ER-TFT035-1 - Display Future
Contents
1. EasiRising LCD Module User Manual ER TF 1035 1 www lcd china com ACCEPTANCE SAMPLING Acceptable Quality Level maximum allowable error rate or variation from standard DEFECTS CLASSIFICATION Defects are defined as 6 Major Defect results in failure or substantially reduces usability of unit for its intended purpose 6 Minor Defect deviates from standards but is not likely to reduce usability for its intended purpose ACCEPTANCE STANDARDS g DEFECT TYPE CRITERIA 1 Electrical defects 1 No display display malfunctions or shorted segments 2 Current consumption exceeds specifications E Viewing area defect Viewing area does not meet specifications Blemishes or foreign Defect Size Acceptable Qty matter on display a lt 2 defects within 10 mm of each other Defect Width Defect Length Acceptable Qty Dark lines or scratches Minor MAJOR MINOR 15 2 G 0 05 to 0 08 0 08 to 0 10 EasiRising LCD Module User Manual ER TF 1035 1 www lcd china com ACCEPTANCE STANDARDS CONTINUED p DEFECT TYPE CRITERIA 5 Bubbles between polarizer film and glass a Display pattern defect LE C5 P MAJOR MINOR Minor Pixel Size Acceptable Qty A B 2 lt 0 20 mm C gt 0 mm2. www lcd china com Symbol Description Continued RST Reset signal diay Low Display controller is reset The RST pin should be pulsed low shortly after power is applied RST RES RESET High The RST pin should be brought high for normal operation SCL Serial clock input SDO Aue a Data output pin in serial interface Serial Data Out MISO SI SDI Data input pin in serial interface Serial Data In MOSI Ambient temperature is the temperature of the air that surrounds a component Unit of measurement for LCD response time f falling edge T Thin Film Transistor fabricated directly on the display substrate Unit of measurement for LCD response time r rising edge Storage temperature STG EE High level input voltage VICH Low level input voltage VLCH Forward voltage for LED backlight Ta TA Tf FT OP Operating temperature Tr ST VIH VIL VLOGIC Voc V Power supply input Must be connected to an external source DD Vol V Supply voltage for I O signals Vecio V p 64 High level output voltage OHC EastRising LCD Module User Manual ER TF 1035 1 www lcd china com Symbol Description Continued VoL V Low level output voltage OLC VSYNC Frame RAM write synchronization input RGB Interface only Host interface input WReogo R W n na 8080 Host Active low Signal on the databus is latched at the rising edge of WR signal WR R W 6800 Ho
3. Q Z O ICN eO S LO O N oo 1 Tolerance is 0 2 mm unless specified 2 FFC 3 Diagonal Note 30 50 No Bend Area No Bend Area Detail A Note 1 Tolerance is 0 2 mm unless specified 2 FFC Flat Flexible Cable Mates with ZIF connector 3 Diagonal 3 5 34 90 No Bend Area WOO eUIUD poy MMM JENUB 3SN BINPO GO L 9 0Ld4L 4 EastRising LCD Module User Manual ER TFT035 1 www licd china com SYSTEM BLOCK DIAGRAM Note Selected interface will affect which pins are actually used J BACKLIGHT A A 320X RGB X 240 K K ii a ee EE ee b a teats L LLL N N K AN 2 5799995092 Se E EE D db UW zoj a gt 0 0 wo Q Ne S oc I gt lt g n Q s lt 4 X ca 50 PIN FFC E z L Figure 2 System Block Diagram EasiRising LCD Module User Manual ER TF 1035 1 www lcd china com ABSOLUTE MAXIMUM RATINGS ABSOLUTE MAXIMUM RATINGS 5 x lt SYMBOL Supply Voltage 4 0v Logic Supply Voltage 4 0v Power Supply Current for TFT ibb TBD mA TBD mA Prolonged exposure at temperatures outside of this range may cause permanent damage to the module EasiRising LCD Module User Manual ER TF 1035 1 www lcd china com DC CHARACTERISTICS This is a summary of the module s major operating parame
4. OPTICAL CHARACTERISTICS Ambient Temperature Ta 25 C Maximum 75 Relative Humidity Contrast Ratio CR 320 ADDITIONAL TEST CONDITIONS 16 7M 6 76 400 l lt 2 A gt H 8 ms a svea 12 ms TFT Response Time 23 ms 0 627 ms 0 647 ms 0 336 ms 0 136 ms 0 576 ms 0 136 ms 0 129 ms 0 305 ms 0 314 ms 0 334 ms 0 354 ms y Any one of the pixels can show any of the 16 7 million colors 0 667 ms Red Chromaticity 0 356 ms 0 156 ms Green Chromaticity 0 596 ms 0 156 ms Blue Chromaticity 0 149 ms 0 325 ms pepa EES D White Chromaticity Contrast Ratio brightness with pixels light brightness with pixels dark 3Response Time is the amount of time it takes a pixel to change from active to inactive or back again Tr T rise Tf T fall EasiRising LCD Module User Manual ER TF 1035 1 www lcd china com DEFINITION OF RESPONSE TIME TR TF a l a a E E TET Light Transmitted 90 Transmitted Intensity Light Blocked 10 LH A ee r 0 Time Tr Rise Time Tf Fall Time Figure 4 Definition of Response Time Tr Tf Definition of Vertical and Horizontal Viewing Angles CR 2 Vertical Horizontal Figure 5 Definition of Horizontal and Vertical Viewing Angles CR gt 2 EasiRising LCD Module User Manual ER TF 1035 1 ww
5. SONIA Y QO ANITLNO JINAON UUO9 RUIU9 D 91T MMM RAS C2 enuen asn anpow 017 DUS L 9 0Ld4L 4 U EasiRising LCD Module User Manual ER TF 1035 1 www lcd china com y 0G LC 021 1 67 q 1 v 8V 2q47 ZV ON OV 31901 4 Gtx AFA Lan IO TA VVx DUC Q Z O C2 lt Q Z O N lt lt 89 Sa Ree Rep Pixel Detail B O Z S 09 gt O oD O Z S ip x 00 oD i i O a M QOQ O LOO oO 3 N co a Se 210 063 z o a Q C2 ap lt a Q N C3 LO ao Q C LO a Q Q C3 NR faa Q O N a Q GO N D a Q NR N G a D LO N N a O lt t N ap a Q C2 N lt a Q N N S N Contact Side Detail C Te a QO N a Q O N N a Q O q O 09 DL GO on A NR i 24 50 N ep DL CO naa See Contact Side p 19 Detail C WH HM 3 q O R N D P0 50 X 50 1 O 69 6 O Contact Side Detail A z i x O o wl le 3 5 4 Both Vase pins 44 45 need to be connected Flat Flex Cable Mates with ZIF connector
6. Wavelength I A x 0 25 x 0 29 l LED 25mA y 0 25 y 0 29 Uniformity 80 minimum maximum x 100 HOW TO USE CURRENT FEEDBACK LED DRIVER The backlight has a total of six LEDs with two rows of three LEDs in series The forward voltage for each LED is 3 3v You need about 9 9v on each of the two anode lines for 19 8v total Your ep current is about 12 5mA You can of course adjust these values as needed for your application The maximum forward voltage is 3 5v For lifetime reliability we do not recommend pushing more than the 12 5mA through the LEDs EasiRising LCD Module User Manual ER TF 1035 1 www lcd china com MODULE RELIABILITY ITEM SPECIFICATION ER TFT035 1 50 000 hours gt 50 of Initial Brightness New Module Under operating and storage temperature specification limitations humidity RH 45 20 and no exposure to direct sunlight The white LEDs dim over time especially if driven with high currents The dimming may not be noticeable when a single display is installed However if a new display is installed next to a display that has been on continuously for a very long time you will see the difference To preserve the lifetime of white LEDs we recommend that white LED backlights are dimmed or turned off when not needed Also please do not use more current than you need to achieve your brightness requirements MODULE LONGEVITY EOL REPLACEMENT POLICY EastRisingz is committed to makin
7. EasiRising LCD Module User Manual ER TF 1035 1 ER IF 035 1 LCD Module User Manual EastRising Technology Co Ltd A J Te 1 r Release Date Preliminary Release Apr 09 2011 Correct the size of visual area Apr 29 2011 EasiRising LCD Module User Manual ER TF 1035 1 www lcd china com FEATURES E E D U U U U Full color 16 7M 320 x RGB x 240 TFT consists of a TFT panel a driver IC an FFC Flat Flexible Cable and an LED backlight Module Dimensions 6 Active Area is 3 5 diagonal 70 07 W x 52 55 H mm 2 76 W x 2 07 H Module dimensions excluding module s FFC is 77 60 W x 64 40 H x 3 30 maximum D mm 3 06 W x 2 54 H x 0 13 D Module overall dimensions including modules FFC is 88 15 W x 106 80 H x 3 30 maximum D mm 3 47 W x 4 20 H x 0 13 D 8 bit 9 bit 16 bit and 18 bit parallel 8080 or 6800 RGB or SPI interface Transmissive display with LED backlight White edge lit with two parallel rows of LEDs three LEDs in each row six LEDs total Display light pixels on a dark colored area any color combination or invert for dark colored pixels any color combination on a light area Built in for DC DC converter for panel voltage 12 00 o clock polarizer viewing direction Wide temperature for operation is 20 C to 70 C ROHS compliant EasiRising LCD Module User Manual ER TF 1035 1 www lcd china com PHYSICAL CHARAC
8. TERISTICS 320 x 240 pixels 76 800 pixels Poet Haron Toa RGB Pixel Pitch Millimeters 70 07 52 55 ar Module Depth Inches 3 5 OO m Millimeters Tr 77 60 Module Excluding FFC Backlight Tray 52 55 Active Area Viewing Area 64 40 Module Excluding FFC Backlight Tray See Contact Side Detail A Page 2 106 80 Module Overall Including FFC Unfolded 42 40 0 50 50 5 00 an 33 90 0 50 64 40 0 50 FFC Note 1 Tolerance is 0 2 mm unless specified 88 15 Module Overall Including FFC Unfolded 2 FFC Flat Flexible Cable Mates with ZIF connector 3 Diagonal 3 5 75 00 LCD 3 30 Maximum GO 70 07 Active Area Viewing Area is 3 10 Nominal 1 I O 02 z O LL O LL LL E eb gt l O See Pixel 9 Detail B g Page 2 1 30 3 84 See FFC No Bend Area Detail A Page 3 300 03 e FO peas Not to scale Units Date s ed suimeiq aun aInpoOW aunbi4
9. ass Controller is on the glass panel Parallel databus U U W O O U U gt W 3 Data Command control Determines whether data bits are data or command 1 High Addresses the data register 0 Low Addresses the command register Dot clock signal and oscillator source A non stop external clock must be provided to that pin even at front or back porch non display period RGB interface only DEN Display enable pin from controller RGB interface only Electro Static Discharge Sudden and brief electrical current that flows between two objects ESD between a human and a TFT module can cause permanent damage m o U Flat Flexible Cable Also called flex tail or pigtail Typically thinner than the flex film of 442 COG Chip On Glass FPC Flexible Printed Circuit Also called flex tail or pigtail Typically much thicker than the flex film of COF Chip On Flex GND Power supply and signal ground Must be connected to an external ground HSYNC Line synchronization input RGB interface only Typical power supply current for LCD Total electrical current I in the Drains of a CMOS circuit op op LED Current used by LED backlight IMn Interface mode select pin Where n is the corresponding number EasiRising LCD Module User Manual ER TF 1035 1 www lcd china com Symbol Description Continued Current for normal Operation typically measured in
10. astRising modules at an approved facility WD EasiRising LCD Module User Manual ER TF 1035 1 www lcd china com APPENDIX A QUALITY ASSURANCE STANDARDS INSPECTION CONDITIONS Environment E Temperature 25 5 C S Humidity 30 85 RH noncondensing 6 For visual inspection of active display area S Source lighting two 20 Watt or one 40 Watt fluorescent light S Display adjusted for best contrast S Viewing distance 30 5 cm about 12 inches S Viewing angle inspect at 45 angle of vertical line right and left top and bottom COLOR DEFINITIONS We try to describe the appearance of our modules as accurately as possible For the photos we adjust for optimal appearance Actual display appearance may vary due to 1 different operating conditions 2 small variations of component tolerances 3 inaccuracies of our camera 4 color interpretation of the photos on your monitor and or 5 personal differences in the perception of color DEFINITION OF ACTIVE AREA AND VIEWING AREA 70 07 Active Area Viewing Area 320 x RGB x 240 52 55 Active Area Viewing Area
11. ct No Connect No Connect No Connect No Connect No Connect No Connect NC 3 No Connect No Connect No Connect No Connect No Connect No Connect No Connect No Connect No Connect No Connect No Connect No Connect Vas 4 Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Vas i 5 Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Vss 6 Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground RD E 7 Enable Enable Enable Enable Read Strobe Read Strobe Read Strobe Read Strobe 3v 3v Ground Ground SDO 8 No Connect No Connect No Connect No Connect No Connect No Connect No Connect No Connect Data Output Data Output Ground Ground Reset 9 Chip Reset Chip Reset Chip Reset Chip Reset Chip Reset Chip Reset Chip Reset Chip Reset Chip Reset Chip Reset Chip Reset Chip Reset CS E 10 Chip Select Chip Select Chip Select Chip Select Chip Select Chip Select Chip Select Chip Select Serial Chip Select Serial Chip Select No Connect No Connect SCL 11 No Connect No Connect No Connect No Connect No Connect No Connect No Connect No Connect Serial Clock Input Serial Clock Input Ground Ground SDA l 12 No Connect No Connect No Connect No Connect No Connect No Connect No Connect No Connect Data Input Data Input Ground Ground RS 13 Data Command Data Command Data Command Data Command Data Command Data Command Data Command Data Command Serial Data Command No Connect Gro
12. cteristics Please understand that we avoid changing a module whenever possible we only discontinue a module if we have no other option We will post Part Change Notices on the product s webpage as soon as possible If interested you can subscribe to future part change notifications EasiRising LCD Module User Manual ER TF 1035 1 www lcd china com CARE AND HANDLING PRECAUTIONS For optimum operation of the module and to prolong its life please follow the precautions below ESD ELECTRO STATIC DISCHARGE The circuitry is industry standard CMOS logic and susceptible to ESD damage Please use industry standard antistatic precautions as you would for any other static sensitive devices such as expansion cards motherboards or integrated circuits Ground your body work surfaces and equipment DESIGN AND MOUNTING The exposed surface of the glass is actually a polarizer laminated on top of the glass To protect the soft plastic polarizer from damage the module ships with a protective film over the polarizer Please peel off the protective film slowly Peeling off the protective film abruptly may generate static electricity The polarizer is made out of soft plastic and is easily scratched or damaged When handling the module avoid touching the polarizer Finger oils are difficult to remove To protect the soft plastic polarizer from damage place a transparent plate for example acrylic polycarbonate or glass in
13. front of the module leaving a small gap between the plate and the display surface We use GE HP 92 Lexan which is readily available and works well Do not disassemble or modify the module Do not modify the tab of the metal holder or make connections to it 6 Do not reverse polarity to the power supply connections Reversing polarity will immediately ruin the module Use care to keep the exposed terminals clean Contamination including fingerprints may make soldering difficult and the reliability of the soldered connection poor 6 Sharp bends can damage the module FFC Flat Flex Cable Limit bend radius to at least R5 00 mm R5 00 mm Minimum Figure 10 Limit Bend Radius of FFC Sharp bends can damage the modules FFC Do not crease FFC Do not bend FFC tightly against the edge of the TFT panel Do not repeatedly bend the FFC beyond its elastic region AVOID SHOCK IMPACT TORQUE OR TENSION Do not expose the module to strong mechanical shock impact torque or tension Do not drop toss bend or twist the module 6 Do not place weight or pressure on the module EasiRising LCD Module User Manual ER TF 1035 1 www lcd china com CLEANING The polarizer laminated to the glass is soft plastic The soft plastic is easily scratched or damaged Be very careful when you clean the polarizer Do not clean the polarizer with liquids Do not wipe the polarizer with any type of cloth or swab for examp
14. g all of our modules available for as long as possible For each module we introduce we intend to offer it indefinitely We do not preplan a module s obsolescence The majority of modules we have introduced are still available We recognize that discontinuing a module may cause problems for some customers However rapidly changing technologies component availability or low customer order levels may force us to discontinue End of Life EOL a module For example we must occasionally discontinue a module when a supplier discontinues a component or a manufacturing process becomes obsolete When we discontinue a module we will do our best to find an acceptable replacement module with the same fit form and function In most situations you will not notice a difference when comparing a fit form and function replacement module to the discontinued module However sometimes a change in component or process for the replacement module results in a slight variation perhaps an improvement over the previous design Although the replacement module is still within the stated Data Sheet specifications and tolerances of the discontinued module changes may require modification to your circuit and or firmware Possible changes include Controller A new controller may require minor changes in your code Component tolerances Module components have manufacturing tolerances In extreme cases the tolerance stack can change the visual or operating chara
15. klight Backlight Al 49 Backlight Backlight Backlight Backlight Backlight Backlight Backlight Backlight Backlight Backlight Backlight Backlight K1 50 Backlight Backlight Backlight Backlight Backlight Backlight Backlight Backlight Backlight Backlight Backlight Backlight ADDITIONAL INFORMATION ON INTERFACE TYPES Q want to display video Which interface is faster SPI or parallel The SPI interface is a clocked interface Each command or data bit is clocked With the 18 bit parallel interface you are able to pass 18 bits of command or data at a time Using the same controller at the same clock speed the par allel interface will always be faster LY What if need RS 232 serial interface Three wire or four wire SPI interface is not RS 232 but does not require the control lines that the 8 9 of 16 bit interfaces do LI Using the 8 bit 8080 interface what should be done with pins DB9 DBO pins 27 36 Tie them to ground pull them up or let them float Leave unused pins floating ESD ELECTRO STATIC DISCHARGE The circuitry is industry standard CMOS logic and susceptible to ESD damage Please use industry standard antistatic precautions as you would for any other static sensitive devices such as expansion cards motherboards or integrated circuits Ground your body work surfaces and equipment EasiRising LCD Module User Manual ER TF 1035 1 www lcd china com
16. lay to display EasiRising LCD Module User Manual ER TF 1035 1 www lcd china com Backlight Vf 9 9v 12 5mA per side A LED Vf Forward Voltage K LED LIMIT2 Figure 7 Typical LED Backlight Connections for Always On PWM Dimming The backlight may be dimmed by PWM Pulse Width Modulation The typical range for the PWM frequency is from 100 to 300 Hz Backlight Vf 9 9v 12 5mA per side A LED Vf Forward Voltage K LED K LED R LIMIT 1 LIMIT2 PWM signal from Ti IRLML2502 ical microcontroller wees GND Figure 8 Example of LED Backlight Connections for PWM Dimming EasiRising LCD Module User Manual ER TF 1035 1 www lcd china com Ambient temperature Ta 25 C Backlight Characteristics White edge lit with two parallel rows of LEDs three LEDs in each row six total LEDs White LED backlight displays light pixels on a dark colored area any color combination or invert for dark colored pixels any color combination on a light area PARAMETER MNMUM TYPICAL MAXIMUM 10mA per row 12 5mA per row 20mA per row FOTN ATE GUSOT ATED 10MA x 2 rows 20mA_ 12 5mA x 2 rows 25mA 20mA x 2 rows 40mA Driving the backlight above 25mA will shorten its lifetime Luminous Intensity lv LED 25mA 175 cd m 200 cd m 225 cd m The backlight is measured through the TFT Direct backlight measurement is significantly brighter
17. le Q tips Use the removable protective film to remove smudges for example fingerprints and any foreign matter If you no longer have the protective film use standard transparent office tape lf the polarizer is dusty you may carefully blow it off with clean dry oil free compressed air OPERATION We do not recommend connecting this module to a PC s parallel port as an end product This module is not user friendly and connecting it to a PC s parallel port is often difficult frustrating and can result in a dead display due to mishandling 6 Your circuit should be designed to protect the module from ESD and power supply transients Observe the operating temperature limitations from 20 C minimum to 70 C maximum with minimal fluctuations Operation outside of these limits may shorten the life and or harm the display Operate away from dust moisture and direct sunlight STORAGE AND RECYCLING 6 Store in an ESD approved container away from dust moisture and direct sunlight fluorescent lamps or any ultraviolet ray Observe the storage temperature limitations from 30 C minimum to 80 C maximum with minimal fluctuations Rapid temperature changes can cause moisture to form resulting in permanent damage Maximum storage life is 10 years within storage temperature limitations and normal humidity Do not allow weight to be placed on the modules while they are in storage Please recycle your outdated E
18. light _ ee ee eee Pave Supply pin for LED A anode or of LED backlight Supply pin for LED K cathode or kathode for German and original K LED po KIT foe hee aie eS ay LED backlight DESCRIPTION Continued DIRECTION EasiRising LCD Module User Manual ER TF 1035 1 www lcd china com PHOTO REFERENCE FOR PIN FUNCTIONS Note Both Vi ogic pins 44 and 45 must be connected 1 GND _ 7 3 NC 4 GND a 5 GND 6 GND oa E 7 RD so80 E6800 8 SDO B B E 9 RST 10 CS 12 SDI a R L 13 D C 14 WR ARIN saa 15 PS3 16 PS2 17 PS1 18 PSO 19 DB17 20 DB16 21 DB15 22 DB14 i 23 DB13 24 DB12 T 25 DB11 26 DB10 27 DB9 28 DB8 79 29 DB7 30 DB6 31 DB5 32 DB4 seein nma 33 DB3 34 a 35 DB1 36 DBO sya i 37 DEN 38 HSYNC F 39 VSYNC 40 DCLK S 41 NC 42 GND a 43 GND 44 VLocic 45 Viosic 46 NC soem 47 K LED 49 A LED zac aaa Sain Ss GUI mnie Rie UU CU mead Ummm e R a mm hime emma ay 48 A LED bn a E Figure 3 Back View of FFC Pins Labeled EasiRising LCD Module User Manual ER TF 1035 1 www lcd china com INTERFACE PIN USAGE TABLE Vss 1 Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground NG i 2 No Connect No Connect No Connect No Connect No Connect No Conne
19. lt 3 total defects D E 2 lt 0 25 mm lt 2 pinholes per digit F G 2 lt 0 25 mm 7 PCB defects Oxidation or contamination on connectors Wrong parts missing parts or parts not in specification Jumpers set incorrectly Minor Solder if any on bezel LED pad zebra pad or screw hole pad is not smooth Minor if display functions correctly Major if the display fails Soldering defects Unmelted solder paste Cold solder joints missing solder connections or oxidation Solder bridges causing short circuits Mi inor Residue or solder balls Solder flux is black or brown Minor if display functions correctly Major if the display fails EasiRising LCD Module User Manual ER TF 1035 1 www lcd china com APPENDIX B TFT MODULE TERMS AND SYMBOLS Symbol Description Supply pin for LED A anode or of LED backlight If more than one may be labeled as A LED A4 Ae Candela per square meter A unit of measurement used to measure Luminous Intensity cd m cd m 1 lumen lumen Chip select input Low Controller chip is selected Communications with host are possible CS en o High Controller chip is not selected Host interface signals are ignored by the controller Chip On Flex Controller is on the FPC Similar in appearance to TAB The flex circuit on COF is typically much thinner than the flex of a flex tail COG Chip On Gl
20. milliamperes mA 1 mA 0 001A Ampere Current for STandby mode typically measured in microampere uA 1 uA 0 000 001A Ampere us Input Output K LED Supply pin for LED K cathode or kathode for German and original Greek spelling o LED backlight If more T one may be labeled as K4 Ko Millimeter or millimetre Unit of length equal to one thousandth of a meter 1 millimeter 0 0394 inches Milliwatt is equal to one thousandth of a Watt Watts Volts x Amps psa ps2 Ps1 ps0 interface moge 16 bit 6800 parallel interface if available 8 bit 6800 parallel interface 1 if available EJES ETES 16 bit 8080 parallel interface 8 bit 8080 parallel interface 1 1 if available Pulse Width Modulation is a way to simulate intermediate levels by switching a level between full on and full off PWM is typically used to control the brightness of LED backlights relying on the natural averaging by the human eye PSn PSO Host interface input 8080 Host Active low Signal on the databus is latched at the rising edge of RD 6800 Host if available Enable control signal input active high E High Read or Write operation is active E Low No operation Typically used to indicate that Red Green and Blue are combined to produce a broad array of colors RoHS Restriction of Hazardous Substances Directive an environmental standard EasiRising LCD Module User Manual ER TF 1035 1
21. or Gnd x x NC or Gnd NC or Gnd x x NC or Gnd NC or Gnd BB1 BBO DBO 36 NC or Gnd NC or Gnd NC or Gnd x NC or Gnd NC or Gnd NC or Gnd x NC or Gnd NC or Gnd BBO NC or Gnd DEN E 37 Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Data Enable Data Enable HSYNC 38 Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Line Sync Line Sync VSYNC 39 Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Frame RAM Sync Frame RAM Sync DCLK 40 Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Dot Clock Dot Clock NC 41 No Connect No Connect No Connect No Connect No Connect No Connect No Connect No Connect No Connect No Connect No Connect No Connect Vas l 42 Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground VSS 43 Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Vec 44 3v 3v 3v 3v 3v 3v 3v 3v 3v 3v 3v 3v Vcc 45 3v 3v 3v 3v 3v 3v 3v 3v 3v 3v 3v 3v NC 46 No Connect No Connect No Connect No Connect No Connect No Connect No Connect No Connect No Connect No Connect No Connect No Connect K2 E 47 Backlight Backlight Backlight Backlight Backlight Backlight Backlight Backlight Backlight Backlight Backlight Backlight A2 48 Backlight Backlight Backlight Backlight Backlight Backlight Backlight Backlight Backlight Backlight Bac
22. signal LEVEL DIRECTION Low Display controller is reset The RST pin should be pulsed low shortly after power is applied High The RST pin should be brought high for normal operation Chip select input Low Controller chip is selected Communications with host is possible High Controller chip is not selected Host interface signals are ignored by the controller Data Command control Determines whether data bits are data or command 1 High Addresses the data register 0 Low Addresses the command register EasiRising LCD Module User Manual ER TF 1035 1 www lcd china com iu SIGNAL gt LLI vd Host interface input 8080 Host Active low Signal on the databus is latched at the rising edge of WR signal 6800 Host Read Write control signal output R W High Read Host Module R W Low Write Host gt Module 15 18 PS3 PS0 mo a the descending order 1998 perros 0 R Paral dais Noto me descending ores o oen me 1 Hea este pin rom conte RGB ieee ony sme N 1 Une syeronizaton input RGB merece on o ane me 1 Frame an write synerronizaton input RGB race ony el e h pennn be Bane to that pin even at front or r back Pen non display period 644 NC No Connection L No Connection Connection CO ee O e se A A A A Na Connection Connection fe wee T Supply pin for LED us cathode or kathode for German and original Greek spelling or of LED back
23. st if available Read Write control signal output R W R W High Read Host amp Module R W Low Write Host gt Module
24. ters DC TEST CHARACTERISTICS CONDITION Logic Supply Voltage Top 20 C to 70 C Vioaic 0 8v X VLogic For VLogic 3 0v VLogic Vo H 0 8v x 3 0v 2 4v 0 2v x VLogic Input Low Voltage ViL Ov GND For Viogic 3 0V Vn 0 2v x 3 0v 0 6v 0 9V X Vi og lout 100A l hae l Output High Voltage 3 3MHz VoH For Viogic 3 0v VLogic l Vo H 0 9v x 3 0v 2 7v 100UA 0 1v x VLogic Output Low Voltage a E Wai Ov GND For Vi aae 3 0V l VoL 0 1v x 3 0v 0 3v Current for Current for If you use a 3 3v supply you will need to step up the power supply for the LED backlight because it requires 9 9v ik o TYPICAL AXIMUM Input High Voltage lt T EasiRising LCD Module User Manual ER TF 1035 1 www lcd china com DETAILS OF INTERFACE PIN FUNCTION Pins depends on choice of 8 bit 9 bit 16 bit and 18 bit parallel 8080 or 6800 RGB or SPI interface PIN SIGNAL DESCRIPTION Power supply and signal ground Must be connected to an external 1 GND L ground afl w L O L Ground Must be connected to an external ground Host interface input 8080 Host Active low Signal on the databus is latched at the rising E edge of RD 7 RD gogo E6800 ees eee 6800 Host Enable control signal input active high E High Read or Write operation is active E Low No operation 8 spo HL fo Data output pin in serial interface Serial Data Out MISO Reset
25. und Ground RW 14 Read Write Read Write Read Write Read Write Write Read Write Read Write Read Write Read No Connect No Connect Ground Ground PS3 i415 0 1 0 1 0 1 0 1 1 1 0 0 PS2 416 0 0 0 0 0 0 0 0 1 1 1 1 PS1 i17 0 0 0 0 1 1 1 1 1 1 1 0 PSO 18 1 1 0 0 1 1 0 0 1 0 0 1 DB17 19 x x x x x x x x NC or Gnd NC or Gnd RR5 RR4 DB16 20 x x x x x x x x NC or Gnd NC or Gnd RR4 RR3 DB15 21 x x x x x x x x NC or Gnd NC or Gnd RR3 RR2 DB14 22 x x x x x x x x NC or Gnd NC or Gnd RR2 RR1 DB13 23 x x x x x x x x NC or Gnd NC or Gnd RR1 RRO DB12 24 X E E x E E x NC or Gnd NC or Gnd RRO GG5 DB11 25 x x x x x x x x NC or Gnd NC or Gnd GG5 GG4 DB10 26 x x x x x x x x NC or Gnd NC or Gnd GG4 GG3 DB9 27 NC or Gnd x NC or Gnd x NC or Gnd x NC or Gnd x NC or Gnd NC or Gnd GG3 NC or Gnd DB8 28 NC or Gnd NC or Gnd x x NC or Gnd NC or Gnd x x NC or Gnd NC or Gnd GG2 GG2 DB7 29 NC or Gnd NC or Gnd x x NC or Gnd NC or Gnd x x NC or Gnd NC or Gnd GG1 GG1 DB6 30 NC or Gnd NC or Gnd x x NC or Gnd NC or Gnd x x NC or Gnd NC or Gnd GGO GGO DB5 31 NC or Gnd NC or Gnd x x NC or Gnd NC or Gnd x x NC or Gnd NC or Gnd BB5 BB4 DB4 S 32 NC or Gnd NC or Gnd x x NC or Gnd NC or Gnd x x NC or Gnd NC or Gnd BB4 BB3 DB3 33 NC or Gnd NC or Gnd x x NC or Gnd NC or Gnd x x NC or Gnd NC or Gnd BB3 BB2 DB2 34 NC or Gnd NC or Gnd x x NC or Gnd NC or Gnd x x NC or Gnd NC or Gnd BB2 BB1 DB1 E 35 NC or Gnd NC
26. w lcd china com Definition of 6 O Clock and 12 00 O Clock Viewing Angles This module has a 12 00 o clock viewing angle A 6 00 o clock viewing angle is a bottom viewing angle like what you would see when you look at a cell phone or calculator A 12 00 o clock viewing angle is a top viewing angle like what you would see when you look at the gauges in a golf cart or airplane Eyes look down Ha 7 N S S a S 7 Eyes look up la 6 00 O Clock 12 00 O Clock Bottom Viewing Angle Top Viewing Angle Figure 6 Definition of 6 00 O Clock and 12 00 O Clock Viewing Angles LED BACKLIGHT CHARACTERISTICS The ER TFT035 1 uses an LED backlight LED backlights are easy to use but they are also easily damaged by abuse NOTE We recommend that the LED backlight be dimmed or turned off during periods of inactivity to conserve its lifetime LEDs are current devices The important aspect of driving an LED is the current flowing through it not the voltage across it Ideally a current source would be used to drive the LEDs In practice a simple current limiting resistor in line from a voltage source will work well in most applications and is much less complex than a current source You need to know what the forward voltage of the LEDs is so you can calculate the current limiting resistor Rj jz The forward voltage will vary slightly from disp
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