++; } } //----------------------------------------------------------------------------void Wcom(char i) { P1 = i; ID = 0; RW = 0; E = 1; delay(2); E = 0; } void Wdata(char i) { P1 = i; ID = 1; RW = 0; E = 1; delay(2); E = 0; } //---------------------------------------------------------------------------------

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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,200hrs 30C,200hrs +70C200hrs
Note
2 1,2 2
20C,200hrs
1,2
+60C, 90%RH, 96hrs
1,2
Vibrationtest
Staticelectricitytest
Endurancetestapplyingelectricstatic discharge.
20C,30min>25C,5min> 70C,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
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