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specification for lcd module model no. TM320240ACCWLG prepared b y : date: checked b y : date: verified b y : date: approved by: date: tianma microelectronics co., ltd ver 1.0
1/25 revision record date ver. ref. page revision no. revision item
2/25 1. general specifications: 1.1 display type: fstn 1.2 display color*: display color: blue-black background: white 1.3 polarizer mode: transflective/positive 1.4 viewing angle: 9:00 1.5 driving method: 1/240 duty 1/12 bias 1.6 lcd operating voltage: 15.2v 1.7 vdd: 3.0v 1.8 backlight: led(white,4.0v) 1.9 driver: s6b0794x01-b0cz (x4) 1.10 data transfer: 4 bit parallel 1.11 operating temperature: -10----+60 storage temperature: -20----+70 1.12 outline dimensions: refer to outline drawing on next page 1.13 dot matrix: 320 x 240 dots 1.14 dot size: 0.225x0.225 (mm) 1.15 dot pitch: 0.24x0.24 (mm) 1.16 weight: approx 50g * color tone is slightly changed by temperature and driving voltage.
3/25 2. outline drawing
4/25 3. lcd module part numbering system tm 320240 a c c w l g g: cog module l: 9:00 viewing direction temperature range w:wide temperature range backlight type c: transflective, led backlight lcd type c: fstn, positive module series module type 6 digits indicating 320 columns x 240 rows t: tianma m: module
5/25 4. electronic character 4.1 circuit block diagram
6/25 4.2 recommend power supply electric circuit.
7/25 5. absolute maximum ratings item symbol min. max. unit remark power supply voltage v dd v ss -0.3 6.0 lcd driving voltage v lcd - 28.0 v operating temperature range t op -10 +60 storage temperature range t st -20 +70 no condensation
8/25 6. electrical specifications and instruction code 6.1 electrical characteristics item symbol min. typ. max. unit supply voltage (logic) v dd v ss - 3.0 - v supply voltage (lcd drive) v lcd - 15.2 - v high v ih ? v dd =3.0 ? 0.8v dd - v dd +0.3 v input signal voltage low v il ? v dd =3.0 ? 0 - 0.2v dd v supply current (logic) i dd (v dd - v ss =3.0v) - 2 . 4 3 . 0 ma supply current (lcd drive) i ee - 2. 0 3. 0 ma supply current (led drive) i led - 75 1 00 ma
9/25 6.2 interface signals pin no. symbol level description 1 vlcd 15.2v power supply for lcd 2 v2 - 3 v3 - 4 v4 - 5 v5 - bias voltage for non-select vlcd v2 v3 v4 v5 vss 6 vss 0v ground 7 gnd 0v ground 8 vdd 3.0v power supply for logic 9 frm - com data signal 10 cp h/l clock pules for segment shift register 11 df h/l switch signal to convert lcd driver 12 load h/l latch pulse of display data 13 d.off h/l h: display on l: display off 14 gnd 0v ground 15 d3 h/l input data signal 16 d2 h/l input data signal 17 d1 h/l input data signal 18 d0 h/l input data signal - a 4.0v - k 0v power supply for led backlight
10/25 6.3 interface timing chart segment mode (vss=v5=0v, vdd=+2.4v to +4.5v, v0=+15 to +32v, ta=-20~85c) parameter symbol conditions min. typ. max. unit shift clock period *1 twck tr, tf10 ns 125 ns shift clock ?h? pulse width twckh 51 ns shift clock ?l? pulse width twckl 51 ns data setup time tds 30 ns data hold time tdh 40 ns latch pulse ?h? pulse width twlph 51 ns shift clock rise to latch pulse rise time tld 0 ns shift clock fall to latch pulse fall time tsl 51 ns latch pulse rise to shift clock rise time tls 51 ns latch pulse fall to shift clock fall time tlh 51 ns input signal rise time *2 tr 50 ns input signal fall time *2 tf 50 ns enable setup time ts 36 ns dispoffb removal time tsd 100 ns dispoffb ?l? pulse width twdl 1.2 us output delay time (1) td cl=15pf 78 ns output delay time (2) tpd1, tpd2 cl=15pf 1.2 us output delay time (3) tpd3 cl=15pf 1.2 us note : *1 take the cascade connection into consideration. *2 (twck ? twckh ? twckl) / 2 is maximum in the case of high speed operation.
11/25 t iming c haracteristics of segment m ode (figure 3) t wlph t sl t ld t r t f t ls t lh t wckh t wckl t dh t ds t wck t wdl last data top data t sd lp xck di 0 - di 7 dispoffb t d n ( *) 1 2 t s (*) n : 4 - bit parallel mode 40 8 - bit parallel mode 20 lp xck ei eo
12/25 figure 3. (continued) fr lp dispoffb y 1 ~y 160 t pd1 t pd2 t pd3 [l/r="l"]
13/25 common mode (v ss = v 5 = 0v, v dd = + 2.4v to + 4.5v, v 0 =+15 to +32v, ta=-20~85 c) parameter symbol condition min. typ. max. unit shift clock period t wlp t r , t f 20ns 250 ns v dd =+5.0v 10% 15 ns shift ? h ? pulse width t wlph v dd =+2.5v~+4.5v 30 ns data setup time t su 30 ns data hold time t h 50 ns input signal rise time t r 50 ns input signal fall time t f 50 ns dispoffb removal time t sd 100 ns dispoffb ? l ? pulse width t wdl 1.2 us output delay time (1) t dl cl=15pf 200 ns output delay time (2) t pd1 ,t pd2 cl=15pf 1.2 us output delay time (3) t pd3 cl=15pf 1.2 us t iming c haracteristics of common m ode (figure 4) t wlp t r t f t wlph t su t h t d l t wd l t sd lp eio 2 (di 7 ) eio 1 dispoffb
14/25 figure 4. (continued) t pd1 t pd2 t pd3 fr lp dispoffb y 1 ~ y 160 [l/r="l"]
15/25 7. optical characteristics 7.1 optical characteristics ta=25 item symbol condition min. typ. max. unit x y =0 -30 -- 30 viewing angle y c r 2 x =0 -30 -- 20 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
16/25 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: 70hz 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: 15.2v ; 2) frame frequency: 70hz
17/25 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 70 240h restore 4h at 25 2 low temperature storage endurance test applying the low storage temperature for a long time -20 240h restore 4h at 25 3 high temperature operation endurance test applying the electric stress (voltage current) and the thermal stress to the element for a long time 60 240h 4 low temperature operation endurance test applying the electric stress under low temperature for a long time -10 240h 5 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 6 temperature cycle endurance test applying the low and high temperature cycle -20 25 70 25 30min 5min 30min 5min 1 cycle -20 /70 10 cycles restore 4h at 25 7 vibration test (package state) endurance test applying the vibration during transportation 10hz~500hz, 100m/s 2 , 120min 8 shock test (package state) endurance test applying the shock during transportation half- sine wave, 300m/s 2 , 18ms 9 atmospheric pressure test endurance test applying the atmospheric pressure during transportation by air 25kpa 16h restore 2h
18/25 8.2 failure judgment criterion test item no. criterion item 12 3 4 56789 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
19/25 9. quality level inspection examination or test at t a =25 (unless otherwise stated) min. max. unit il aql external visual inspection under normal illumination and eyesight condition, the distance between eyes and lcd is 25cm. see appendix a ii major 1.0 minor 2.5 display defects under normal illumination 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
20/25 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: isopropyl alcohol ethyl alcohol solvents other than those men tioned above may damage the polarizer. especially, do not use the following: water ketone 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.
21/25 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.
22/25 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
23/25 appendix a inspection item and criteria for appearance defects (continued) items contents criteria a b c 3mm w/5 t / 2 cracks on pads 2mm w/5 t/2 24/25 appendix b inspection items and criteria for display defects items contents criteria 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 0 x 0 0.2mm x=(a+b)/2 not counted max.2 dots allowed pin holes and cracks in segment (dot) a<0.1mm 0.1mm 0 a 0 0.2mm d<0.25mm max.3 dots allowed not counted max.3 spots allowed x<0.1mm 0.1mm 0 x 0 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 0 a 0 0.05mm b 0 0.5mm max.3 spots (lines) allowed
25/25 appendix b inspection items and criteria fo r display defects (continued) items content criteria not counted max. 2 defects allowed x ? 0.1mm 0.1mm 0 x 0 0.2mm x=(a+b)/2 not counted max. 1 defects allowed a ? 0.1mm 0.1mm 0 a 0 0.2mm d>0 max.3 defects allowed transfor- mation of segment max.2 defects allowed 0.8w 0 a 0 1.2w a=measured value of width w=nominal value of width

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