Toshiba T6963C Montage- und Bedienungsanleitung

ApplicationNote

InterfacingtoaGraphicsModulewithaToshiba

T6963CController

Page1

Introduction:

FunctionalDescription:

Schematic:

TheToshibaT6963CLCDcontrollerisoneofthemostpopularcontrollersforuseinsmallgraphics

displays.ForthisreasonitisusedinanumberofLCDmodulesfrom128x128to 240x128 pixels.

Thisclassofmoduleismostcommonlyusedtodisplayamixtureoftextand graphics in samall

devicesandinstruments.Itisusuallyinterfaceddirectlywithanembedded8-bit microprocessor.

Thisapplicationnotedescribestheuseofthiscontrollerwithanumberof graphics modules.

Theexampleusedhereisbasedonan8-bitIntelI8051microcontroller but applies to almost any

micro-controller.

TheT6963Cusesasimple8-bitdatabustotransferallinstructionsanddatatoandfromthe

display.Afterpowerisappliedahardwareresetisissued.Thecontrollermustthenbeinitialized

withaseriesofcommandstosetupthevariousmodesandoptionsavailabletotheuser.Once

initializedthedisplayisreadytoacceptthedatatobedisplayed.Thisdatacanbeintheformof

bit-mappedgraphicaldataortextdatainpseudoASCIIformat.Theinternalcharactergeneratoris

biasedat-20h.whichmeanstheusermustsubtract20hfromtheASCIIcodebeforesendingitto

thedisplay.

Inthebit-mappedmodeeachbyteofdatarepresents8pixelsonthedisplay.SeeFigure#1.Text

datacanbewritteninpseudoASCIIformatandwillbedisplayedasa5x7dotcharacter.The

graphicalandtextdataarewrittentoseparate,userassigned,areas,orpages,inthedisplayRAM

withinthedisplaymodule.Theusercanthenchooseoneofthreewaystomixthetextand

graphicspagesonthedisplayorthetextorgraphicspagecanbedisplayedalone.

The80C51microprocessorisconnectedtotheLCDcontrollerchipviaparallelI/Oportsinthis

example.Itcouldalsobeconnectedtotheprocessor'sdatabusandbemappedintothe

processor'sdatamemoryarea.Seefigure2.

D0 D1 D2 D3 D4 D5 D6 D7 D0 D1

1BYTE

17BYTE

2BYTE

Figure#1Memorymapofa128x128display

ApplicationNote

Page2

+5v

-15V

VSS

VDD

33pF

16.00mHz

RST

1N4148

+5v

1uF

10k

80C51

P1.0

P1.1

P1.2

P1.3

P1.4

P1.5

P1.6

P1.7

P3.0

P3.1

P3.2

P3.3

RESET

240x64LCDDISPLAY

20K

Figure2Schematicdiagram

Software:

Thesampleprogramhereiswrittenin8051assemblylanguageandisdesignedtoworkwiththe

hardwareshowninFigure2.Itisbasedona240x64displaybutisapplicabletoanyLCD with the

T6963Ccontroller.

Theprogramfirstresetsthedisplay.Thisresetmustlastaminimumof2µS.Itthensendsaseriesof

commandbytesandparameterstotheLCDcontrollertoinitializeit.TheT6963Crequiresthatthe

parameters,ifany,aresentinthedatamodeandmustprecedethecommandbyte,whichissentin

thecommandmode.

Thecontrollerisinitializedwiththegraphicspageat0000-077fh.Thisis1920byteswhichwill

accommodateafullscreenofdata.Notextisdisplayedinthisexamplebutthecontrolleris

initializedfortextoperationtoillustratetheprocess.Thetextpagestartsimmediatelyfollowingthe

graphicspageatlocation0780h.

TheFS(FontSelect)lineissettoazerointhisexamplewhichwillplacethe5x7pixelcharacterina

8x8pixelfield.Thiswillproduce30charactersperlinewith8linesperdisplay().Thetotal

numberofcharacters possibleinthismodeis240.

Afterinitializationthecontrollerissetintheautowritemodeandthedisplayisfilledwithabit-

mappedgraphic.

Thecodeexampleisnotwrittentobeefficientbuttobeassimpleaspossible.

AoneontheFSlinewillproducean6x8pixel

fieldforeachcharacter.

tofollow

240

8=30

ApplicationNote

Page3

SoftwareFlowchart:

MSGC:

SENDA

COMMAND

WITH

PARAMETERS

SETCOUNTER

TO2

GETBYTE

FROMTABLE

CALL

WRITED

INC.TABLE

POINTER

DECREMENT

COUNTER

GETCOMM.

FROMTABLE

CALL

WRITEC

CNT=

YES NO

DISPLAY

BITMAP

START:

INITIALIZE

T6963C

END

MAINPROGRAMLOOP

STATUS:

STATUSCHECK

SETC/DTO1

READBYTE

RDHIGH

RDLOW

STATUS

OK?

YES

RETURN

GETBYTE

FROMTABLE

END

BYTE?

YES

CALL

WRITED

INC.TABLE

POINTER RETURN

MSGD:

SENDABLOCKOFDATA

TOTHEDISPLAY

STATUS

OK? STATUS

OK?

YES

NO YES NO

WRITEC: WRITED:

WRITEA

COMMANDBYTE WRITEA

DATABYTE

RETURN

DATATOP1

WRHIGH

WRLOW

SETC/DTO1 SETC/DTO0

ApplicationNote

Page4

Initializationbytes:

COMMAND CODE PARAMETERS* FUNCTION

TEXTHOMEADDRESS 40h 80h,07h STARTOFTHETEXTSTORAGEAREAINDISPLAYRAM

0780h

1eh,00h

14h,00h

10h,00h

LINELENGTHINCHARACTERS=30=1ehFORAN

8BITCHARACTERCELL(FS=0).(28hFORFS=1)

LINELENGTHINPIXELS=30=1eh

LINELENGTHINPIXELS=20=14h

LINELENGTHINPIXELS=16=10h

Displayedimage:

Initialization:

BeforetheLCDcontrollercanacceptordisplaydataortextitmustbeinitialized.Thisisusually

doneimmediatelyafterthesystemispoweredup.Thefollowingchartliststheinitialization

commandsandtheparametersthataccompanythemalongwithabriefexplanationofthefunction

ofeach.Whereaparameterisdifferentforadisplaythatdiffersinresolutionfromthe240x64

example,thealternatevaluesarealsolisted.

TEXTAREA

GRAPHICAREA

41h

43h

*ADDRESSESAREFORMATTEDAS[LSB,MSB]

240

160

128

(240x128,240x64)

LINELENGTHINCHARACTERS=20=14hFORAN

8BITCHARACTERCELL(FS=0).(1ahFORFS=1)

LINELENGTHINCHARACTERS=16=10hFORAN

8BITCHARACTERCELL(FS=0).(15hFORFS=1)

(160x128)

(128x128)

160

128

GRAPHICHOMEADDRESS 42h 00h,00h

00h,00h

STARTOFTHEGRAPHICSSTORAGEAREAINDISPLAY

RAM0000h

MODESET 81h "EXOR"TEXTMODE

ADDRESSPOINTERSET 24h LOCATIONOFNEXTDATAWRITE(ORREAD)

INTHISCASETHEBEGINNINGOFTHEGRAPHICSAREA

DISPLAYMODESET 98h TEXTOFF,GRAPHICSON

ApplicationNote

Page5

$mod51

;**************************************************

;**

;*T6963ApplicationNoteV1.0*

;**

;**************************************************

;Theprocessorclockspeedis16MHz.

;Cycletimeis.750mS.

;Demosoftwaretodisplayabit-mapped

;graphicona240x64graphicsdisplay

;withaT6963CLCDcontroller.

org000h

ljmpstart;programstart

org100h

start:

;InitializetheT6963C

clrp3.3;hardwarereset

nop

setbp3.3

movdptr,#msgi1;initializationbytes

lcallmsgc

;Startofregularprogram

;Displaygraphic

movdptr,#msgi2;setautomode

lcallmsgc

movdptr,#msg1;displaygraphic

lcallmsgd

sjmp$

;*************************************************

;SUBROUTINES

;MSGCsendsthedatapointedtoby

;theDPTRtothegraphicsmodule

;asaseriesofcommandswith

;twoparameterseach.

msgc: movr0,#2;#ofdatabytes

msgc2: clra

movca,@a+dptr;getbyte

cjnea,#0a1h,msgc3;done?

ret

msgc3:movr1,a

lcallwrited;sendit

Software: incdptr

djnzr0,msgc2

clra

movca,@a+dptr;getcommand

movr1,a

lcallwritec;sendcommand

sjmpmsgc;nextcommand

;MSGDsendsthedatapointedtoby

;theDPTRtothegraphicsmodule.

msgd: clra

movca,@a+dptr;getbyte

cjnea,#0a1h,msgd1;done?

ret

msgd1: movr1,a

lcallwrited;senddata

incdptr

sjmpmsgd

;WRITECsendsthebyteinR1toa

;graphicsmoduleasacommand.

writec: lcallstatus;displayready?

setbp3.2;c/d=1

writec1:

movp1,r1;getdata

clrp3.0;strobeit

setbp3.0

ret

;WRITEDsendsthebyteinR1tothe

;graphicsmoduleasdata.

writed: lcallstatus;displayready?

clrp3.0;c/d=0

sjmpwritec1

;STATUSchecktoseethatthegraphic

;displayisready.Itwon'treturn

;untilitis.

status: setbp3.2;c/d=1

movp1,#0ffh;P1toinput

movr3,#0bh;statusbitsmask

stat1: clrp3.1;readit

mova,p1

setbp3.1

anla,r3;statusOK?

clrc

subba,r3

jnzstat1

ret

ApplicationNote

Page6

;************************************************

;TABLESANDDATA

;Initializationbytesfor240x64

msgi1: db80h,07h,40h;texthomeaddress

db1eh,00,41h;textarea

db00,00,42h;graphichomeaddress

db1eh,00,43h;graphicarea

db00,00,81h;modeset

db00,00,24h;addresspointerset

db00,00,98h;displaymodeset

db0a1h

msgi2: db00,00,0b0h;automode

db0a1h

;240x64Bitmapgraphicdata

;Onlythefirst8bytesareshownhere

;Therealgraphicconsistsof1920bytes

;ofbinarydata.

msg1: db00h,00h,00h,00h,00h,00h,00h,00h

db0a1h

end

Inhaltsverzeichnis

Andere Toshiba Controller Handbücher

Toshiba

Toshiba TCB-IFCB-4E2 Bedienungsanleitung

Toshiba

Toshiba TS3000 Series Bedienungsanleitung

Toshiba

Toshiba V Series Bedienungsanleitung

Toshiba

Toshiba 2000 Bedienungsanleitung

Toshiba

Toshiba BMS-CT1280UL Bedienungsanleitung

Toshiba

Toshiba VF010H05 Bedienungsanleitung

Toshiba

Toshiba TS3000 Series Bedienungsanleitung

Toshiba

Toshiba EX100 Bedienungsanleitung

Toshiba

Toshiba Q9 Plus ASD Bedienungsanleitung

Toshiba

Toshiba DeviceNet nv Series Bedienungsanleitung

Toshiba

Toshiba PROSEC T3H Bedienungsanleitung

Toshiba

Toshiba TS3000 Series Bedienungsanleitung

Toshiba

Toshiba 2000 Bedienungsanleitung

Toshiba

Toshiba JK400 Series Bedienungsanleitung

Toshiba

Toshiba V Series Bedienungsanleitung

Toshiba

Toshiba GX9 ASD Bedienungsanleitung

Toshiba

Toshiba V Series Bedienungsanleitung

Toshiba

Toshiba V Series Bedienungsanleitung

Toshiba

Toshiba PROSEC T1-16S Bedienungsanleitung

Toshiba

Toshiba SX 2000 Bedienungsanleitung

Toshiba

Toshiba TD Series Bedienungsanleitung

Toshiba

Toshiba RBC-MTSC2 Bedienungsanleitung

Toshiba

Toshiba V Series Bedienungsanleitung

Toshiba

Toshiba Q7 Flow Bedienungsanleitung

Beliebte Controller Handbücher anderer Marken

Digiplex

Digiplex DGP-848 Betriebsanleitung

YASKAWA

YASKAWA SGM series Bedienungsanleitung

Sinope

Sinope Calypso RM3500ZB Bedienungsanleitung

Isimet

Isimet DLA Series Style 2 Installationshandbuch

LSIS

LSIS sv-ip5a Bedienungsanleitung

Rockwell Automation

Rockwell Automation 1769-L31 Bedienungsanleitung

Airflow

Airflow Uno hab Bedienungsanleitung

ABB

ABB ACS580-01 drives Bedienungsanleitung

Panasonic

Panasonic GM1 Series Bedienungsanleitung

Emerson

Emerson SW93 Bedienungsanleitung

AutoAqua

AutoAqua Smart ATO micro SATO-120P Bedienungsanleitung

Panasonic

Panasonic FP? Positioning Unit RTEX Bedienungsanleitung

Samson

Samson Type 5824 Service-Handbuch

Alpha IP

Alpha IP MIOB 21001 Bedienungsanleitung

Siemens

Siemens OpenAir GMA 1 Series Bedienungsanleitung

Surecom

Surecom SR-629 Bedienungsanleitung

Fishman

Fishman TriplePlay Bedienungsanleitung

Regulus

Regulus SRS1 T Bedienungsanleitung