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NHD0220D3ZNSWBBW

SerialLiquidCrystalDisplayModule

NHD NewhavenDisplay0220 2linesx20characters

D3Z Model

N Transmissive

SW SideWhiteLEDBacklight

B STNBlue()

B 6:00view

W WideTemperature(20C~+70C)

RoHSCompliant

NewhavenDisplayInternational,Inc.2511TechnologyDrive,Suite101

ElginIL,60124

Ph:8478448795 Fax:8478448796

www.newhavendisplay.com

[email protected] [email protected]

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DocumentRevisionHistoryRevision Date Description Changedby

0 7/11/2007 InitialRelease

1 12/15/2009 Userguidereformat CL

2 2/12/2010 MechanicalDrawingupdated BE

3 11/7/2011 Pindescriptionupdated AK

FunctionsandFeatures 2linesx20characters

SerialInterface:I2C,SPIorRS232

5Vpowersupply

1/16duty,1/5bias

5x8pixelswithcursor

RoHSCompliant

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NHD-0220D3Z-NSW-B

Mechanical Drawing

STN/ Blue/ Negative/ Transmissive

White

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PinDescriptionPinNo. Symbol External

Connection

FunctionDescription

1 RX MPU RS232Serialinputport

2 VSS PowerSupply Ground

3 VDD PowerSupply Powersupplyforlogic(+5.0V)

4 NC NC NoConnect

5 SPISS MPU SPISlaveSelect(NCinI2Cmode)

6 SDO NC NoConnect7 SCK/SCL MPU SerialClock

8 SDI/SDA MPU SerialDataIn(SPI)/SerialData(I2C)

9 VSS PowerSupply Ground

10 VDD PowerSuppy PowerSupplyforlogic(+5.0V)

11 NC NC NoConnect

12 NC NC NoConnect

13 NC NC NoConnect

14 NC NC NoConnect

RecommendedLCDconnector:2.54mmpitchpins(pins13orpins510)

Backlightconnector:controlledbycommand Mateswith:

JumperCommunicationSelectionR1 R2 Protocol Description

Short Short TEST Selftest

Open Short SPI 100KHzmaxclock

Short Open I2C 100KHzmaxclock

Open Open RS232 5V,TTLsignal

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ElectricalCharacteristicsItem Symbol Condition Min. Typ. Max. Unit

OperatingTemperatureRange Top 20 +70 C

StorageTemperatureRange Tst 30 +80 C

SupplyVoltage VDD 4.7 5.0 5.5 V

SupplyCurrent IDD Ta=25C

VDD=5.0V

38 mA

SupplyforLCD(contrast) VDDV0 Ta=25C V

HLevelinput(SchmittTrigger) Vih 0.8VDD VDD V

LLevelinput(SchmittTrigger) Vil VSS 0.2VDD V

HLeveloutput Voh V

LLeveloutput Vol V

BacklightSupplyCurrent Iled 20 mA

OpticalCharacteristicsItem Symbol Condition Min. Typ. Max. Unit

ViewingAngleTop Cr 2 10 ViewingAngleBottom Cr 2 60

ViewingAngleLeft Cr 2 45

ViewingAngleRight Cr 2 45

ContrastRatio Cr 3

ResponseTime(rise) Tr 100 150 ms

ResponseTime(fall) Tf 150 200 ms

Builtin

LCD

Controller:

PIC

16F690

http://www.newhavendisplay.com/app_notes/PIC16F690.pdf

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CommunicationInformationThisdisplayusesabuiltinPIC16F690forserialcommunication.

I2Cprotocol:ToentertheI2Cmode,placeajumperonR1.

SDAandSDKhavepullupresistors(10KOhm)onR7andR8.

Thedefault

I2C

address

is

80

(50

hex).

The

I2C

address

can

be

changed

to

any

8bit

value

by

command

function,

with

theexceptionthattheLSB(leastsignificantbit)mustalwaysbe0. OncetheI2Caddresshasbeenchanged,itwillbe

savedinthesystemmemory,anditwillrevertbacktothedefaultaddressifeitherRS232orSPIprotocolisselected.

TheI2Cinterfaceiscapableofreceivingdataatupto100KHzclockrate.

SPIprotocol:ToentertheSPI mode,placeajumperonR2.

SPImodehasanormallyhighlevelidleclock.WhenSlaveSelectisLOW,dataissampledontherisingedgeofthe

Clock.

TheSPIinterfaceiscapableofreceivingdataatupto100KHzclockrate.

RS232protocol:ToentertheRS232 mode,bothR1andR2shouldbeopen.

TheRS232signalmustbe5VTTLcompatible.Communicationformatis8bitdata,1Stopbit,noparity,nohand

shaking.DefaultBAUDrateis9600,andischangeablewithacommandfunction.OncetheBAUDratehasbeen

changed,itwillbesavedinthesystemmemory,anditwillrevertbacktothedefaultaddressifeitherI2CorSPI

protocolisselected.

ASCII TEXTTodisplaynormaltext,justenteritsASCIInumber.Anumberfrom0x00to0x07displaystheuser

definedcustomcharacter,0x20to0x7Fdisplaysthestandardsetofcharacters,0xA0to0xFDdisplay

charactersandsymbolsthatarefactorymaskedontheSPLC780Dcontroller.0xFEisreserved.

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TableofCommands

Prefix CMD Param Description

0xFE 0x41 None Displayon

0xFE 0x42 None Displayoff

0xFE 0x45 1Byte Setcursor

0xFE 0x46 None Cursorhome

0xFE 0x47 None Underlinecursoron

0xFE 0x48 None Underlinecursoroff

0xFE 0x49 None Movecursorleftoneplace

0xFE 0x4A None Movecursorrightoneplace

0xFE 0x4B None Blinkingcursoron

0xFE 0x4C None Blinkingcursoroff

0xFE 0x4E None Backspace

0xFE 0x51 None Clearscreen

0xFE 0x52 1Byte Setcontrast

0xFE 0x53 1Byte Setbacklightbrightness

0xFE 0x54 9Byte Loadcustomcharacter

0xFE 0x55 None Movedisplayoneplacetotheleft

0xFE 0x56 None Movedisplayoneplacetotheright

0xFE 0x61 1Byte ChangeRS232BAUDrate232

0xFE 0x62 1Byte ChangeI2Caddress

0xFE 0x70 None Displayfirmwareversionnumber

0xFE 0x71 None DisplayRS232BAUDrate

0xFE 0x72 None DisplayI2Caddress

ChangingtheI2CSlaveAddress

Syntax hexadecimal 0xFE 0x62 [adr]

Parameter Parameter Length Description

[adr] 1byte NewI2Caddress,0x000xFE

TheLSB

is

always

0.

Description This command sets the I2C address, the address must be an even number, (LSB = 0). The

address change requires 20 microsecond to take effect; therefore, the subsequent inputmust have an appropriate delay. The default I2C address can be restored if SPI or RS232

is selected as the communication mode.

Default 0x50

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ChangingBAUDRate

Syntax hexadecimal 0xFE 0x61 [baud]


[baud] 1byte NewRS232BAUDRate,1 8

Description This command sets the RS232 BAUD rate, the single byte parameter select the desired

BAUD rate as in the table below. The new BAUD rate requires 20 microsecond to takeeffect, therefore, the subsequent input must have an appropriate delay. The defaul

BAUD rate can be restored if I2C or SPI is selected as the communication mode. Illegaparameter input will be discarded.

Default 9600BAUD

Parameter BAUD

1 300

2 1200

3 2400

4 9600

5 144006 19.2K

7 57.6K

8 115.2K

TurnOnDisplay

Syntax hexadecimal 0xFE 0x41


None None TurnonLCDscreen

Description This command turns on the LCD display screen, the display text is not altered.

Default LCDscreenison

TurnOffDisplay



None None TurnoffLCDscreen

Description This command turns off the LCD display screen, the display text is not altered.Default LCDscreenison

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SetCursorPosition

Syntax hexadecimal 0xFE 0x45[pos]


[pos] 1 byte Put cursor at location specified by [pos], 0x00 to 0x67

Description This command moves the cursor to a specified location where the next character will be displayed. The

typical cursor position for a 4-line display is show below; a cursor position outside these ranges will no

be viewable.

. Column1 Column20

Line1 0x00 0x13

Line2 0x40 0x53

Line3 0x14 0x27

Line4 0x54 0x67

Default Afterareset,thecursorisonposition0x00.

HomeCursor



None None Positioncursoratline1column1Description This command move the cursor to line 1, column 1 of the LCD screen, the display text is not altered.

Default None

TurnOnUnderlineCursor



None None Turnonunderlinecursor

Description This command turns on the underline cursor, the cursor position is where the next character wil

appear.

Default Theunderlinecursorisoff.

TurnOffUnderlineCursor


Parameter Parameter Length DescriptionNone None Turnoffunderlinecursor

Description This command turns off the underline cursor.

Default Theunderlinecursorisoff.

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MoveCursorLeftOneSpace



None None Movecursorleft1spaceDescription This command moves the cursor position left 1 space, regardless the cursor is displayed or not, and the

displayed character is not altered

Default None

MoveCursorRightOneSpace

Syntax hexadecimal 0xFE 0x4A


None None Movecursorright1space

Description This command moves the cursor position right 1 space, regardless the cursor is displayed or not, and

the displayed character is not altered

Default None

TurnOnBlinkingCursor

Syntax hexadecimal 0xFE 0x4B


None None TurnontheblinkingcursorDescription This command turns on the blinking cursor, both the cursor and the character on the cursor will blink.

Default Theblinkingcursorisoff.

TurnOffBlinkingCursor

Syntax hexadecimal 0xFE 0x4C


None None Turnofftheblinkingcursor

Description This command turns off the blinking cursor.

Default Theblinkingcursorisoff.

BackSpace

Syntax hexadecimal 0xFE 0x4E

Parameter Parameter Length DescriptionNone None Move cursor back one space, deletes the character on the cursor.

Description This command is destructive backspace, the cursor is moved back one space and the character on the

cursor is deleted.

Default None.

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ClearScreen



None None Clear LCD and move cursor to line 1 column 1.Description This command clears the entire display and place the cursor at line 1 column 1.

Default None.

SetDisplay

Contrast

Syntax hexadecimal 0xFE 0x52 [contrast]


[contrast] 1 byte Set the display contrast, value between 1 to 50Description This command sets the LCD character display contrast, the contrast setting is between 1 to 50, where

50 is the highest contrast.

Default Defaultcontrastvalueis40.

SetBacklightBrightness

Syntax hexadecimal 0xFE 0x53 [brightness]


[brightness] 1 byte Set the LCD backlight brightness level, value between 1 to 8Description This command set the LCD display backlight brightness level, the value is between 1 to 8.

Default Defaultbrightnessvalueis1.

LoadCustomCharacters

Syntax hexadecimal 0xFE 0x54 [addr] [d0d7]


[addr] 1 byte Custom character address, 0 7[D0..D7] 8 bytes Custom character pattern bit map

Description There are space for eight user defined custom characters, this command load the custom character into

one of the eight locations. The custom character pattern is bit mapped into 8 data bytes, the bit map for

Spanish character is shown in table below, to display the custom character, user simply enter the

address of the character (0 to 8).

Default None.

Bit 7 6 5 4 3 2 1 0 Hex

Byte1 0 0 0 0 0 1 0 0 0x04

Byte2 0 0 0 0 0 0 0 0 0x00

Byte3 0 0 0 0 0 1

0 0 0x04Byte4 0 0 0 0 1 0 0 0 0x08

Byte5 0 0 0 1 0 0 0 0 0x10

Byte6 0 0 0 1 0 0 0 1 0x11

Byte7 0 0 0 0 1 1 1 0 0x0E

Byte8 0 0 0 0 0 0 0 0 0x00

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ShiftDisplaytotheLeft



None None Shift the LCD screen to the left one Place.Description This command shifts the display one place to the left, the cursor position also moves with the display

and the display data is not altered.

Default None

ShiftDisplaytotheRight



None None Shift the LCD screen to the right one Place.Description This command shifts the display one place to the right, the cursor position also moves with the display

and the display data is not altered.

Default None

DisplayFirmware

Version

Number



None None Display the firmware version number.Description This command displays the micro-controller firmware version number.

Default None.

DisplayRS232BaudRate



None None Display Baud RateDescription This command displays the current RS232 BAUD rate.

Default None.

DisplayI2CAddress



None None Display I2C Address

Description This command displays the current I2

C slave address.Default None.

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BuiltinFontTable

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ExampleInitializationProgram

Seeprogramcodeathttp://www.newhavendisplay.com/app_notes/Serial_LCD.txt

QualityInformationTestItem ContentofTest TestCondition Note

HighTemperaturestorage Endurancetestapplyingthehighstoragetemperatureforalongtime.

+80C,48hrs 2

LowTemperaturestorage Endurancetestapplyingthelowstorage

temperatureforalongtime.

30C,48hrs 1,2

HighTemperature

Operation

Endurancetestapplyingtheelectricstress

(voltage&current)andthehighthermal

stressforalongtime.

+70C48hrs 2

LowTemperature

Operation


(voltage&current)andthelowthermal

stressforalongtime.

20C,48hrs 1,2

HighTemperature/

HumidityOperation


(voltage&current)andthehighthermal

withhighhumiditystressforalongtime.

+40C, 90%RH, 48hrs 1,2

ThermalShockresistance Endurancetestapplyingtheelectric stress

(voltage&current)duringacycleoflow

andhighthermalstress.

0C,30min >+25C,5min >

+50C,30min=1cycle

10cycles

Vibrationtest Endurancetestapplyingvibrationto

simulatetransportationanduse.

1055Hz,15mmamplitude.

60secineachof3directions

X,Y,Z

For15minutes

3

Staticelectricitytest Endurancetestapplyingelectricstatic

discharge.

VS=800V,RS=1.5k,CS=100pF

Onetime

Note1:Nocondensationtobeobserved.

Note2:Conductedafter4hoursofstorageat25C,0%RH.

Note

3:Test

performed

on

product

itself,

not

inside

a

container.

PrecautionsforusingLCDs/LCMsSeePrecautionsatwww.newhavendisplay.com/specs/precautions.pdf

WarrantyInformationandTerms&Conditionshttp://www.newhavendisplay.com/index.php?main_page=terms

Documents

NHD-0220D3Z-NSW-BBW