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website: www.displaytech.com.hk lcd module product specification product: INT057ATFT 5.7'' integrated tft display module (640rgbx480dots) contents in this document are subject to change wit hout notice. no part of this document may be reproduced or transmitted in any form or by any means, electronic or mechanical, for any purpose, without the express written permis sion of displaytech ltd. january 3, 2013.
displaytech ltd lcd module INT057ATFT version: 2.1 1 1. revision record version changes date 1.0 initial revision 15 november 2011 2.0 change pin#38 to +5.0v at page 5 & 7. january 2 , 2013 2.1 added voltage and current details for pin#38 at page 8 january 3, 2013
displaytech ltd lcd module INT057ATFT version: 2.1 2 table of content 1. revision record ................................... ........................................ 1 2. introduction ...................................... ................................................... .. 3 3. features .......................................... ................................................... ..... 3 4. general specifications ............................ .............................................. 4 5. mechanical drawing ................................ ............................................. 5 6. interface description ............................. ............................................... 7 7. absolute maximum ratings .......................... ....................................... 8 8. electrical characteristics ........................ ............................................. 8 9. display controller /power supply timing ........... .............................. 8 10. backlight specification ........................... ............................................... 9 11. optical characteristics ........................... .............................................. 9 12. safety precaution ................................. ............................................... 12
displaytech ltd lcd module INT057ATFT version: 2.1 3 2. introduction INT057ATFT is integrated display module based upon a tft display with a 480 x 640 r gb resolution. the tft module is mounted on a pcb on which is mounted a solomon ssd1961 controller with integrated pwm driving circuit for the led ba cklight. the tft module is automatically initialised upon power up by an on-board controller circuit. 3. features ? 8080/6800 mcu interface (1) ? built-in 675kbyte (5,529,600bit) frame buffer. support up to 640 x 480 at 18bpp display ? deep sleep mode for power saving ? screen display rotation ? display mirroring ? programmable contrast and saturation control ? auto initialisation (2) ? embedded pwm control and led driving circuit for backlight remarks: (1) mcu interface is selected by soldering option as below. ? 8080 interface (default setting): r4 is with 0 ohm resistor / r19 is opened. ? 6800 interface (by request): r19 is with 0 ohm resistor / r4 is opened. ? 8/16/18-bit mcu interface are available. (2) ?auto initialisation? takes around half second to complete, customer i s suggested to add an one second delay at the beginning of their program.
displaytech ltd lcd module INT057ATFT version: 2.1 4 4. general specifications item specification unit lcd mode transmissive --- resolution 640(rgb) line 480 line diagonal size 5.7 inch overall size 164.00 mm 104.60 mm active area 115.20 mm 86.40 mm optimum viewing direction 6 o?clock --- gray scale inversion direction 12 o?clock --- controller ic solomon ssd1961 --- interface type 8080/6800 with 8/16/18 data bus width (1) --- colours 262k --- operation temperature range -30~85 c storage temperature range -30~85 c remarks: (1) mcu interface is selected by soldering option as below. 8080 interface (default setting): r4 is with 0 ohm resistor / r19 is opened. 6800 interface (by request): r19 is with 0 ohm resistor / r4 is opened. 8/16/18-bit mcu interface are available. (2) color tune may be changed slightly by temperature and driving voltage. (3) rohs compliant. component life cycle 1) storage life: min. 1 year 2) operation life (*1): min. 43 x 103 h (24hr/day x 7days/week x 52weeks/ year x 5years) (not include backlight) 3) storage and operation life times are defined for a temperatur e of +25c notes: *1. operation life ends when one of the listed faults occurs: the on/off response-times reach 1.5 times of the max. value specif ied for a new display the contrast is reduced to 0.5 of the original contrast value loss of function the number of cosmetic defects exceeds the maximum defined
displaytech ltd lcd module INT057ATFT version: 2.1 5 5. mechanical drawing ? INT057ATFT
displaytech ltd lcd module INT057ATFT version: 2.1 6
displaytech ltd lcd module INT057ATFT version: 2.1 7 6. interface description pin no symbol i/o description 1 gnd --- power ground 0v 2 vddio --- power supply for digital i/o pads 3 vddd --- power supply for internal digital circui t 4 vddlcd --- power supply for lcd interface related pads 5 gnd --- power ground 0v 6 nc --- no connection 7 nc --- no connection 8 nc --- no connection 9 nc --- no connection 10 nc --- no connection 11 nc --- no connection 12 gnd --- power ground 0v 13 /cs i chip select (for controller ssd196 1 ) 14 /rs i data/command select 15 e(/rd) i 6800 mode: e (enable signal) 8080 mode: /rd (read strobe signal) 16 r/w(/wr) i 6800 mode: r/w 0: write cycle 1: read cycle 8080 mode: /wr (write strobe signal) 17 /reset i master synchronize reset 18 gnd --- power ground 0v 19 | 36 data00 | data17 i/o data bus. pins not used should be floating 37 nc (pwm) --- no connection 38 +5.0v i power supply for backlight 39 nc (bl+) --- no connection 40 nc (bl-) --- no connection
displaytech ltd lcd module INT057ATFT version: 2.1 8 7. absolute maximum ratings (gnd=vss=0v; ta=25c) item symbol min. max. unit i/o power supply vddio -0.5 4.6 v digi tal core power supply vddd - 0.5 1.8 v lcd interface power supply vddlcd -0.5 4.6 v input voltage vin -0.5 4.6 v output voltage vout - 0.5 4.6 v operating temperature top -20 +70 c storage temperature tst -30 +80 c note: ? when temperature is below 0c, the response time of liquid crystal (lc) will be slower and the color of panel will be darker. ? if module driving condition exceeds the absolute maximum ratings, perm anent damaged may be resulted. if module is driven within the absolute maximum ratings bu t exceeded the dc characteristics, mal-function may be resulted. ? vdd/vcc > vss 8. electrical characteristics dc characteristics (gnd=vss=0v; ta=25c) item symbol min. typ. max. unit i/o power supply vddio 3.135 3.3 3.465 v digital core power supply vddd 1.08 1.2 1.32 v lcd interface power supply vddlcd 1.65 3.3 3.6 v input signal voltage low level vil --- --- 0.2vddio high level vih 0.8vddio --- vddio + 0.5 v output signal voltage low level vol --- --- 0.2vddio v high level voh 0.8vddio --- --- v power supply for backlight (pin#38) 4.75 5.0 5.25 v current consumption for backlight (pin#38) 256 320 480 ma 9. display controller /power supply timing see display controller specification: solomon ssd1961
displaytech ltd lcd module INT057ATFT version: 2.1 9 10. backlight specification (vddio=3.3v, gnd=vss=0v, ta=25c) item symbol min typ max unit remark series 1 forward current if1 --- 25 --- ma note 1 series 2 forward current if2 --- 25 --- ma series 3 forward current if3 --- 25 --- ma forward voltage vbl 19.95 --- 25.9 v backlight power consumption wbl --- 1732.5 --- mw notes: 1) if is defined for one channel led. there are total three led channels in back light unit 2) optical performance should be evaluated at ta=25 only. 11. optical characteristics (vddio=3.3v, gnd=vss=0v, ta=25c) item symbol condition min typ max unit note luminance l =0o =0o 320 40 0 --- c d/m2 1, 2 uniformity u 75 80 --- % 1, 2 viewing angle t cr 10 60 70 --- deg 3 b 5 0 6 0 --- l 60 70 --- r 60 70 --- contrast ratio cr =0o 400 500 --- --- 1, 4 response time tr --- 20 30 ms 1, 5 tf cie (x,y) chromaticity white x =0o 0.252 0.302 0.352 --- 1, 6 y 0.279 0.329 0.379 red x 0.548 0.598 0.648 y 0.292 0.342 0.392 green x 0.284 0.334 0.384 y 0.535 0.585 0.635 blue x 0.092 0.142 0.192 y 0.052 0.102 0.152 ntsc ratio s --- 50 --- %
displaytech ltd lcd module INT057ATFT version: 2.1 10 note 1: the data are measured after leds are turned on for 5 minutes. lcm displays full white. the brightness is the average value of 9 measured s pots. measurement equipment pr-705 ( 8mm) measuring condition: - measuring surroundings: dark room. - measuring temperature: ta=25c. - adjust operating voltage to get optimum contrast at the center of the display. measured value at the center point of lcd panel aft er more than 5 minutes while backlight turning on. note 2: the luminance uniformity is calculated by using fol lowing formula. l = l (min.) / l (max.)100 (%) l (max.) = maximum brightness in 9 measured spots l (min.) = minimum brightness in 9 measured spots. measurement equipment pr-705 ( 8mm) note 3: the definition of viewing angle: w/6 w/3 w/3 l/6 l/3 l/3
displaytech ltd lcd module INT057ATFT version: 2.1 11 note 4: the definition of contrast ratio (test lcm using pr -705): contrast ratio (cr) = luminance when lcd is at ?white? state luminance when lcd is at ?black? state (contrast ratio is measured in optimum common elect rode voltage) note 5: definition of response time. (test lcd using dms501 ): the output signals of photo detector are measured w hen the input signals are changed from ?black? to ?white? (falling time) and from ?white? to ?black? (rising time), respectively. the response time is defined as the time interval b etween the 10% and 90% of amplitudes. refer to figu re as below. the definition of response time note 6: definition of color of cie coordinate and ntsc rati o. color gamut: s = area of rgb triangle x 100% area of ntsc triangle
displaytech ltd lcd module INT057ATFT version: 2.1 12 12. safety precaution handling precautions: ? this device is susceptible to electro-static discha rge (esd) damage. observe anti-static precaution s. power supply precautions: ? identify and, at all times, observe absolute maximu m ratings for both logic and lc drivers. no te that there is some variance between models. ? prevent the application of reverse polarity to vcc and gnd, however briefly. ? use a clean power source free from transients. pow er up conditions are occasionally ?jolting? and may exceed the maximum ratings of the modules. ? the vcc power of the module should also supply the power to all devices that may access the display. don?t allow the data bus to be driven when the logi c supply to the module is turned off. operating precautions: ? do not plug or unplug the module when the system is powered up. ? minimize the cable length between the module and ho st mpu. ? operate the module within the limits of the module s temperature specifications. mechanical/environmental precautions: ? improper soldering is the major cause of module dif ficulty. use of flux cleaner is not recommended as they may seep under the elastomeric connection and cause display failure. ? mount the module so that it is free from torque and mechanical stress. ? surface of the lcd panel should not be touched or s cratched. the display front surface is an easily scratched, plastic polarizer. avoid contact and cle an only when necessary with soft, absorbent cotton dampened with petroleum benzene. ? always employ anti-static procedure while handling the module. ? prevent moisture build-up upon the module and obser ve the environmental constraints for storage temperature and humidity. ? do not store in direct sunlight ? if leakage of the liquid crystal material should oc cur, avoid contact with this material, particularl y ingestion. if the body or clothing becomes contami nated by the liquid crystal material, wash thorough ly with water and soap
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