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LCD12864-COG
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1. Note b co Ba amp da88 B hex Turn on Power Supply VDD amp VSS While eis WIE TERR bI eal E maintaining RES at LOW Y Wait until power supply is stabilized lt l Y Release the RES Reset Signal E IA EET ET z See AC Characteristics section for timing RES High details U LCD Bias 1 9 1 1 0 0 011101 A2H LCD Characteristics Y ADC Normal 1 1 0 0 0 0 0 AOH No flip on x direction SEG Y SHL Reverse 1 0 0 1 0 0 0 C8H Flip on y direction COM i e Display RAM P 0 DO hs c s i e Display Page 0 DO Initial Display Line O 0 010101 0101 0 40H Matched to top line of the LCD y Power Control Voltage Follower OFF 0 alolalalolol acu Turn on the internal Voltage Converter and Voltage Regulator OFF wait until VOUT stable Voltage Converter ON Delay 50ms lolo Power Control Voltage Follower OFF 0 110 41 111 0 2EH Turn on the internal Voltage Regulator and Voltage Regulator OFF wait until VOUT stable Voltage Converter ON Delay 50ms lolo Y Power Control Voltage Follower OFF 0 110 1 41111 2FH Turn on the internal Voltage Follower and Voltage Regulator OFF wait until VOUT stable Voltage Converter ON Delay 50ms Regulator Resistor Select 0 1 0 0 1 0 1 25H Set the built in resistor ratio to middle Y Set Reference Voltage Mode 1 U 101 01017 81H Set to the mi
2. Note a all timing is using 20 and 80 of VDD as the reference b CL 100pF Page 7 of 14 LCD12864 COG 3 4 Reset Timing trw RES tr Normal Running Internal Status End of Reseting gt Vss 0V Top 25 C Note a all timing is using 20 and 80 of VDD as the reference 4 Function specifications 4 1 The Parallel Interface Shared 6800 Mode 8080 Mode Ho P t H Reads the display data E H L PL H LOH writes te display data H L H Staus read H gt L H L gt H Write Command data Page 8 of 14 LCD12864 COG 4 2 Basic Setting To drive the LCD module correctly and provide normally display please use the following seting 1 gt ADC 0 normal 2 gt SHL select 1 reverse 3 gt LCD Bias Select 1 9 4 gt Initial Display Line 0 5 gt Entire Display ON OF OFF normal 6 gt Reverse Display ON OF OFF normal 7 gt Set Power Control Set Voltage follower ON voltage converter ON Voltage regulator ON 8 gt Display ON OF ON 4 3 Resetting the LCD module The LCD module should be initialized bu using RES terminal While turning on the VDD and VSS power supply maintain RES terminal at LOW level After the Power supply stabilized release the reset terminal RES High 4 4 Display Memory Map LCD Display front view DO D7 DO D7 DO D7 L3 14 3 D7 DO D7 DO D7 LE g D7 DO D7 Column Address Page 9 of 14 LCD12864
3. 13 o A A aude eevee E Ee 13 6 7 Salty seek yc A alti Rey LEA ah a el te ua la ey 13 Page 2 of 14 LCD12864 COG 1 Bsaic Specifications 1 1 Display Specifications 1 gt LCD Display Mode FSTN Positive Transflective 2 gt Viewing Angle 6H 3 gt Driving Method 1 64 Duty 1 9 Bias 4 gt Backlight NC 1 2 Mechanical Specifications 1 gt Outline Dimension 39 5 x 31 1 x 2 0mm See attached Outline Drawing for Details PAGE14 1 3 Circuit Diagram LCD Panel 128 x 64 Pixels VDD vss VO V4 CAP2 CAP2 CAP1 CAP1 CAP3 DBO DB7 ST7565R Cortrol Driver IC C86 VOUT RD WR A0 RES CS1 Page 3 of 14 1 4 Terminal Function Pin Name LCD12864 COG Function VDD Power supply voltage Positive This is the parallel data input serial data input switch terminal P S H Parallel data input P S L Serial data input The following applies depending on the P S status Data Command Data Read Write Serial Clock AO DO to D7 IRD WR X AO SI D7 Write only SCL D6 When P S L DO to D5 fixed H RD E and WR R W are fixed to either H or L With serial data input It is impossible read data from RAM C86 MPU interface selection pin V0 V1 V2 V3 V4 LCD driving voltages When internal DC DC voltage converter is used external es RAR el capacitor is connected between these pins 15 VOUT positive voltage supp
4. 1 O Average diameter of solder ball unit mm Minor solder hips 3 0 5 lt L N 1 L Average length of solder chip unit mm 16 Bezel flaw Bezel claw missing or not bent Minor eae 1 Failure to stamp or label error or not legible all acceptable if legible 1 Indication o name plate o The eann ic more than 1 3 for ie discoloration i gum the Minor sampling indication label characters can be checked Page 12 of 14 6 6 1 6 2 6 3 6 4 6 5 6 6 6 7 LCD12864 COG Handling Precautions Mounting method A panel of LCD module made by our company consists of two thin glass plates with polarizers that easily get damaged And since the module in so constructed as to be fixed by utilizing fitting holes in the printed circuit board PCB extreme care should be used when handling the LCD modules Cautions of LCD handling and cleaning When cleaning the display surface use soft cloth with solvent recommended below and wipe lightly Isopropyl alcohol Ethyl alcohol Trichlorotriflorothane Do not wipe the display surface with dry or hard materials that will damage the polarizer surface Do not use the following solvent Water Ketene Aromatics Caution against static charge The LCD module use C MOS LSI drivers So we recommend you Connect any unused input terminal to Vaa or Vss Do not input any signals before power is turned on and ground your body work assembly areas assembly equipment to prot
5. COG 4 5 Display Commands DON 0 display off DON 1 display on Set Page Address Ser Column Address Upper 4 bits Read Display Data Read Display Data Data Read Data Read data from the display RAM Set the display RAM address SEG output ADC Select 1 1 Correspondence ADC 0 Normal ADC 1 Reverse REV 0 Normal REV 1 Reverse EON 0 Normal Entire Display ON OFF 1 1 1 EON 1 Entire display ON Bias 0 1 9 Bias Set LCD Bias Bias 1 1 7 Bias Set Read Modify Write Read Set Read Modify Write Enter the Read pal A mode pe mate Char te Rese Maly Wite mode CIC O e LO module Set the COM scanning direction SHL 0 Normal SHL S elect SHL 1 Flipped in y direction don t care terms Set the power circuit operation mode VF LCD Supply Voltage Follower Power Control Set 1 VR LCD Supply Voltage Regulator VF LCD Supply Voltage Converter 1 ON 0 OFF 110 11010 Set the built in resistor ratio Rb Ra 1 o 1 lofo o o o o Set reference voltage mode 1 Electronic Set reference voltage register Electronic volume register set Gi Controlvalue ge reg Normal Reverse Display 1 0 1 0 0 1 1 S Power Save Compound instruction E Display OFF Entire Display ON Note a For the details of the Display Commands please refer to ST7565R data sheet Page 10 of 14 4 6 Basic Operating Sequence 4 6 1 Initialization Sequence LCD12864 COG Code Function
6. LCD12864 COG LCD Module User Manual Descriptions L Date 01 Prelimiay Release 2008 08 07 LCD12864 COG Table of Content 1 Bsalc SPOCITICATIONS vov cx eiie er ee aya xor uidere de ea de auc end eue edad Ure raire a 3 1 17 Display Specifications iii A e pee eda n Ea Eo nde e Vivek ERES a cae aS 3 1 2 Mechanical Speciications 1 255 5 2 22r ete e ev der re res doce RR Ode a I Aaa 3 1 3 Cir uit Diagr m e EE 3 1 4 Terminal Function sess se e e s e ene e ene he she e sn e sn n ses E 4 2 Absolute Maximum Ratings ss ss sss e esse esse eee c e e eenn 5 3 Electrical Characteristics 000 A tu id 5 aT DG Charaeteristles 55 a A A IR T hA 5 3 2 LED Backlight Circuit NC eee eee 5 3 9 AC el laz oal 6 CA A A O 8 4 Function SPOCITICAHONS as 8 4 1 The Parallel Interact A a a iz 8 ALAS SMN RE ES 9 4 3 Resetting the LCD Modules sese sve secs se scoc esse eser 9 44 Display Memory Map A A A E 9 4 5 Display COMMaNAS O A A dev AS A AAA AAA 10 4 6 Basic Operating SeduenCe eee cece e K K e ron rr nr rr EAA se eese e eese se es e e essen neni 11 5 Inspection Standards eniro re Er exc A ences 12 6 Handling Precautiorns Zy vaya ind epe a ZN NS R E 13 o ToMountng Metodos leo 13 6 2 Cautions or LCD handling and cieaningd sese ee e e K KK 13 6 3 Caution against static Charge ii Hi ck Sd da 13 OA PACKAGING sie ts see alt EHE 13 6 5 Caution for operation e cece KeK
7. ddle of the range it may be adjused Set Reference Voltage Resistor 0 110101 0 10101 20H For achieving the best display contrast Y Display ON 1 1 0 1 1 1 1 AFH Turn on the LCD display T Set Page Address 0 4 alalorololo BOH S the display data RAM page address to Set Column Address Upper 4bit 0 0 0 1 OJO O O 10H Specify the display data RAM column address Set Column Address Lower 4bit 4 0 010101 1101 0 04H to 00H Write Display Data Display Data Write Other Display Data Page 11 of 14 LCD12864 COG 5 Inspection Standards Item Criterion for defects Defect type 1 Display on inspection 1 Non display 2 Vertical line is deficient Major 3 Horizontal line is deficient 4 Cross line is deficient Size mm Acceptable number o lt 0 3 Ignore note 2 Black White spot 0 3 lt x 0 45 3 Minor 0 45 lt 0 lt 0 6 1 0 6 o 0 Length mm Width mm Acceptable number L 10 Wx 0 03 Ignore 5 0 lt L lt 10 0 03 lt W lt 0 04 3 1670 5 0 lt L lt 10 0 04 lt WS0 05 2 3 Black White line 10 lt L lt 10 0 05 lt W lt 0 06 2 Minor 1 0 lt L lt 10 0 06 W x 0 08 1 Lx10 0 08 lt W follows 2 point defect Defects separate with each other at an interval of more than 20mm Y i 7 i U S 4 Display pattern j Minor NEN A Bx0 28 O C D E lt 0 25 F G lt 0 25 Note 1 Up to 3 damages acceptable 2 Not allowed if there are two or more pinholes
8. ect against static electricity Packaging Module employs LCD elements and must be treated as such Avoid intense shock and falls from a height To prevent modules from degradation do not operate or store them exposed direct to sunshine or high temperature humidity Caution for operation It is an indispensable condition to drive LCD module within the limits of the specified voltage since the higher voltage over the limits may cause the shorter life of LCD module An electrochemical reaction due to DC direct current causes LCD undesirable deterioration so that the uses of DC direct current drive should be avoided Response time will be extremely delayed at lower temperature than the operating temperature range and on the other hand at higher temperature LCD module may show dark color in them However those phenomena do not mean malfunction or out of order of LCD module which will come back in the specified operating temperature Storage In the case of storing for a long period of time the following ways are recommended Storage in polyethylene bag with the opening sealed so as not to enter fresh air outside in it And with not desiccant Placing in a dark place where neither exposure to direct sunlight nor light is Keeping the storage temperature range Storing with no touch on polarizer surface by any thing else Safety It is recommendable to crash damaged or unnecessary LCD into pieces and to wash off liquid crystal by either of so
9. every three fourth inch Size mm Acceptable Number lt 0 7 Ignore note 0 7 o x 1 0 3 dan EP 10 0 1 5 1 Minor 1 5 o 0 Note 1 Conformed to limit samples 2 Intervals of defects are more than 30mm Size mm Acceptable Number o lt 0 4 Ignore note 6 Bubbles in polarizer 0 4 o lt 0 65 2 Minor 0 65 0 1 2 1 1 2 9 0 7 Scratches and dent on the Scratches and dent on the polarizer shall be in the accordance with 2 Minor polarizer Black white spot and 3 Black White line 8 Stains on the surface of Stains which cannot be removed even when wiped lightly Mi m inor LCD panel with a soft cloth or similar cleaning 9 P No rainbow color is allowed in the optimum contrast on state within the active Rainbow color area Minor 10 Viewing area Polarizer edge or line is visible in the opening viewing area due to polarizer Minor encroachment shortness or sealing line 11 Bezel appearance Rust and deep damages that are visible in the bezel are rejected Minor 12 ke tes EM Evident crevices that are visible are rejected Minor 1 Failure to mount parts 13 Parts mounting 2 Parts not in the specifications are mounted Minor 3 For example Polarity is reversed HSC or TCP falls off 1 LSI IC lead width is more than 5096 beyond pad outline 17 Fat alignment More than 50 of LSI IC leads is off the pad outline Minor 15 Conductive foreign 1 0 45 lt N21 matter solder ball 2 0 3 lt lt 0 45 N2
10. lvents such as acetone and ethanol which should be burned up later When any liquid leaked out of a damaged glass cell comes in contact with your hands please wash it off well at once with soap and water Page 13 of 14 LCD12864 COG 25 0 0 5 4 2 26 5 0 2 25 5 V A 20 46 A A 31 1 0 2 2 0 PIN ASSIGNMENT 003 RIVET cs 15 vour 0 26 1 ALL DIMENSIONS ARE IN mm WITH 0 20 TOLERANCE UNLESS OTHERWISE SPECIFIED 2 VIEWING ANGLE 6 00 0 CLOCK 3 POLARIZER TYPE TRANSFLECTIVE POSITIVE 4 DISPLAY TYPE FSTN 5 OPERATING VOLTAGE 3 3V 6 7 LIGHT SHELDING TAPE TET 5 DRIVE MOKE 1 64 DUTY 1 9 BIAS Vop9 OV OPERATING TEMPERATURE 10C 60 C 8 STOPAGE TEMPERATURE 20 C 70 C 9 CONNECTOR COG ST7565R Reinforcement Board Conductor Side TITTITTTITTITT nT m TT TTT TTT IN PIN1 28 0 25 Cu 0 5x 28 1 213 1 4 P 0 3 Page 14 of 14
11. ly pin of the chip 14 VSS Negative power supply 0V 6 13 DO D7 8bit Date bus 5 RD Read RD control signal input 4 IWR Write WR control signal input 3 AO Data Command control 2 RES Reset chip selection input Page 4 of 14 LCD12864 COG 2 Absolute Maximum Ratings 3 Electrical Characteristics 3 1 DC Characteristics Vss OV Top 25 C ems TOA we we um common uae vor osxveo v v ooo Dune vae va ve 02m v ooo frewttestagecoren amp ao 9 vo aaas psst le 39 90 yoo 3 3 AC Characteristics 3 3 1 8080 Mode System Bus Timing Vss OV Top 25 C 40 C31 wR RD DO D Write tacc8 tcha DO D Read Page 5 of 14 LCD12864 COG Note a all timing is using 20 and 80 of VDD as the reference Page 6 of 14 LCD12864 COG 3 3 2 6800 Mode System Bus Timing tows tah CS1 tcyc6 terhuttewhr tewlwCtewlr gt NI NIN NY tas6 tdh6 tacc r toh6 D0 D7 Read Vss OV Top 25 C CO CIAT seer mew e GH we wo Parsa we fo cemere ww ms GH wm us cemere H wem ms omita Puse wp te ms pwswowe Tw m e Deanem R wo CTE mme 39 H me s wo
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