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website: www.displaytech.com.hk lcd module product specification product: INT070ATFT & INT070ATFT-ts 7.0'' integrated tft display module (800rgbx480dots) 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 INT070ATFT / INT070ATFT-ts version: 2.1 1 1. revision record version changes date 1.0 initial revision 28 september 2011 1.1 added ?power consumption? section, changed the temperature range for ?ts version, and updated the mechanical d rawings 3 november 2011 2.0 change pin#38 to +5.0v at page 5, 7, & 9. janua ry 2, 2013 2.1 added voltage and current details for pin#38 at page 1 0 january 3, 2013
displaytech ltd lcd module INT070ATFT / INT070ATFT-ts 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 ............................. ............................................... 9 7. absolute maximum ratings .......................... ..................................... 10 8. electrical characteristics ........................ ........................................... 10 9. power consumption ................................. ........................................... 10 10. display and touch screen controller /power supply t iming ....... 10 11. backlight specification ........................... ............................................. 11 12. optical characteristics ........................... ............................................ 11 13. safety precaution ................................. ............................................... 14
displaytech ltd lcd module INT070ATFT / INT070ATFT-ts version: 2.1 3 2. introduction INT070ATFT and INT070ATFT-ts are integrated display module based upon a tft display with a 480 x 800 rgb resolution. the tft module is mounted on a pcb on which is mounted a solomon ssd1963 controller with integrated touch screen contr ol and pwm driving circuit for the led backlight. the tft module is automatic ally initialised upon power up by an on-board controller circuit. 3. features ? 8080/6800 mcu interface (1) ? built-in 1215k bytes frame buffer. support up to 864 x 480 at 24bpp display ? deep sleep mode for power saving ? screen display rotation ? display vertical scrolling ? display mirroring ? programmable contrast and saturation control ? auto initialisation (2) ? embedded 4-wires touch panel controller ? 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. ? 8/9/16/18-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 INT070ATFT / INT070ATFT-ts version: 2.1 4 4. general specifications item specification unit lcd mode transmissive --- resolution 800(rgb) line 480 line diagonal size 7.0 inch overall size 175.00 mm 103.00 mm active area 154.08 mm 85.92 mm optimum viewing direction 6 o?clock (1) --- controller ic solomon ssd1963; max11802 (touch screen) --- interface type 8080/6800 with 8/9/16/18 data bus width (2) --- colours 16.7m --- operation temperature range -20~70 c storage temperature range -30~80 c remarks: (1) manufacturing viewing direction is 12 o?clock, due to the gray scal e inversion effect, the optimum viewing direction shifted to the opposite side, 6 o?clock. (2) 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. 8/9/16/18-bit mcu interface are available. maxim max11802 is with spi interface. (3) color tune may be changed slightly by temperature and driving voltage. (4) 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 INT070ATFT / INT070ATFT-ts version: 2.1 5 5. mechanical drawing ? INT070ATFT
displaytech ltd lcd module INT070ATFT / INT070ATFT-ts version: 2.1 6
displaytech ltd lcd module INT070ATFT / INT070ATFT-ts version: 2.1 7 ? INT070ATFT-ts
displaytech ltd lcd module INT070ATFT / INT070ATFT-ts version: 2.1 8
displaytech ltd lcd module INT070ATFT / INT070ATFT-ts version: 2.1 9 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 circuit 4 vddlcd --- power supply for lcd interface related pads 5 gnd --- power ground 0v 6 tp_aux i auxiliary input: analog input that used to monitor external conditions such as battery voltage or temperature. (INT070ATFT-ts only : for max11802) 7 tp_tirq o active-low touch interrupt output: active-low inter rupt, indicating that a touch is present (cint) or has been initiated (eint) in dcm, or that new data is available in the fifo in acm. (INT070ATFT-ts only: for max118 02) 8 tp_din i spi serial data input. (INT070ATFT-ts on ly: for max11802) 9 tp_clk i spi serial data clock input. (INT070ATFT -ts only: for max11802) 10 tp_dout i spi data output. (INT070ATFT-ts only: for max1180 2) 11 tp_cs i spi chip-select input. (INT070ATFT-ts on ly: for max11802) 12 gnd --- power ground 0v 13 /cs i chip select (for controller ssd1963) 14 /rs i dat a/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 INT070ATFT / INT070ATFT-ts version: 2.1 10 7. absolute maximum ratings (gnd=vss=0v; ta=25c) item symbol min. max. unit i/o power supply vddio -0.5 4.6 v digital 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 but 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 v oh 0.8vddio --- --- v 9. power consumption (gnd=vss=0v; ta=25c) item symbol condition typ max. unit digital supply current idvdd v dvdd=3.3 3.22 8.70 ma analog supply current iavdd avdd=10.4v 15.69 23.01 ma gate on current ivgh vgh=16.0v 0.20 0.22 ma gate off current ivgl vgl=-7.0v 0.20 0.22 ma power consumption panel & gamma --- 177.67 254.65 mw backlight --- 1.152 1.267 w total --- 1.330 1.522 w power supply for backlight (pin#38) 4.75 5.0 5.25 v current consumption for backlight (pin#38) 408 510 765 ma 10. display and touch screen controller /power supply t iming see display and touch screen controller specificat ion: solomon ssd1963 & maxim max11802
displaytech ltd lcd module INT070ATFT / INT070ATFT-ts version: 2.1 11 11. backlight specification (vddio=3.3v, gnd=0v, ta=25c) item symbol min typ max unit note supply voltage vf --- 9.6 --- v 18 leds forward current if --- 20 25 ma backlight power consumption wbl --- 1.152 1.267 w notes: 1) the led?s driving condition is defined for each led backlight (3 leds in series per line, and 6 lines per module). 2) in operation, constant forward current should be su pplied, the forward voltage is for reference only. 12. optical characteristics (vcc=3.3v, vss=0v, ta=25c) item symbol condition min typ max unit note luminance l =0o =0o 200 250 --- cd/m2 1, 2 uniformity u --- 75 --- % 1, 2 viewing angle t cr 10 5 0 6 0 --- deg 3 b 60 70 --- l 60 70 --- r 60 70 --- contrast ratio cr =0o 400 500 --- --- 1, 4 response time tr --- 25 --- ms 1, 5 tf cie (x,y) chromaticity white x =0o 0.267 0.317 0.367 --- 1, 6 y 0.284 0.334 0.384 red x 0.567 0.617 0.667 y 0.305 0.355 0.405 green x 0.289 0.339 0.389 y 0.483 0.533 0.583 blue x 0.092 0.142 0.192 y 0.049 0.099 0.149 ntsc ratio s --- 50 --- %
displaytech ltd lcd module INT070ATFT / INT070ATFT-ts version: 2.1 12 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 INT070ATFT / INT070ATFT-ts version: 2.1 13 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 INT070ATFT / INT070ATFT-ts version: 2.1 14 13. 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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