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ver 1.0 specification for lcd module model no. TM244BFFU6 prepared by: date: checked by : date: verified by : date: approved by: date: tianma microelectronics co., ltd
1/22 ver 1.0 revision record date ver. ref. page revision no. revision item
2/22 ver 1.0 1 general specifications: 1.1 display type: stn 1.2 display color* 1 : display color* 2 : white background: blue 1.3 polarizer mode: trans missive/negative 1.4 viewing angle: 12:00 1.5 driving method: 1/33 duty 1/6 bias 1.6 backlight: led 1.7 controller: s6b0078x01-c0cx 1.8 display fonts: 5 x 7 dots+cursor (1 character) 1.9 data transfer: 8 bit parallel 1.10 operating temperature: 0----+50 storage temperature: -20----+60 1.11 outline dimensions: refer to outline drawing on next page 1.12 dot matrix: 24 characters x 4 lines 1.13 dot size: 0.60x0.65(mm) 1.14 dot pitch: 0.65x0.70 (mm) 1.15 weight: approx 100g * 1 color tone is slightly changed by temperature and driving voltage. * 2 color tone will be changed by backlight.
3/22 ver 1.0 2 outline drawing
4/22 ver 1.0 3 lcd module part numbering system t m 244 b f f u 6 modification code designator u: 12:00 viewing direction backlight type f: transmissive led backlight lcd type f: bule mode stn negative module series module type 3 digits indicating 24 characters x 4 lines t: tianma m: module
5/22 ver 1.0 4 circuit block diagram
6/22 ver 1.0 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 -0.3 25.0 v operating temperature range t op 0 +50 storage temperature range t st -20 +60 no condensation
7/22 ver 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 4.5 5.0 5.5 v supply voltage (lcd drive) v lcd - 7.0 - v high v ih v dd =5.0 0.8v dd - v dd +0.3 v input signal voltage low v il v dd =5.0 0 - 0.2 v dd v supply current (logic) i dd (v dd - v ss =5.0v) - 1.4 - ma supply current (lcd drive) i ee - 0.85 - ma supply current (led) i led 410 ma
8/22 ver 1.0 6.2 interface signals pin no. symbo l level description 1 vss 0v ground 2 vdd 5.0v power supply voltage for logic and lcd(+) 3 vci 2.0~4.5v the voltage c onverter to generate lcd drive voltage 4 rs h/l selects registers 5 r/w h/l read/write signal 6 e h/l chip enable signal 7 db0 h/l data bit0 8 db1 h/l data bit1 9 db2 h/l data bit2 10 db3 h/l data bit3 11 db4 h/l data bit4 12 db5 h/l data bit5 13 db6 h/l data bit6 14 db7 h/l data bit7 15 a 4.2v backlight power supply(+) 16 k 0v backlight power supply(-) 17 vout -2.0v two times converter output 18 nc - no connection
9/22 ver 1.0 6.3 interface timing chart v ih1 v il1 t su1 v il1 t h1 v il1 t h1 t f t w t h2 v ih1 v il1 t su2 t r v ih1 v il1 valid data v ih1 v il1 t c db0 - db7 e r/w rs v il1 v ih1 v il1 write mode v ih1 v il1 t su v ih1 t h v ih1 t h t f t w t dh v ih1 v il1 t r v oh1 v ol1 valid data v oh1 v ol1 t c db0 - db7 e r/w rs t d v il1 v ih1 v il1 read mode
10/22 ver 1.0 6.4 instruction code instruction description 1 (ie = "high") instruction set 1 instruction code instruction re rs r/w db7 db6 db5 db4 db3 db2 db1 db0 description executi on time ( fosc = 270khz) clear display x 0 0 0 0 0 0 0 0 0 1 write "20h" to ddram. and set ddram address to "00h" from ac. 1.53ms return home 0 0 0 0 0 0 0 0 0 1 x set ddram address to "00h" from ac and return cursor to its original position if shifted. the contents of ddram are not changed. 1.53ms power down mode 1 0 0 0 0 0 0 0 0 1 pd set power down mode bit. pd = "1" :power down mode set, pd = "0" :power down mode disable 39 m s entry mode set 0 0 0 0 0 0 0 0 1 i/d s assign cursor moving direction. i/d = "1": increment, i/d = "0": decrement and display shift enable bit. s = "1": make display shift of the enabled lines by the ds4 - ds1 bits in the shift enable instruction. s = "0": display shift disable 39 m s 1 0 0 0 0 0 0 0 1 1 bid segment bi-direction function. bid = " 0 ": seg1 ? seg80, bid = " 1 ": seg80 ? seg1. display on/off control 0 0 0 0 0 0 0 1 d c b set display/cursor/blink on/off d = "1": display on, d = "0": display off, c = "1": cursor on, c = "0": cursor off, b = "1": blink on, b = "0": blink off. 39 m s
11/22 ver 1.0 instruction set 1 (continued) instruction code instruction re rs r/w db7 db6 db5 db4 db3 db2 db1 db0 description executi on time ( fosc = 270khz) extended function set 1 0 0 0 0 0 0 1 fw b/w nw assign font width, black/white inverting of cursor, and 4-line display mode control bit. fw = "1": 6-dot font width, fw = "0": 5-dot font width, b/w = "1": black/white inverting of cursor enable, b/w = "0": black/white inverting of cursor disable nw = "1" : 4-line display mode, nw = "0" : 1-line or 2-line display mode. 39 m s cursor or display shift 0 0 0 0 0 0 1 s/c r/l x x cursor or display shift. s/c = "1": display shift, s/c = "0": cursor shift, r/l = "1": shift to right, r/l = "0": shift to left. 39 m s shift enable 1 0 0 0 0 0 1 ds4 ds3 ds2 ds1 (when dh = "1") determine the line for display shift ds1 = "1/0": 1st line display shift enable/disable ds2 = "1/0": 2nd line display shift enable/disable ds3 = "1/0": 3rd line display shift enable/disable ds4 = "1/0": 4th line display shift enable/disable. 39 m s scroll enable 1 0 0 0 0 0 1 hs4 hs3 hs2 hs1 (when dh = "0") determine the line for horizontal smooth scroll. hs1 = "1/0": 1st line dot scroll enable/disable hs2 = "1/0": 2nd line dot scroll enable/disable hs3 = "1/0": 3rd line dot scroll enable/disable hs4 = "1/0": 4th line dot scroll enable/disable. 39 m s
12/22 ver 1.0 instruction set 1 (continued) instruction code instruction re rs r/w db7 db6 db5 db4 db3 db2 db1 db0 description executi on time ( fosc = 270khz) 0 0 0 0 0 1 dl n re (0) dh rev set interface data length (dl = "1": 8-bit, dl = "0": 4-bit), numbers of display line when nw = "0", (n = "1": 2-line, n = "0": 1-line),extension register, re ("0"), shift/scroll enable dh = "1": display shift enable dh = "0": dot scroll enable. reverse bit rev = "1": reverse display, rev = "0": normal display. 39 m s function set 1 0 0 0 0 1 dl n re (1) be 0 set dl, n, re ("1") and cgram/segram blink enable (be) be = " 1/0": cgram/segram blink enable/disable 39 m s set cgram address 0 0 0 0 1 ac5 ac4 ac3 ac2 ac1 ac0 set cgram address in address counter. 39 m s set segram address 1 0 0 0 1 x x ac3 ac2 ac1 ac0 set segram address in address counter. 39 m s set ddram address 0 0 0 1 ac6 ac5 ac4 ac3 ac2 ac1 ac0 set ddram address in address counter. 39 m s set scroll quantity 1 0 0 1 x sq 5 sq 4 sq 3 sq 2 sq 1 sq 0 set the quantity of horizontal dot scroll. 39 m s read busy flag and address x 0 1 bf ac6 ac5 ac4 ac3 ac2 ac1 ac0 can be known whether during internal operation or not by reading bf. the contents of address counter can also be read. bf = "1": busy state, bf = "0": ready state. 0 m s write data x 1 0 d7 d6 d5 d4 d3 d2 d1 d0 write data into internal ram (ddram / cgram / segram). 43 m s read data x 1 1 d7 d6 d5 d4 d3 d2 d1 d0 read data from internal ram (ddram / cgram / segram). 43 m s notes: 1. when an mpu program with busy flag (db7) checking is mode, 1/2 fosc (is necessary) for executing the next instruction by the "e" signal after the busy flag (db7) goes to "low" 2. "x" don? s care
13/22 ver 1.0 7 optical characteristics 7.1 optical characteristics ta=25 item symbol condition min. typ. max. unit x y =0 -20 -- 30 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 - - 300 response time turn off t off x =0 y =0 - - 300 ms
14/22 ver 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: 68.2hz 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: 7.0v 2) frame frequency: 68.2hz
15/22 ver 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 60 96h 2 low temperature storage endurance test applying the low storage temperature for a long time -20 96h 3 high temperature operation endurance test applying the electric stress (voltage current) and the thermal stress to the element for a long time 50 96h 4 low temperature operation endurance test applying the electric stress under low temperature for a long time 0 96h 5 high temperature /humidity storage endurance test applying the high temperature and high humidity storage for a long time 40 90%rh 96h 6 temperature cycle endurance test applying the low and high temperature cycle -20 25 60 25 30min 5min 30min 5min ???????????? 1 cycle -20 /60 10 cycles 7 vibration test (package state) endurance test applying the vibration during transportation 10hz~150hz 50m/s 2 40min 8 shock test (package state) endurance test applying the shock during transportation half- sine wave 100m/s 2 , 11ms 9 atmospheric pressure test endurance test applying the atmospheric pressure during transportation by air 40kpa 16h
16/22 ver 1.0 8.2 failure judgment criterion test item no. criterion item 1 2 3 4 5 6 7 8 9 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
17/22 ver 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
18/22 ver 1.0 10 precautions for us e of lcd modules 10.1 handling precautions 10.1.1 the display panel is made of glass. 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 coveri ng the display surface of the lcd module 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 still not completely clear, moisten cloth with one of the following solvents: isopropyl alcohol ethyl alcohol solvents other than those mentioned 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 generated, 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.
19/22 ver 1.0 10.2 storage precautions 10.2.1 when storing the lcd modules, avoid 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.
20/22 ver 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
21/22 ver 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
22/22 ver 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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