"user manual"
Contents
1. LCD CONTROLLER DRIVER Y o o A A A A yy y y y y y wy wy Y Y Yo y 0 y Figure 2 Block Diagram EPD 12864 XX REV D COG EPD 12864 OCT 2009 PAGE 8 OF 15 2222222224 WYYYYYY VYN NNY COG Version IC Interface DO SCLK D1 SDIN SPI interface contacts SMT Pads Figure 3 Circuit Diagram EPD 12864 XX REV D COG EPD 12864 OCT 2009 PAGE 9 OF 15 Interface Signals 1 It is the high voltage power input pin and panel driving voltage It should be connected to VCP1 2 Panel driving voltage If bias divider is enabled with the presence of VO The voltage is equal to 1 N VO where N is equal to the Bias ratio Setting 3 Panel driving voltage If bias divider is enabled with the presence of VO The voltage is equal to 2 N VO where N is equal to the Bias ratio Setting Panel driving voltage If bias divider is enabled with the presence of VO The voltage is equal to N 2 N VO where N is equal to the Bias ratio Setting 5 Panel driving voltage If bias divider is enabled with the presence of VO The voltage is equal to N 1 N VO where N is equal to the Bias ratio Setting DD 6 VDD _ This pin is the system power supply pin of the logic block 7 VDDIO Power supply for interface logic level It should be match with t2. LINSANDISSV Nid EPD 12864 XX REV D COG EPD 12864 OCT 2009 PAGE 6 OF 15 S0 0F 0 7 dALE 0 Ad h TII GNIS sus auos TE 987 IGd4 ON LJAPOH ds Worjeonroees ampon NOT J TLL JdVL LNJAGOSOJNEM AVI gt S 0458 Ge D UE MAIKEL AVOTS BOL DE SWIIVHSEWILNOLLVIIO NOLLY INSAVON APT 3DVITOA DNIARIT G97 AOE SDVITOA DIDO Tora WARWIETIOLNOD E71 HAHEDS DNIARIG UDE OLLVUSVIS ANV OLVE XNA TIONVTIV TIONV DNIAGIA NOLLO3NNO9 LOG Kol NOLLTIOSEX AV 14510 MOTIAHONY UO TALOT LEE HA UDE po HOYIaPINId BALLOT HET HA COU 99 MOTISAMOVIA HALLO TERI HAY OO s0 vue NGHUDIHDIUNISNDGIVT HALLOTLESU FA COM vo WAEWVW CTY ALOT TATE A OA pg VY AUHAVANISHALLOTTEN IA 00 20 S I Module Specification 93s H 4e193s DIS Xv O OL 0938 2d ta SLUG 9 X 8cl m Figure 1 y cos e Vy A HP TE WA SG6 a J m cass vv 019 WA CATNO 3ONGN3338 YIMDLSNO A04 IZIS SLOD 4 TM Z OFO0 G9 ri S10 0 gt GIO Ome Iv 0 EPD 12864 XX REV D COG EPD 12864 OCT 2009 PAGE 7 OF 15 COG EPD12864 GRAPHIC LCD DISPLAY 128 X 64 DOTS
3. 3 OF 15 CONTENTS Page No TECHNOLOGY DESCRIPTION 4 TYPICAL APPLICATIONS 4 GENERAL DESCRIPTION MECHANICAL SPECIFICATIONS INTERFACE SIGNALS ABSOLUTE MAXIMUM RATINGS ELECTRICAL MAXIMUM RATINGS FOR IC ONLY ENVIRONMENTAL CONDITION ELECTRICAL SPECIFICATIONS TYPICAL ELECTRICAL CHARACTERISTICS TIMING SPECIFICATIONS TEMPERATURE COMPENSATION OPTICAL CHARACTERISTICS AT 25 C OPTICAL CHARACETRISTICS DEFINITION VIEW ANGLE CONTRAST RATIO LCD COSMETIC CONDITIONS REMARK EPD 12864 XX REV D COG EPD 12864 OCT 2009 PAGE 4 OF 15 GOOD DISPLAY Specification of LCD Module Type Model No EPD 12864 XX Technology Description BCD Bi stable Cholesteric Display is a sunlight readable reflective LCD with extremely low power consumption characteristics Due to the non volatile memory feature of the technology zero power is required to retain the image of the display Energy is only required to change the displayed image No backlighting is required only ambient lighting from the surrounding is required Readability when under direct sunlight is excellent and good contrast from viewing at very wide angles are possible Typical Applications This module is intended for general purpose graphic and character display applications Suggested uses include instrumentation remote control electronic product or price label point of sale display general purpose indoor or outdoor signage and information displa
4. Optimum viewing area Cr22 Vop Optimum voltage 6 0 EPD 12864 XX REV D COG EPD12864 Les OCT 2009 PAGE 14 OF 15 8 1 Optical Characteristics Definition 8 1 1 Viewing Angle NORMAL 12 O CLOCK DIRECTION 9 O CLOCK 3 O CLOCK 6 O CLOCK DIRECTION Figure 5 8 1 2 Contrast Ratio B1 pixel luminance at stable dark state B2 pixel luminance at stable bright state Contrast Ratio B2 B1 LCD Cosmetic Conditions a Reference document follow GD QUA 012A b LCD size of the product is small LEI EPD 12864 XX REV D COG EPD 12864 OCT 2009 PAGE 15 OF 15 10 Remark HANDLING LCD AND LCD MODULES 1 Liquid Crystal Display LCD LCD is made up of glass organic sealant organic fluid and polymer based polarizers The following precautions should be taken when handling a Keep the temperature within range for use and storage Excessive temperature and humidity could cause polarization degredation polarizer peel off or bubble generation When storage for a long period over 40 C is required the relative humidity should be kept below 6096 Do not contact the exposed polarizers with anything harder than an HB pencil lead To clean dust off the display surface wipe gently with cotton chamois or other soft material soaked in petroleum benzin Never scrub hard Varitronix does not responsible for any polarizer defect after the protective film has b
5. XX REV D COG EPD12864 OCT 2009 PAGE 10 OF 15 6 Absolute Maximum Ratings 6 1 Electrical Maximum Ratings For IC Only Table 3 Symbol 0 3 Min Vpp 0 5 3 6 OT Ww m Denies Referenced to V VSS 0V Input voltage Notel TA 25 C Note2 The maximum applicable voltage on any pin with respect to VSS OV Note3 The modules may be destroyed if they are used beyond the absolute maximum ratings 6 2 Environmental Condition Table 4 Storage empeche temperature Topr Tstg Remark Note 1 90 max RH for Ta lt 40 C Humidity Note 1 lt 50 RH for 40 C lt Ta lt Maximum operating No condensation temperature ibration IEC 68 2 6 Frequency 10 55 Hz ells must be mounted ona Amplitude 0 75 mm 3 directions suitable connector Duration 20 cycles in each direction Pulse duration 11 ms hock IEC 68 2 27 Peak acceleration 981 m s 100g D Half sine pulse shape Number of shocks 3 shocks in 3 mutually perpendicular axes Note 1 Product cannot sustain at extreme storage conditions for long time Operating EPD 12864 XX REV D COG EPD 12864 OCT 2009 PAGE 11 OF 15 Electrical Specifications 7 1 Typical Electrical Characteristics At Ta 25 C VDD 3 0V 5 VSS 0V Table 5 od Eves Aa a Joy Sem L YCEVSS wBD 35 yv SA Te A A Input signal Input signal Supply current DP VDD 30V 04 05 mA ii ve oo 20 ma Internally Gene
6. LEI LCD Module User Manual LCD Module User Manual MODULE NO EPD12864 XX REV D Dalian Good Display Co Ltd TEL 86 411 84619565 84573876 FAX 86 411 84619585 E mail sales good led com en Website http www good Icd com Dalian Good Display Co Ltd EPD12864 XX REV D COG EPD 12864 LE J OCT 2009 PAGE 2 OF 15 DOCUMENT REVISION HISTOR DOCUMENT REVISION DATE DESCRIPTION FROM TO A 2008 01 21 First Release LINDA GAO KE Note EPD 12864 XX included ZHU QIANG EPD 12864 02 03 04 05 06 07 CHANGED CHECKED BY BY B 2008 05 08 Items 1 to 2 were updated LINDA GAO KE 1 Page 10 Table 5 The value of VLCD was updated ZHU QIANG 2 Page 12 Table 7 It was updated C 2008 07 25 Items 1 3 were updated JOE TSANG FU 1 Page 7 Fig 2 The term LCD controller driver is CHEUNG ON used 2 Page 10 table 5 Supply voltage VCI and supply current ICI was added and supply current IDD was updated 3 Page 12 point 7 3 Temperature Compensation was updated D b009 10 22 Items 1 5 were updated 1 Page6 Fig 1 Module Specification was updated 2 Page8 Fig 3 Circuit Diagram was added 3 PagelO Table3 Environmental Condition was updated 4 Pagell Table5 Typical Electrical Characteristics was updated 5 Pagel3 Table7 Temperature Compensation was updated EPD 12864 XX REV D COG EPD 12864 OCT 2009 PAGE
7. ck cracking 2 2 Static Electricity MDL contains CMOS LST s and the same precaution for such devices should apply namely a The operator should be grounded whenever he comes into contact with the module Never touch any of the conductive parts such as the LSI pads the copper leads on the PCB and the interface terminals with any part of the human body The modules should be kept in antistatic bags or other containers resistant to static for storage Only properly grounded soldering irons should be used If an electric screwdriver is used it should be well grounded and shielded from commutator sparks The normal static prevention measures should be observed for work clothes and working benches for the latter conductive rubber mat is recommended Since dry air is inducive to statics a relative humidity of 50 60 is recommended 2 3 Soldering 1 Solder only to the I O terminals 2 Use only soldering irons with proper grounding and no leakage 3 Soldering temperature is 280 C 10 4 Soldering time 3 to 4 seconds 5 Use eutectic solder with resin flux fill 6 If flux is used the LCD surface should be covered to avoid flux spatters Flux residue should be removed afterwards 7 Use proper de soldering methods e g suction type desoldering irons to remove lead wires from the VO terminals when necessary Do not repeat the soldering desoldering process more than three times as the pads and plated through
8. een removed from the display Wipe off saliva or water drops immediately Contact with water over a long period of time may cause polarizer deformation or color fading while an active LCD with water condensation on its surface will cause corrosion of TTO electrodes PETROLEUM BENZIN is recommended to remove adhesives used to attach fronvrear polarizers and reflectors while chemicals like acetone toluene ethanol and isopropyl alcohol will cause damage to the polarizer Avoid oil and fats Avoid lacquer and epoxies which might contain solvents and hardeners to cause electrode errosion Some solvents will also soften the epoxy covering the DIL pins and thereby weakening the adhesion of the epoxy on glass This exposed electrodes to erode electrochemically when operating in high humidity and condensing environment Glass can be easily chipped or cracked from rough handling especially at corners and edges Do not drive LCD with DC voltage When soldering DIL pins avoid excessive heat and keep soldering temperature between 260 C to 300 C for no more than 5 seconds Never use wave or reflow soldering will cause the 2 Liquid Crystal Display Modules MDL 2 1 Mechanical Considerations MDL are assembled and adjusted with a high degree of precision Avoid excessive shocks and do not make any alterations or modifications The following should be noted 1 Do not tamper in any way with the tabs on the metal frame 2 Do not modi
9. fy the PCB by drilling extra holes changing its outline moving its components or modifying its pattern G Do not touch the elastomer connector conductive rubber especially when inserting an EL panel LIMITED WARRANTY GOOD DISPLAY LCDs and modules are not consumer products but may be consumer products or components thereof GOOD DISPLAY does not warrant that its LCDs and incorporated by GOOD DISPLAY components are fit for any such particular purpose Ly The liability of GOOD DISPLAY is limited to repair or replacement on the terms set forth below GOOD DISPLAY will not be responsible for any subsequent or consequential events or injury or damage to any personnel or user including third party personnel and or user Unless otherwise agreed in writing between GOOD DISPLAY and the customers into 4 When mounting MDL make sure that the PCB is not under any stress such as bending or twisting Elastomer contacts are very delicate and missing pixels could result from slight dislocation of any of the elements Avoid pressing on the metal bezel otherwise the elastomer connector could be deformed and lose contact resulting in missing pixels If FPCA need to be bent please refer the suggested bending area on the specification The stiffener and component area on FPC FFC COF must not be bent during or after assembly Note for those models with FPC FFC COF stiffener 7 Sharp bending should be avoided on FPC to prevent tra
10. ght or fluorescent light Keep the temperature between 0 C and 35 C and the relative humidity low Please consult GOOD DISPLAY for other storage requirements Water condensation will affect reliability performance of the display and is not allowed Semi conductor device on the display is sensitive to light and should be protected properly Power up down sequence a Power Up in general LCD supply voltage Vo must be supplied after logic voltage VDD becomes steady Please refer to related IC data sheet for details Power Down in general LCD supply vol Vo must be removed before logic vo VDD turns off Please refer to related IC data sheet for details 5 Safety If any fluid leaks out of a damaged glass cell wash off any human part that comes into contact with soap and water Never swallow the fluid The toxicity is extremely low but caution should be exercised at all times GOOD DISPLAY LCD Acceptance Standards No warranty can be granted if any of the precautions stated in HANDLING LCD and LCD Modules above have been disregarded Broken glass scratches on polarizers mechanical damages as well as defects that are caused by accelerated environmental tests are excluded from warranty In returning the LCD and Modules they must be properly packaged customer GOOD DISPLAY will only replace or repair any of its LCD which is found defective electrically or visually when inspected in IMPORTANT NOTICE The information pre
11. he MCU interface voltage level It must always be equal or lower than VDD D C This pin is Data Command control pin D C A high at D C indicates data input while a low at D C indicates command input These pins are the chip select inputs for communication between MCU gen To select the chip CS1 must be low and CS2 must set high CSI CS1 For serial mode it is needed to select the chip which CS 1 must be low and CS2 must set high RESET This pin is the reset signal input Initialization of the chip is started once this pin 10 Mh RES is pulled low Minimum pulse width for reset sequence is 20us SCLK In serial interface mode D1 is the serial data input SD DO is the serial clock input SCLK BUSY A high level indicates busy status output driving waveform of the driver 15 VCP1 DC DC output voltage Connect with a capacitor to VSSC It should be connected to VO DC DC flying capacitor terminal Connect a capacitor between CIN and CIP 18 VCP DC DC intermediate output voltage Connect with a capacitor to VSSC If using external mode with HV buffer enabled it should be connected to VO 20 EN Corect a caputo eeen aN cz Connect a capacitor between C2N and C2P DC DC intermediate output voltage Connect with a capacitor to VSSC Connect a capacitor between C3N and C3P Connect a capacitor between C4N and C4P Power supply for DC DC converter and analog part of the chip It should be connected to VDD EPD EPD12864
12. holes may be damaged 2 4 Label Identification labels will be stuck on the module without accordance with copies available on request for a period of one year from the date of shipment Confirmation of such date shall be based on freight documents obstructing the viewing area of display 3 Operation 1 The viewing angle can be adjusted by varying the LCD driving voltage Vo Driving voltage should be kept within specified range excess voltage shortens display life 3 Response time increases with temperature 4 Display may turn black or dark Blue at temperatures above its operational range this is however not destructive and the display will return to normal once the temperature falls back to range Mechanical disturbance during operation such as pressing on the viewing arca may cause thc segments to appear fractured They will recover once the display is turned off Condensation at terminals will cause malfunction and possible electrochemical reaction Relative humidity of the environment should therefore be kept below 6096 Display performance may vary out of viewing area If there is any special requirement on performance out of viewing area please consult Varitronix decrease in 4 Storage and Reliability 1 LCD s should be kept in sealed polyethylene bags while MDL s should use antistatic ones If properly scaled there is no need for desiccant Store in dark places and do not expose to sunli
13. rated EPD 12864 XX REV D COG EPD 12864 OCT 2009 PAGE 12 OF 15 7 2 Timing Specifications At Ta 25 C VDD VCI VDDIO 3 0V 5 Table 6 Parameter Clock Cycle Time Address Setup Time Address Hold Time Write Data Setup Time Write Data Hold Time Clock Low Time Clock High Time Chip Select Setup Time for D7 input Chip Select Hold Time for DO input Rise Time Fall Time SCK D0 SCK D0 PLE LE LT LE LI LE LE o KB KD Figure 4 Timing characteristic of 4 wires Serial Interface EPD 12864 XX REV D COG EPD 12864 OCT 2009 PAGE 13 OF 15 7 3 Temperature Compensation Table 7 TC Table View Area View Area Idle Active Area Active Area Idle Drive Temperature T CC Clear Duration ms Duration ms Clear Duration ms Duration ms Duration ms 100 12 6 100 12 18 150 12 35 200 12 50 250 12 80 50 lt T lt 70 6 12 10 lt T lt 50 18 12 O lt T lt 10 33 12 5 lt T lt 0 50 12 10 lt T lt 5 80 12 15 lt T lt 10 150 12 350 12 150 20 lt T lt 15 350 12 700 12 350 Notes For details please reference to BCD application notes Optical Characteristics at 25 C Condition VDD 3 0V VLCD 24V 25 C CR 61 6 o clock 6 0 02 12 o clock gt 61 3 o clock 92 9 o clock Item Image refresh time Contrast ratio
14. sented in this document has been carefully checked and is believed to be accurate however no respons and there should be detailed description of the failures or defects ility is assumed for inaccuracies GOOD DISPLAY reserves the right to make changes to any specifications without further notice for performance reliability production technique and other considerations GOOD DISPLAY does not assume any liability arising out of the application or use of products herein Please see Limited Warranty in the previous section Good Display reserves the right to change this specification Tel 86 411 84619565 Fax 86 411 84619585 URL http www good led com
15. y General Description Passive matrix bistable cholesteric display Positive reflective LCD graphic module Color Blue amp White EPD 12864 02 Red amp Amber EPD 12864 03 Dark Green amp Light Green EPD 12864 04 Black amp Yellow EPD 12864 05 Pink amp Peach EPD 12864 06 Orange amp Yellow EPD 12864 07 Display resolution 128 x 64 dots Viewing angle all angles for inclinations of lt 70 CR gt 3 4 wires Serial Interface LCD Controller Drivers Driving scheme Special BCD driving scheme Logic voltage 3 0 V FPC connection The module does not contain polarizer and the customer is recommended to add a UV cut filter 98 blocking of 380nm and lower spectral components The module is licensed by Kent Display Systems EPD 12864 XX REV D COG EPD 12864 OCT 2009 PAGE 5 OF 15 Mechanical Specifications The mechanical detail is shown in Fig 1 and summarized in Table 1 below Table 1 66 0 W x 78 4 H x 1 4 D Include FPC 40 I 133HS NUISN3MIU 30333438 CE XX F98C 10d WIL me tie JAS XX 498TTAdH NOILdIAOS30 XX p98TTAdH ON Will 331 Lilad 03A0UddV ETA DDN ND TD eser n es 03323H2 u nv amp ae u 9 NX NAVHS NMYYO Qa OIGGA ada TA 31va cr NC eel 8 L 9 E NOILO3POYd 3IONV GUIHL MHL TIVAJAO TWIS NI LIN DE FTVIS 3 7 OG el V N _ HSINIA Y N TIVIMILVN i G0 0 TG 1 82 X8 0d Trav IDONV WW NI SNOISN3MIG
Download Pdf Manuals
Related Search