LMR4234EW-WCB DENSITRON, LMR4234EW-WCB Datasheet
LMR4234EW-WCB
Specifications of LMR4234EW-WCB
Related parts for LMR4234EW-WCB
LMR4234EW-WCB Summary of contents
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... Product Specification DENSITRON PRODUCT NUMBER DEFINITION Quality Mgr Product Mgr Date: Date: DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED STANDARD LCD MODULE LMR/TSR 3234 – LMR/TSR 4234 – LMR/TSR 6234 Display 240*128 dots INTERNAL APPROVALS Project Leader Date: Date: ...
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... CCFL BACKLIGHT CHARACTERISTICS ................................................................................................................. 45 8 QUALITY ASSURANCE SPECIFICATION .................................................................................................................... 46 8.1 CONFORMITY ............................................................................................................................................................. 46 8.2 DELIVERY ASSURANCE ........................................................................................................................................... 46 8.2.1 Delivery inspection standards. .................................................................................................................................. 46 8.2.2 Zone definition .......................................................................................................................................................... 47 8.2.3 Visual inspection ....................................................................................................................................................... 47 8.2.4 Standard of appearance inspection ........................................................................................................................... 48 9 RELIABILITY SPECIFICATION ...................................................................................................................................... 50 10 HANDLING PRECAUTIONS ............................................................................................................................................. 51 DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED Page ...
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... REVISION RECORD Rev. Date Page 1 19/04/04 2 08/08/2008 43 DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED Chapt. Comment Initial Specification 7 Add High Brightness LED option. ECR no. Page ...
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... ADDITIONNAL OPTIONS mentioned if top view angle is needed HL = High Luminosity for White LED Backlight if avaible “LMR” AT THE BEGINNING OF THE PART NUMBER IS REPLACED BY “TSR” IF THE MODULE HAS A TOUCH PANNEL DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED 234 - Page ...
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... Duty ratio Driver IC Backlight type Backlight colour DC/DC converter Operating temperature Storage temperature DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED CONTENTS 240 * 128 dos 144.0×104.0×14.3(MAX)mm 114.0×64.0mm STN / FSTN Available in Reflective / Transflective / Transmissive 6 and 12 o’clock ...
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... ITEM Display Format Overall Dimensions Viewing Area Active Area Dot Size Dot Pitch IC Controller/Driver DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED CHARACTERISTIC 240 * 128 dots 144.0×104.0×14.3(MAX) 114.0×64.0 107.98×57.58 (L)0.43×(W)0.43 (L)0.45×(W)0.45 ...
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... MECHANICAL DRAWING DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED Page ...
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... Note 2: Ta≤80 °C: 75% RH max 4.2 ELECTRICAL CHARACTERISTICS Item Power Supply for Logic Input Voltage Output Voltage LCD Module Driving Voltage Current Consumption * I measurement condition is for all pattern ON DD DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED Symbol Min ...
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... DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED I/O GND Power supply ( + Power supply for LCD driver WR=L , C/D=H : Command Write C/D=L: Data write RD=L , C/D=H : Status Read C/D=L: Data read L Data read. Read data from T6963C when Data write. Write data into T6963C when ...
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... H L Colum Colum n select Vdd Vo VR Vee 10K~20K External contrast adjustm ent. DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED 240X128 DOT LC7940 Seg1~80 Seg Driver V dd,Vss,V2,V3,V5 Vdd,Vss Bias and N.V. Power Circuit Generator LED B/L drive directly from A,K . ...
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... POWER SUPPLY CIRCUIT DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED Page ...
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... The external RAM is used to store display data( text, graphic and external CG data ). It can be freely allocated to the memory area( 8 Kbyte max ). Recommend Flowchart of communications with MPU (1)Status Read DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED 0000H TEXT AREA 0C00H GRAPHIC ...
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... There is a possibility of erroneous operation due to a hardware interrupt. (Note 2) For most modes STA0/STA1 are used as a status check. (Note 3) STA2 and STA3 are valid in Auto mode; STA0 and STA1 are invalid. Status Checking flow (a) DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED STA5 STA4 STA3 D5 ...
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... If a MSB=0 command is sent to the T6963C during this period, the T6963C enters Wait status status check is not carried out in this state before the next command is sent, there is the possibility that the command or data date will not be received. DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED Page ...
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... When using the T6963C, first set the data, then set the command. Procedure for sending a command (a)The case of 1 date (Note) When sending more than two data, the last datum (or last two data)is valid. DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED (b)The case of 2 data Page ...
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... DATA READ/WRITE 11000011 11000100 11000101 SCREEN PEEK 11100000 SCREEN COPY 11101000 DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED address Y address Set Cursor Pointer Date 00H Set Offset Register Low address High address Set Address Pointer ...
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... X ADRS 00 to 4FH Y ADRS 00H to 0FH (2)Set Offset Register The offset register is used to determine the external character generator RAM area. The T6963C has a 16-bit address bus as follows. DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED － － － － ...
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... Offset register Character code Character generator RAM start address 1 DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED CG RAM hex. address (start to end) 0000 to 07 FFH 0800 to 0FFFH 1000 to 17FFH E000 to E7FFH E800 to EFFFH F000 to F7FFH ...
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... The relationship between display RAM data and display characters γ and ζ are displayed by character generator RAM. (3)Set Address Pointer The Set Address Pointer command is used to indicate the start address for writing to (or reading from) external RAM. DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED Page ...
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... The Flowchart for Set Address Pointer command DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED Page ...
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... CL: Columns are fixed by hardware (pin-programmable). (Example) Text home address Text area 0000H 0001H 0020H 0021H 0040H 0041H 0060H 0061H DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED FUNCTION D1 Low address High address Columns Low address High address Columns TH+CL TH+TA+CL TH+2TA+CL TH+3TA+CL TH+(n-1)TA+CL ： ...
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... GH+(n-1)GA GH: Graphic home address GA: Graphic area number (columns) CL: Columns are fixed by hardware (pin-programmable). (Example) Graphic home address Graphic area DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED GH+GL GH+GA+CL GH+2GA+CL GH+3GA+CL GH+(n-1)GA+CL ： 0000H ： 0020H ： 32 Columns ： ...
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... Text area Set 32 columns, 4 Lines ……… 0000 0001 0014 0015 ……… 0028 0029 ……… DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED 001EH 003EH 005EH 007EH 009EH 00BEH 00DEH 00FEH 011EH 013EH 015EH ...
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... DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED ……… 004F 0050 20 columns, 2lines ： 0000H ： 0014H 0013 0014 ……… ...
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... If the graphic area setting is set to match the desired number of columns on the LCD, the addressing scheme will be automatically modified so that the start address of each line equals the end address of the previous line +1. DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED ……… 0127 0128 … ...
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... Text and Graphic on in order for the Attribute function to be available. The attribute data for each character in the text area is written to the same address in the graphic area. The Attribute function is defined as follows. DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED FUNCTION OPERAND － ...
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... Text on, graphic on (Note)It is necessary to turn on “Text display” and “Graphic display” in the following cases. a)Combination of text/graphic display b)Attribute function Cursor pattern select CODE FUNCTION DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED × × × d3 FUNCTION Normal display ...
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... In Auto mode, the T6963C cannot accept any other commands. The Auto Reset command must be sent to the T69963C after all data has been sent, to clear Auto mode. DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED － － ...
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... Status check for Auto mode (STA2, STA3 should be checked between sending of each datum. Auto Reset should be performed after checking STA3=1 (STA2=1.) Refer to the following flowchart. DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED Page ...
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... Read mode DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED b)Auto Write mode Page ...
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... DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED Page ...
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... Set Address Pointer command. The address pointer can be automatically incremented or decremented using this command. (Note)This command is necessary for each 1-byte datum. Refer to the following flowchart. DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED FUNCTION Data Write and Increment ADP Data Read and Increment ADP ...
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... The status (STA6) should be checked just after the Screen Peek command. If the address determined by the Set Address Pointer command is not in the graphic area, this commands is ignored and a status flag (STA6) is set. Refer to the following flowchart. DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED FUNCTION Screen Peek OPERAND － ...
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... The start point must be set using the Set Address Pointer command. (Note 1) If the attribute function is being used, this command is not available. (With Attribute data is graphic area data.) Refer to the following flowchart. DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED FUNCTION Screen Copy OPERAND － ...
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... Bit Reset 11111 ××× Bit Set 1111 × 000 Bit 0 (LSB) 1111 × 001 Bit 1 1111 × 010 Bit 2 DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED OPERAND － － － － － Page ...
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... This command use to set or reset a bit of the byte specified by the address pointer. Only one bit can be set/reset at a time. Refer to the following flowchart. 4.7 CHARACTER ROM MAP DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED － － － X: invalid － ...
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... DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED Page ...
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... CE,RD,WR Pulse t ,t CDS Width Data Set-up Time t DS Data Hold Time t DH Access Time t ACC Output Hold Time t OH DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED Min Typ － 100 － － 80 RD, WR － 80 － 40 － － ...
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... Viewing Angle in FSTN θ 3 θ 4 Contrast Ratio CR Tr Response Time Tf Driving Method Duty Viewing Direction Note 1: definition of viewing angle θ 1 & θ 2 DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED Condition Min Typ CR≥ CR≥ CR≥ CR≥ CR≥ ...
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... Selected Wave Intensity 100 Cr Max Vop [positive type] Note 4: definition of response time ％ ％ DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED Intensity 100％ Non-selected Wave Cr Max Cr = Loff / Lon Driving Voltage( itio ity 1 0 ％ ％ Selected Wave ...
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... Linearity 6.2 TOUCH SCREEN MECHANICAL CHARACTERISTICS Item Operating Force Surface Hardness Light Transmission Durability for Pen Selection DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED Specification 250 to 750 ohms 250 to 800 ohms More than 20Mohms Less than 10ms +/- 1,0% ...
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... TOUCH SCREEN MECHANICAL DRAWING DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED Page ...
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... Reverse Voltage Luminous Intensity before through LCD Life time Colour HI-BRIGHTNESS Item Symbol Supply Current Forward Voltage Reverse Voltage Luminous Intensity before through LCD Life time Colour DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED Condition Min 3, 180mA 180mA ...
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... Colour 7.1.3 YELLOW GREEN EDGE LED BACKLIGHT CHARACTERISTICS Item Symbol Supply Current Forward Voltage V Reverse Voltage V Luminous Intensity I LED Peak Emission λ p Wavelength Life time Colour DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED Condition Min 4. 900mA - 900mA 160 ...
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... CCFL BACKLIGHT CHARACTERISTICS Item Symbol Supply Voltage Starting Voltage Supply Current Lamp Power Luminous Intensity Chromaticity Life time Colour DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED Condition Min 5mA 230 25°C Vs 0° 5mA 250 V (X) ...
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... Critical defect Dimension Display Major defect Backlight LCD Minor defect COB PCB DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED Defect type Non display Over current Missing segment Wrong viewing direction Backlight OFF PCB and bezel out of specification Incorrect operating ...
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... Appearance is inspected at the best contrast voltage (best contrast is adjusted considering clearness and crosstalk on screen). • Inspect the module at 45° right and left, top and bottom. • Use the optimum viewing angle during the contrast inspection. DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED eye 45° 45° ...
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... Polariser bubble X 4 Segment 1.a. Pin hole on segmented display deformation W: segment width ∅ = (A+B)/2 DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED Criteria Size ∅<0.1 Y 0.1<∅<0.2 0.2<∅<0.3 0.3<∅ Acceptable quantity W ...
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... No unmelted solder paste should be present on PCB Cold solder joints, missing solder connections, or oxidation are not allowed No residue or solder balls on PCB are allowed Short circuits on components are not allowed DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED Criteria Acceptable quantity Size a,b< ...
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... High Temperature Storage Low Temperature Storage High Temperature & High Humidity Storage Thermal Shock Test Vibration ESD Shock Test DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED Test Condition 50°C or 70℃ 200hrs 0°C or -20℃ 200hrs 70°C or 80℃ 200hrs -20° ...
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... Store the display in a dark place where the temperature is 25°C ± 10°C and the humidity below 50%RH. Store the display in a clean environment, free from dust, organic solvents and corrosive gases. Do not crash, shake or jolt the display (including accessories). DENSITRON TECHNOLOGIES plc. – PROPRIETARY DATA – ALL RIGHTS RESERVED Page ...