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| SPECIFICATION FOR LCD MODULE Model No. TM402GFF8 Prepared by: Checked by : Verified by : Approved by: Date: Date: Date: Date: TIANMA MICROELECTRONICS CO., LTD Ver 1.0 REVISION RECORD Date Ver. Ref. Page Revision No. Revision Item 1/22 Ver 1.0 1 General Specifications: 1.1 Display type: STN 1.2 Display color*1: Display color*2: White Background: Blue 1.3 Polarizer mode: Transmissive/Negative 1.4 Viewing Angle: 6:00 1.5 Driving Method: 1/16 Duty 1/5 Bias 1.6 Backlight: LED 1.7 Controller: SPLC780A1-01C-C 1.8 Display Fonts: 5 x 7 dots+Cursor (1 Character) 1.9 Data Transfer: 8 Bit Parallel 1.10 Operating Temperature: 0----+50 Storage Temperature: -20----+60 1.11 Outline Dimensions: Refer to outline drawing on next page 1.12 Dot Matrix: 40 Characters X 2 Lines 1.13 Dot Size: 0.65X0.60(mm) 1.14 Dot Pitch: 0.70X0.65 (mm) 1.15 Weight: Approx 82g *1 Color tone is slightly changed by temperature and driving voltage. *2 Color tone will be changed by backlight. 2/22 Ver 1.0 2 Outline Drawing 3/22 Ver 1.0 3 LCD Module Part Numbering System TM402G F F 8 MODIFICATION CODE DESIGNATOR BACKLIGHT TYPE F: TRANSMISSIVE LED BACKLIGHT LCD TYPE F:BULE MODE STN NEGATIVE MODULE SERIES MODULE TYPE 3 DIGITS INDICATING 40 CHARACTERS X 2 LINES T: TIANMA M: MODULE 4/22 Ver 1.0 4 Circuit Block Diagram 5/22 Ver 1.0 5 Absolute Maximum Ratings Item Power Supply Voltage LCD Driving Voltage Operating Temperature Range Storage Temperature Range Symbol VDD VSS VLCD TOP Min. -0.3 -0.3 0 Max. 7.0 V 13.0 +50 Unit Remark No Condensation TST -20 +60 6/22 Ver 1.0 6 Electrical Specifications and Instruction Code 6.1 Electrical characteristics Item Symbol Supply Voltage (Logic) Supply Voltage (LCD Drive) High VDD VSS Min. 4.5 Typ. 5.0 Max. 5.5 Unit V VLCD VIH VDD=5.0 VIL VDD=5.0 IDD (VDD- VSS=5.0V) IEE ILED - 4.7 - V Input Signal Voltage 0.7VDD - VDD+0.3 V Low -0.3 - 0.2 VDD V Supply current (Logic) Supply current (LCD Drive) Supply current (LED) - 1.4 - mA - 0.85 410.3 mA mA 7/22 Ver 1.0 6.2 Interface Signals Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Symbol Vss Vcc VO RS R/W E DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 LED+ LED- Level 0V 5.0V 0.3V H/L H/L H/L H/L H/L H/L H/L H/L H/L H/L H/L 4.2V 0v Description Ground Power supply voltage for logic and LCD(+) Power supply voltage for LCD(-) Selects registers Read/Write Signal Chip enable Signal Data bit0 Data bit1 Data bit2 Data bit3 Data bit4 Data bit5 Data bit6 Data bit7 Backlight Power Supply(+) Backlight Power Supply(-) 8/22 Ver 1.0 6.3 Interface Timing Chart AC CHARACTERISTICS ( TA = 25 , VDD = 4.5 to 5.5V ) WRITE MODE ( Writing data from MPU to SPLC780A1 ) Limit Characteristics E Cycle Time E Pulse Width E Rise/Fall Time Address Setup Time Address Hold Time Data Setup Time Data Hold Time Symbol Min. tC tPW tR, tF tSP1 tHD1 tSP2 tHD2 400 150 30 10 40 10 Typ. Max. 25 ns ns ns ns ns ns ns Pin E Pin E Pin E Pins: RS, R/W, E Pins: RS, R/W, E Pins: DB7 - 0 Pins: DB7 - 0 Unit Test Condition READ MODE ( Reading data from SPLC780A1 to MPU ) Limit Characteristics E Cycle Time E Pulse Width E Rise/Fall Time Address Setup Time Address Hold Time Data Output Delay Time Data hold time Symbol Min. tC tW tR, tF tSP1 tHD1 tD tHD2 400 150 30 10 20 Typ. Max. 25 100 ns ns ns ns ns ns ns Pin E Pin E Pin E Pins: RS, R/W,E Pins: RS, R/W,E Pins: DB7 - 0 Pin DB7 - 0 Unit Test Condition 9/22 Ver 1.0 WRITE MODE TIMING DIAGRAM ( Writing data from MPU to SPLC780A1 ) RS VIH1 VIL1 tSP1 VIL1 tPW VIH1 VIL1 tHD1 VIL1 tF tHD1 VIH1 VIL1 tSP2 VIL1 tHD2 VIH1 VIL1 VIH1 VIL1 tR VIH1 VIL1 R/W E DB7 - 0 Valid Data tC READ MODE TIMING DIAGRAM ( Reading data from SPLC780A1 to MPU ) RS VIH1 VIL1 tSP1 VIH1 tPW VIH1 VIL1 tHD1 VIH1 R/W tF tHD1 VIH1 VIL1 tHD2 Valid Data tC VIH1 VIL1 VIL1 E tR DB7 - 0 VIH1 VIL1 tD VIH1 VIL1 10/22 Ver 1.0 6.4 Instruction Code 8-Bit operation and 8-digit 2-line display (using internal reset) No. 1 Instruction Power on . ( SPLC780A1 starts initializing ) Function set RS R/W DB7 DB6DB5DB4DB3DB2 DB1DB0 0 0 0 0 1 1 1 0 X X Display Operation Power on reset . No display . Set to 8-bit operation and select 2-line display line and 5 x 7 dot character font . 2 Display on / off control 3 0 0 0 0 0 0 1 1 1 0 _ Display on . Cursor appear . Increase address by one . It will shift the cursor to the right when writing to the DD RAM / CG RAM . Now the display has no shift . Write " W " . The cursor is incremented by one and shifted to the right . Entry mode set 4 0 0 0 0 0 0 0 1 1 0 _ Write data to CG RAM / DD RAM 5 1 0 0 1 0 1 0 1 1 1 W_ 6 Write data to CG RAM / DD RAM 7 1 0 0 1 0 0 0 1 0 1 WELCOME _ WELCOME T_ Write " E " . The cursor is incremented by one and shifted to the right . It sets DD RAM's address . The cursor is moved to the beginning position of the 2nd line . Write " T " . The cursor is incremented by one and shifted to the right . WELCOME_ Set DD RAM address 8 0 0 1 1 0 0 0 0 0 0 Write data to CG RAM / DD RAM 9 1 0 0 1 0 1 0 1 0 0 10 Write data to CG RAM / DD RAM 11 1 0 0 1 0 1 0 1 0 0 WELCOME TO PART_ WELCOME TO PART_ ELCOME O PARTY_ Write " T " . The cursor is incremented by one and shifted to the right . When writing , it sets mode for the display shift . Write " Y " . The cursor is incremented by one and shifted to the right . Entry mode set 12 0 0 0 0 0 0 0 1 1 1 Write data to CG RAM / DD RAM 13 1 0 0 1 0 1 1 0 0 1 14 Return home 15 0 0 0 0 0 0 0 0 1 0 WELCOME TO PARTY Both the display and the cursor return to the original position ( address 0 ) . 11/22 Ver 1.0 6.5 Character generator ROM(SPLC780A1-01) b7b3 b4 0000 -b0 CG 0000 RAM (1) 0001 (2) 0010 0011 0100 0101 0110 0111 1010 1011 1100 1101 1110 1111 0010 (3) 0011 (4) 0100 (5) 0101 (6) 0110 (7) CG RAM (8) CG RAM (1) (2) 0111 1000 1001 1010 (3) 1011 (4) 1100 (5) 1101 (6) 1110 (7) CG RAM (8) 1111 12/22 Ver 1.0 7 Optical Characteristics 7.1 Optical Characteristics Item Symbol Condition Min. Typ. Ta=25 Max. Unit x y=0 -35 -- 20 Deg Viewing Angle y Cr2 x=0 -30 -- 30 Contrast Ratio Turn on Turn off Cr x=0 y=0 4.0 - - Ton x=0 y=0 - - 250 ms Response Time Toff - - 250 13/22 Ver 1.0 7.2 Definition of Optical Characteristics 7.2.1 Definition of Viewing Angle Top Top Bottom 7.2.2 Definition of Contrast Ratio Bottom Contrast Ratio = B2/B1 = Measuring Conditions: 1) Ambient Temperature: 25 7.2.3 Definition of Response time unselected state brightness selected state brightness ; 2) Frame frequency: 78.1Hz Turn on time: t o n = t d + t r Turn off time: t o f f = t d + t f Measuring Condition: 1) Operating Voltage: 4.7V 2) Frame frequency: 78.1Hz 14/22 Ver 1.0 8 Reliability 8.1 Content of Reliability Test No. Test Item 1 High Temperature Storage Low Temperature 2 Storage 3 Content of Test Endurance test applying the high storage temperature for a long time Endurance test applying the low storage temperature for a long time Endurance test applying the High Temperature electric stress (voltage current) Operation and the thermal stress to the element for a long time Endurance test applying the Low Temperature electric stress under low Operation temperature for a long time Endurance test applying the high High Temperature temperature and high humidity /Humidity Storage storage for a long time Endurance test applying the low and high temperature cycle Temperature -20 25 60 25 Cycle 30min 5min 30min 5min 1 cycle Vibration Test (package state) Shock Test (package state) Atmospheric Pressure Test Endurance test applying the vibration during transportation Endurance test applying the shock during transportation Endurance test applying the atmospheric pressure during transportation by air Ta=25 Test condition 60 96H -20 96H 50 96H 0 96H 40 90%RH 96H -20 /60 4 5 6 10 cycles 10Hz~150Hz 50m/s2 40min Half- sine wave 100m/s2, 11ms 40kPa 16H 7 8 9 15/22 Ver 1.0 8.2 Failure Judgment Criterion Criterion Item Basic Specification Electrical specification Mechanical Specification Optical Characteristic Note Remark Test Item No. 123456789 Failure Judgement Criterion Out of the basic Specification Out of the electrical specification Out of the mechanical specification Out of the optical specification For test item refer to 8.1 Basic specification = Optical specification + Mechanical specification 16/22 Ver 1.0 9 QUALITY LEVEL Examination At Ta=25 or Test (unless otherwise stated) Min. Inspection Max. Unit IL AQL Under normal Major illumi-nation and External 1.0 II eyesight condition, the See Appendix A Visual Minor dis-tance between eyes Inspection 2.5 and LCD is 25cm. Major Under normal 1.0 illumi-nation and Display See Appendix B II Minor eyesight condition, Defects 2.5 display on inspection. Note: Major defects: Open segment or common, Short, Serious damages, Leakage Miner defects: Others Sampling standard conforms to GB2828 17/22 Ver 1.0 10 Precautions for Use of LCD Modules 10.1 Handling Precautions 10.1.1 The display panel is made of glass. Do not subject it to a mechanical shock by dropping it from a high place, etc. 10.1.2 If the display panel is damaged and the liquid crystal substance inside it leaks out, be sure not to get any in your mouth, if the substance comes into contact with your skin or clothes, promptly wash it off using soap and water. 10.1.3 Do not apply excessive force to the display surface or the adjoining areas since this may cause the color tone to vary. 10.1.4 The polarizer covering the display surface of the LCD module is soft and easily scratched. Handle this polarizer carefully. 10.1.5 If the display surface is contaminated, breathe on the surface and gently wipe it with a soft dry cloth. If still not completely clear, moisten cloth with one of the following solvents: Isopropyl alcohol Ethyl alcohol Solvents other than those mentioned above may damage the polarizer. Especially, do not use the following: Water Ketone Aromatic solvents 10.1.6 Do not attempt to disassemble the LCD Module. 10.1.7 If the logic circuit power is off, do not apply the input signals. 10.1.8 To prevent destruction of the elements by static electricity, be careful to maintain an optimum work environment. a. Be sure to ground the body when handling the LCD Modules. b. Tools required for assembly, such as soldering irons, must be properly ground. c. To reduce the amount of static electricity generated, do not conduct assembly and other work under dry conditions. d. The LCD Module is coated with a film to protect the display surface. Be care when peeling off this protective film since static electricity may be generated. 18/22 Ver 1.0 10.2 Storage precautions 10.2.1 When storing the LCD modules, avoid exposure to direct sunlight or to the light of fluorescent lamps. 10.2.2 The LCD modules should be stored under the storage temperature range. If the LCD modules will be stored for a long time, the recommend condition is: 40 Temperature : 0 Relatively humidity: 80% 10.2.3 The LCD modules should be stored in the room without acid, alkali and harmful gas. 10.3 The LCD modules should be no falling and violent shocking during transportation, and also should avoid excessive press, water, damp and sunshine. 19/22 Ver 1.0 Appendix A Inspection items and criteria for appearance defects Items Leakage Rainbow Wrong polarizer attachment Polarizer Bubble between polarizer and glass Scratches of polarizer Black spot (in viewing area) Contents Criteria Not permitted According to the limit specimen Not permitted Not counted <0.3mm Max. 3 defects allowed 0.3mm 0.5mm According to the limit specimen Not counted Max. 3 spots allowed X<0.2mm X=(a+b)/2 0.2mm X 0.5mm Max. 3 spots (lines) allowed Black line (in viewing area) Not counted a<0.02mm Max. 3 lines allowed 0.02mm a 0.05mm b 2.0mm Progressive cracks Not permitted 20/22 Ver 1.0 Appendix B Inspection items and criteria for display defects Items Contents Critera Not permitted Not permitted Not permitted According to the limit specimen According to the limit specimen Not counted X<0.1mm X=(a+b)/2 Pin holes and cracks in segment (DOT) Not counted A<0.1mm Max.2 dots allowed 0.1mm A 0.2mm D<0.25mm Max.3 dots allowed 0.1mm X 0.2mm Max.3 dots allowed Open segment or open common Short Wrong viewing angle Contrast radio uneven Crosstalk Black spot (in viewing area) Not counted X<0.1mm X=(a+b)/2 Max.3 spots allowed 0.1mm X 0.2mm Max.3 spots (lines) allowed Black line (in viewing area) Not counted a<0.02mm Max.3 lines allowed 0.02mm a 0.05mm b 0.5mm 21/22 Ver 1.0 Appendix B Inspection items and criteria for display defects (continued) Items Content Critera Not counted x 0.1mm Max. 2 defects allowed 0.1mm x 0.2mm x=(a+b)/2 Not counted a Transformation of segment 0.1mm Max. 1 defects allowed 0.1mm a 0.2mm D>0 Max.3 defects allowed Max.2 defects allowed 0.8W a 1.2W a=measured value of width W=nominal value of width 22/22 Ver 1.0 |
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