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specification for lcd module model no. TM320240ACCWT prepared b y : date: checked b y : date: verified b y : date: approved by: date: tianma microelectronics co., ltd rev. 1.0
1/25 rev. 1.0 revision record date ref. page revision no. revision items check & approval
2/25 rev. 1.0 1 general specifications: 1.1 display type: fstn 1.2 display color: display color* 1 : blue-black background* 2 : white 1.3 polarizer mode: transflective/positive 1.4 viewing angle: 6:00 1.5 driving method: mla(four lines) 1.6 backlight: led(white) 1.7 drive: com driver:ssd1870t2r seg driver:ssd1882t1r |? 2 1.8 data transfer: 4 bit parallel 1.9 operating temperature: -25----+70 ?? storage temperature: -30----+80 ?? 1.10 vdd: 5.0v 1.11 lcd operating voltage: 25.0v 1.12 outline dimensions: refer to outline drawing on next page 1.13 dot matrix: 320 ? 240 dots 1.14 dot size: 0.39 ? 0.39(mm) 1.15 dot pitch: 0.42 ? 0.42(mm) 1.16 weight: about 250g * 1 color tone is slightly changed by temperature and driving voltage. * 2 color tone will be changed by backlight.
3/25 rev. 1.0 2 outline drawing
4/25 rev. 1.0 3 lcd module part numbering system tm 320240 a c c w t module type t:tab temperature range w:wide temperature range backlight type c:transflective led backlight lcd type c:fstn mode positive module series module type 320columns ? 240 rows t: tianma m: module
5/25 rev. 1.0 4 circuit block diagram
6/25 rev. 1.0 5 absolute maximum ratings item symbol min. max. unit remark power supply voltage v dd - v ss -0.3 6.0 lcd drive voltage v lcd - 28.0 v operating temperature range t op -25 +70 storage temperature range t st -30 +80 ?? no condensation
7/25 rev. 1.0 6 electrical specifications and instruction code 6.1 electrical characteristics item symbol min. typ. max. unit supply voltage (logic) v dd - v ss 4.75 5.0 5.25 v supply voltage (lcd drive) v lcd - 25.0 - v high v ih ? v dd =5.0v ? 0.8v dd - v dd +0.3 v input signal voltage low v il ? v dd =5.0v ? 0 - 0.2 v dd v supply current (logic) i dd (v dd - v ss =5.0v) - 6.0 ma supply current (led drive) i led (v led =4.2vdc) - - 100 ma
8/25 rev. 1.0 6.2 interface signals pin no. symbol level description 1 vdd +5.0v power supply for the logic system 2 vss 0v ground 3 doff h/l control the display 4 yd -- a signal to start a frame and to reset the column address for writing 5 lp -- generate the charge pump clock and the polarity reverse signal fr and xfr 6 xscl -- serial clock input for segment driver 7 xd0 h/l data bit0 for segment input mode 8 xd1 h/l data bit1 for segment input mode 9 xd2 h/l data bit2 for segment input mode 10 xd3 h/l data bit3 for segment input mode 11 vl -- row drive negative voltage level power supply voltage terminal 12 vee -- power operation voltage for lcd(-) 13 led+ +3.3v backlight power supply pin ? + ? 14 led- 0v backlight power supply pin ? - ?
9/25 rev. 1.0 6.3 power generater ac characteristics (1) input timing characteristics voltage referenced to v ss , v dd =2.4 to 3.6v, t a =25c symbol parameter min typ max unit t lpc lp period 50 70 125 us t lpw lp pulse width 70 1000 2000 ns t lpr lp rise time -- -- 10 ns t lpf lp fall time -- -- 10 ns t lpw t lpc t lpr t lpf lp
10/25 rev. 1.0 (2) output timing characteristics lp pulse width = 1us, vl = vee + 0.6v, 6x step-mode application symbol parameter min typ max unit t frr fr/xfr signal rise delay time (with loading = 50pf) 330 -- 3300 ns t frf fr/xfr signal fall delay time (with loading = 50pf) 330 -- 3300 ns t abr ab signal rise delay time 230 -- 2000 ns t abf ab signal fall delay time 180 -- 1900 ns t xbbr xbb signal rise delay time 130 -- 1100 ns t xbbf xbb signal fall delay time 280 -- 3200 ns t offr rising edge output phase differential time 1000 -- 2400 ns t offf falling edge output phase differential time 1000 -- 2200 ns t c7nr c7n signal rising edge delay time 270 -- 2400 ns t c7nf c7n signal falling edge delay time 490 -- 3800 ns lp fr xfr ab xbb t frr t frf t abr t xbbr t offr t c7nf t abf t xbbf t offf t c7nr t c7nr c7n vss vl vl vss vss-1.0v vl+1.0v t c7nf
11/25 rev. 1.0 6.4 segment driver ac charactristics (1) input timing characteristics vss = -3.30v, v3 = vdd = 0.00v, v2 = -1.65v, -v2 = -4.95v and -v3 = -6.60v, t a = 25 o c symbol parameter min typ max unit t scc xscl period 150 --- --- ns t schi xscl pulse width (high level) 20 --- --- ns t sclo xscl pulse width (low level) 20 --- --- ns t lphi lp pulse width (high level) 100 --- --- ns t lplo lp pulse width (low level) 100 --- --- ns t yds yd setup time 50 --- --- ns t ydh yd hold time 50 --- --- ns t cas ca setup time 10 --- --- us t cah ca hold time 0 --- 200 ns t frs fr setup time 25 --- --- ns t frh fr hold time 10 --- --- ns t eis eio setup time 30 --- --- ns t slf fall time between xscl & lp 10 --- --- ns t lsf fall time between lp & xscl 150 --- --- ns t das data setup time 10 --- --- ns t dah data hold time 10 --- --- ns
12/25 rev. 1.0 lp yd xscl ca d 0 -d 7 eio(in) fr t eis t yds t ydh t frh t fr s t lcs t lch t lplo t lphi t scc t slf t schi t lsf t sclo t das t dah
13/25 rev. 1.0 (2) output timing characteristics vss = -3.30v, v3 = vdd = 0.00v, v2 = -1.65v, -v2 = -4.95v and -v3 = -6.60v , t a = 25 o c symbol parameter min typ max unit t eire eio reset time --- --- 80 ns t eid eio output delay time --- --- 90 ns t sgd segment output delay time --- --- 400 ns t fd f10 & f20 output delay time --- --- 3000 ns lp xscl f10 seg eio(out) f20 t eire t sgd t eid t fd
14/25 rev. 1.0 6.5 common driver ac characteristics (1) input timing characteristics -v 1 = 0.0v, v cc = 5.0v, t a = 25 o c symbol parameter min typ max unit t lpcyc lp period tbd tbd tbd ns t lphi lp pulse width (high level) tbd tbd tbd ns t lplo lp pulse width (low level) tbd tbd tbd ns t yds yd, cio setup time tbd tbd tbd ns t ydh yd, cio hold time tbd tbd tbd ns t ydset yd, cio setup time tbd tbd tbd ns t f12s f1, f2 setup time tbd tbd tbd ns t f12h f1, f2 hold time tbd tbd tbd us t frs fr setup time tbd tbd tbd ns t frh fr hold time tbd tbd tbd ns t r input signal rise time tbd tbd tbd ns t f input signal fall time tbd tbd tbd ns f1, f2 yd, cio(input) fr lp t frh t yds t yd h t frs t f12s t f12 h t ydset t r t f t lphi t lplo t lpcyc
15/25 rev. 1.0 (2) output timing characteristics -v 1 = 0. 0v, v cc = 5. 0v, t a = 2 5 o c sy mb o l pa ra me t e r m i n t y p m a x u n i t t com d 1 d e la y tim e f r o m lp to c o m t b d t b d t b d n s t com d 2 de l a y t i m e f r o m d o f f t o c o m t bd t b d t bd n s t ci od d e la y tim e f r o m lp to c i o o u tput t b d t b d t b d n s lp coms cio doff t comd1 t ciod (output) t comd2
16/25 rev. 1.0 7 optical characteristics 7.1 optical characteristics ta=25 ?? item symbol condition min. typ. max. unit | x | y =0 ?? -30 -- 20 viewing angle | y c r 2 | x =0 ?? -30 -- 30 deg contrast ratio c r | x =0 ?? | y =0 ?? 3.0 - - turn on t on - - 350 response time turn off t off | x =0 ?? | y =0 ?? - - 350 ms
17/25 rev. 1.0 7.2 definition of optical characteristics 7.2.1 definition of viewing angle top top bottom bottom 7.2.2 definition of contrast ratio brightness state selected brightness state unselected = b2/b1 = ratio contrast measuring conditions: 1) ambient temperature: 25 ?? ; 2) frame frequency: 64hz 7.2.3 definition of response time turn on time: t on = t d + t r turn off time: t off = t d + t f measuring condition: 1) operating voltage: 25.0v 2) frame frequency: 64hz
18/25 rev. 1.0 8 reliability 8.1 content of reliability test ta=25 ?? no. test item content of test test condition 1 high temperature storage endurance test applying the high storage temperature for a long time 80 ?? 240h restore 4h at 25 ?? 2 low temperature storage endurance test applying the low storage temperature for a long time -30 ?? 240h restore 4h at 25 ?? 3 high temperature /humidity storage endurance test applying the high temperature and high humidity storage for a long time 60 ?? 90%rh 240h restore 4h at 25 ?? 4 temperature cycle endurance test applying the low and high temperature cycle -30 ????? 25 ????? 80 ????? 25 ?? 30min 5min 30min 5min ??????????????? 1 cycle -30 ?? /80 ?? 10 cycles 5 vibration test (package state) endurance test applying the vibration during transportation 10hz~150hz, 100m/s 2 , 120min 6 shock test (package state) endurance test applying the shock during transportation half- sine wave, 300m/s 2 , 18ms 7 atmospheric pressure test endurance test applying the atmospheric pressure during transportation by air 25kpa 16h restore 2h
19/25 rev. 1.0 8.2 failure judgment criterion test item no. criterion item 1 2 3 4 5 6 7 failure judgement criterion basic specification out of the basic specification electrical specification out of the electrical specification mechanical specification out of the mechanical specification optical characteristic out of the optical specification note for test item refer to 8.1 remark basic specification = optical specification + mechanical specification
20/25 rev. 1.0 9 quality level inspection examination or test at t a =25 ?? (unless otherwise stated) min. max. unit il aql external visual inspection under normal illumi-nation and eyesight condition, the dis-tance between eyes and lcd is 25cm. see appendix a ii major 1.0 minor 2.5 display defects under normal illumi-nation and eyesight condition, display on inspection. see appendix b ii major 1.0 minor 2.5 note: major defects: open segment or co mmon, short, serious damages, leakage miner defects: others sampling standard conforms to gb2828
21/25 rev. 1.0 10 precautions for use of lcd modules 10.1 handling precautions 10.1.1 the display panel is made of gla ss. do not subject it to a mechanical shock by dropping it from a high place, etc. 10.1.2 if the display panel is damaged a nd the liquid crystal substance inside it leaks out, be sure not to get any in your mouth, if the substance comes into contact with your skin or clothes, promptly wash it off using soap and water. 10.1.3 do not apply excessive force to th e display surface or the adjoining areas since this may cause the color tone to vary. 10.1.4 the polarizer covering the display surface of the lcd m odule is soft and easily scratched. handle this polarizer carefully. 10.1.5 if the display surface is contamin ated, breathe on the surface and gently wipe it with a soft dry cloth. if s till not completely clear, moisten cloth with one of the following solvents: ?a isopropyl alcohol ?a ethyl alcohol solvents other than those men tioned above may damage the polarizer. especially, do not use the following: ?a water ?a ketone ?a aromatic solvents 10.1.6 do not attempt to disassemble the lcd module. 10.1.7 if the logic circuit power is off, do not apply the input signals. 10.1.8 to prevent destruction of the elemen ts by static electricity, be careful to maintain an optimum work environment. a. be sure to ground the body when handling the lcd modules. b. tools required for assembly, su ch as soldering irons, must be properly ground. c. to reduce the amount of sta tic electricity gene rated, do not conduct assembly and other work under dry conditions. d. the lcd module is coated with a film to protect the display surface. be care when peeling off this protectiv e film since static electricity may be generated.
22/25 rev. 1.0 10.2 storage precautions 10.2.1 when storing the lcd modules, avoi d exposure to direct sunlight or to the light of fluorescent lamps. 10.2.2 the lcd modules should be stored under the storage temperature range. if the lcd modules will be stored for a long time, the recommend condition is: temperature : 0 ?? ?? 40 ?? relatively humidity: ? 80% 10.2.3 the lcd modules should be stored in the room without acid, alkali and harmful gas. 10.3 the lcd modules should be no falling and violent shocking during transportation, and also should avoid excessive press, water, damp and sunshine.
23/25 rev. 1.0 appendix a inspection items and criteria for appearance defects items contents criteria leakage not permitted rainbow according to the limit specimen wrong polarizer attachment not permitted not counted max. 3 defects allowed bubble between polarizer and glass <0.3mm 0.3mm ? ? 0.5mm polarizer scratches of polarizer according to the limit specimen not counted max. 3 spots allowed x<0.2mm 0.2mm ? x ? 0.5mm black spot (in viewing area) x=(a+b)/2 not counted max. 3 lines allowed black line (in viewing area) a<0.02mm 0.02mm ? a ? 0.05mm b ? 2.0mm max. 3 spots (lines) allowed progressive cracks not permitted
24/25 rev. 1.0 appendix b inspection items and criteria for display defects items contents critera open segment or open common not permitted short not permitted wrong viewing angle not permitted contrast radio uneven according to the limit specimen crosstalk according to the limit specimen not counted max.3 dots allowed x<0.1mm 0.1mm ? x ? 0.2mm x=(a+b)/2 not counted max.2 dots allowed pin holes and cracks in segment (dot) a<0.1mm 0.1mm ? a ? 0.2mm d<0.25mm max.3 dots allowed not counted max.3 spots allowed x<0.1mm 0.1mm ? x ? 0.2mm black spot (in viewing area) x=(a+b)/2 not counted max.3 lines allowed black line (in viewing area) a<0.02mm 0.02mm ? a ? 0.05mm b ? 0.5mm max.3 spots (lines) allowed
25/25 rev. 1.0 appendix b inspection items and criteria fo r display defects (continued) items content critera not counted max. 2 defects allowed x ? 0.1mm 0.1mm ? x ? 0.2mm x=(a+b)/2 not counted max. 1 defects allowed a ? 0.1mm 0.1mm ? a ? 0.2mm d>0 max.3 defects allowed transfor- mation of segment max.2 defects allowed 0.8w ? a ? 1.2w a=measured value of width w=nominal value of width

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