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ps2002lrs-awa-b-01 rev.0(dk) page2 records of revision date rev. description note page 2005/2/21 0 new sample total 21 page
ps2002lrs-awa-b-01 rev.0(dk) page3 contents 1. specifications 1.1 features 1.2 mechanical specifications 1.3 absolute maximum ratings 1.4 dc electrical characteristics 1.5 optical characteristics 1.6 backlight characteristics 2. module structure 2.1 counter drawing 2.2 interface pin description 2.3 timing characteristics 2.4 display command 2.5 character pattern 3. quality assurance system 3.1 quality assurance flow chart 3.2 inspection specification 4. reliability test 4.1 reliability test condition 5. precaution relating product handling 5.1 safety 5.2 handling 5.3 storage 5.4 terms of warranty 5.5 jumper(setting different use) 5.6 packing specification 6.the product conforrms the rohs of ptc note for detailed information please refer to ic data sheet st7066u,ax6112hmc
ps2002lrs-awa-b-01 rev.0(dk) page4 1. specifications 1.1 features item standard value display type 20*2 characteristics lcd type stn gray positive transflective normal temp. driver condition lcd module 1/16 duty 1/4 bias viewing direction 6 o clock backlight yg led b/l weight 57 g interface - other(controller/driver ic) 1.2 mechanical specifications item standard value unit outline dimension 116.0(l)*37.0(w)*14.5(h)(max) mm viewing area 85.0(l) *18.6(w) mm active area 73.5(l)*11.5(w) mm dot size 0.60(l)*0.65(w) mm dot pitch 0.65(l)*0.70(w) mm note for detailed information please refer to lcm drawing 1.3 absolute maximum ratings item symbol condition min. max. unit power supply voltage v dd -0.3 7.0 v lcd driver supply voltage v lcd v dd -10.0 v dd +0.3 v input voltage v in -0.3 v dd +0.3 v operating temperature t op excluded b/l 0 50 storage temperature t st excluded b/l -20 70 storage humidity h d ta 40 - 90 %rh
ps2002lrs-awa-b-01 rev.0(dk) page5 1.4 dc electrical characteristics v dd = 5.0 v 10% v ss = 0v ta = 25 item symbol condition min. typ. max. unit logic supply voltage v dd 4.5 5.0 5.5 v h input voltage v ih 0.7 v dd - v dd v l input voltage v il -0.3 - 0.6 v h output voltage v oh i oh =-0.1ma 3.9 - v dd v l output voltage v ol i ol =0.1ma - - 0.4 v supply current i dd v dd = 5.0 v - 1.5 - ma 0 - - - 25 *1 - 4.5 - lcm driver voltage v op 50 - - - v note: *1. the v op test point is v dd - v o. 1.5 optical characteristics lcd panel 1/16 duty 1/5 bias v lcd =4.8 v ta = 25 item symbol conditions min. typ. max. reference view angle c> 2.0, ? = 0 25 - - notes 1 & 2 contrast ratio c = 5 , ? = 0 5 7 note 3 response time(rise) tr = 5 , ? = 0 - 150 ms - note 4 response time(fall) tf = 5 , ? = 0 - 300 ms - note 4
ps2002lrs-awa-b-01 rev.0(dk) page6 light (when reflected) z ( q =0 ) note 1: definition of angles q and ? note 2: definition of viewing angles q 1 and q 2 q 1 q 2 viewing angle q ( ? fixed) note : optimum viewing angle with the naked eye and viewing angle q at cmax. above are not always the same note 3: definition of contrast c note 4: definition of response time brightness (reflection) of unselected dot (b2) c = ?????????????????? brightness (reflection) of selected dot (b1) contrast non-selected state v lcd -v lcd 0 tf 90 % tr 10 % selected state non-selected state time 0 note: measured with a transmissive lcd operating voltage (v) panel which is displayed 1 cm 2 v lcd : operating voltagef frm : frame frequency t r : response time (rise) t f : response time (fall) (%) brightness (reflection) brightness (reflection) of selected dot brightness (reflection) of unselected dot cmax. contrast c 2.0 sensor lcd panel x( ? =90 ) light (when transmitted ) x z y( ? =0 ) ( q =90 ) ? y ( ? =180 ) q b2 b1
ps2002lrs-awa-b-01 rev.0(dk) page7 1.6 backlight characteristics lcd module with led backlight maximum ratings item symbol conditions min. max. unit forward current if ta =25 - 525 ma reverse voltage vr ta =25 - 8 v power dissipation po ta =25 - 2.4 w operating temperature t op - -20 70 storage temperature t st - -40 80 solder temp. for 3 second - - - 260 electrical / optical characteristics ta =25 item symbol conditions min. typ. max. unit forward voltage vf if= 210 ma - 4.2 4.6 v wavelength p if= 210 ma 571 - 576 nm luminous intensity (without lcd) i v i f =210 ma 200 250 - cd/m 2 color yellow-green
ps2002lrs-awa-b-01 rev.0(dk) page8 2. module structure 2.1 counter drawing
ps2002lrs-awa-b-01 rev.0(dk) page9 2.2 interface pin description pin no. symbol signal description 1 v ss power supply (vss=0) 2 v dd power supply (v dd >v ss ) 3 v o operating voltage for lcd 4 rs register selection input high = data register low = instruction register (for write) busy flag address counter (for read) 5 r/w read/write signal input is used to select the read/write mode high = read mode, low = write mode 6 e start enable signal to read or write the data 7~10 db0 ~ db3 four low order bi-directional three-state data bus lines. use for data transfer between the mpu and the lcd module. these four are not used during 4-bit operation. 11~14 db4~db7 four high order bi-directional three-state data bus lines. used for data transfer between the mpu and the lcd module. db7 can be used as a busy flag. 15 a power supply for led b/l (+) 16 k power supply for led b/l (-) contrast adjust lcd module v dd 2 3 1 1 10~20k w v o 4.2v 15 16 vss
ps2002lrs-awa-b-01 rev.0(dk) page10 2.3 timing characteristics writing data from mpu to st7066u v ih1 v il1 t as t ah t ah t pw t h valid data t c db0-db7 e r/w rs t dsw t r l reading data from st7066u to mpu rs r/w e db0-db7 t c t ddr valid data t h t pw t ah t ah t r t as v il1 v ih1
ps2002lrs-awa-b-01 rev.0(dk) page11 write mode (writing data from mpu to st7066u) (v cc = +5v,ta=25 c) symbol characteristics test condition min. typ. max. unit t c enable cycle time pin e 1200 - - ns t pw enable pulse width pin e 140 - - ns t r , t f enable rise / fall time pin e - - 25 ns t as address setup time pins: rs , rw,e 0 - - ns t ah address hold time pins :rs,rw,e 10 - - ns t dsw data setup time pins:db0~db7 40 - - ns t h data hold time pins:db0~db7 10 - - ns read mode (reading data from st7066u to mpu) (v cc = +5v,ta=25 c) symbol characteristics test condition min. typ. max. unit t c enable cycle time pin e 1200 - - ns t pw enable pulse width pin e 140 - - ns t r , t f enable rise / fall time pin e - - 25 ns t as address setup time pins: rs , rw,e 0 - - ns t ah address hold time pins :rs,rw,e 10 - - ns t ddr data setup time pins:db0~db7 - - 100 ns t h data hold time pins:db0~db7 10 - - ns
ps2002lrs-awa-b-01 rev.0(dk) page12 2.4 display command instruction code instructions rs r/w db 7 db 6 db 5 db 4 db 3 db 2 db 1 db 0 description description time (270khz) clear display 0 0 0 0 0 0 0 0 0 1 write "20h" to ddram. and set ddram address to "00h" from ac. 1.52ms return home 0 0 0 0 0 0 0 0 1 set ddram address to "00h" from ac and return cursor to it's original position if shifted. the contents of ddram are not changed. 1.52ms entry mode set 0 0 0 0 0 0 0 1 i/d s sets cursor move direction and specifies display shift. these operations are performed during data write and read . 37 s display on/off 0 0 0 0 0 0 1 d c b d=1 : entire display on c=1 : cursor on b=1 : cursor position on 37 s cursor or display shift 0 0 0 0 0 1 s/c r/l set cursor moving and display shift control bit, and the direction, without changing of ddram data. 37 s function set 0 0 0 0 1 dl n f dl: interface data is 8/4 bits nl: number of line is 2/1 f: font size is 5 11/5 8 37 s set cgram address 0 0 0 1 ac 5 ac 4 ac 3 ac 2 ac 1 ac 0 set cgram address in address counter. 37 s set ddram address 0 0 1 ac 6 ac 5 ac 4 ac 3 ac 2 ac 1 ac 0 set ddram address in address counter. 37 s
ps2002lrs-awa-b-01 rev.0(dk) page13 read busy flag and address 0 1 bf ac 6 ac 5 ac 4 ac 3 ac 2 ac 1 ac 0 whether during internal operation or not can be known by reading bf. the contents of address counter can also be read. 0 s write data to ram 1 0 d7 d6 d5 d4 d3 d2 d1 d0 write data into internal ram (ddram/cgram). 37 s read data from ram 1 1 d7 d6 d5 d4 d3 d2 d1 d0 read data from internal ram (ddram/cgram). 37 s note: be sure the st7066u is not in the busy state (bf=0) before sending an instruction from the mpu to the st7066. if an instruction is sent without checking the busy flag , the time between the first instruction and next instruction will take much longer than the instruction time itself. refer to instruction table for the list of each instruction execution time .
ps2002lrs-awa-b-01 rev.0(dk) page14 2.5 character pattern
ps2002lrs-awa-b-01 rev.0(dk) page15 3. quality assurance system 3.1 quality assurance flow chart item customer sales r&d q.a manufactur ing product control purchase inventory control marketing & design sample approval pilot run & mass product ship out ok request info survey inquiry project eval uation project validation quote ok ng contract design check sample test verification sample approval ng ng pilot run & reliability test verification specification preparation ok mass production inspection ng ok shipment ng ship out ok
ps2002lrs-awa-b-01 rev.0(dk) page16 item customer sales r&d q.a manufactu ring product control purchase inventory control sales service q.a activity 1. iso 9001 maintenance activities 2. process improvement proposal 3. equipment calibration 4. education and training activities 5. standardization management info claim failure analysis corrective action tracking analysis report
ps2002lrs-awa-b-01 rev.0(dk) page17 3.2 inspection specification inspection standard mil-std-105e table normal inspection single sampling level equipment gauge mil-std powertip tester sample iqc defect level major defect aql 0.4; minor defect aql 1.5 fqc defect level 100% inspection out going defect level sampling specification no item specification judge level 1 part number the part number is inconsistent with work order of production n.g. major 2 quantity the quantity is inconsistent with work order of production n.g. major the display lacks of some patterns. n.g. major missing line. n.g. major the size of missing dot, a is 1/2 dot size n.g. major there is no function. n.g. major 3 electronic characteristics of lcm a=( l + w ) 2 output data is error n.g. major material is different with work order of production n.g. major lcd is assembled in inverse direction n.g. major bezel is assembled in inverse direction n.g. major shadow is within lcd viewing area + 0.5 mm n.g. major the diameter of dirty particle, a is 0.4 mm n.g. minor dirty particle length is 3.0mm, and 0.01mm width Q 0.05mm n.g. minor display is without protective film n.g. minor conductive rubber is over bezel 1mm n.g. minor polarizer exceeds over viewing area of lcd n.g. minor area of bubble in polarizer, a 1.0mm, the number of bubble is 1 piece. n.g. minor 4 appearance of lcd a=( l + w ) 2 dirty particle (including scratch bubble ) 0.4mm area of bubble in polarizer, a 1.0mm, the number of bubble is 4 pieces. n.g. minor burned area or wrong part number is on pcb n.g. major the symbol, character, and mark of pcb are unidentifiable. n.g minor the stripped solder mask , a is 1.0mm n.g. minor 0.3mm stripped solder mask or visible circuit, a 1.0mm, and the number is R 4 pieces n.g. minor there is particle between the circuits in solder mask n.g minor the circuit is peeled off or cracked n.g minor there is any circuits risen or exposed. n.g minor 0.2mm area of solder ball, a is Q 0.4mm the number of solder ball is R 3 pieces n.g minor 5 appearance of pcb a=( l + w ) 2 the magnitude of solder ball, a is 0.4mm. n.g minor
ps2002lrs-awa-b-01 rev.0(dk) page18 no item specification judge level the shape of modeling is deformed by touching. n.g. major insufficient epoxy: circuit or pad of ic is visible n.g. minor excessive epoxy: diameter of modeling is 20mm or height is 2.5mm n.g. minor 6 appearance of molding a=( l + w ) 2 the diameter of pinhole in modeling, a is 0.2mm. n.g. minor the folding angle of frame must be 45 +10 n.g. minor the area of stripped electroplate in top-view of frame, a is 1.0mm. n.g. minor rust or crack is (top view only) n.g. minor 7 appearance of frame a=( l + w ) 2 the scratched width of frame is 0.06mm. (top view only) n.g. minor the color of backlight is nonconforming n.g. major backlight can t work normally. n.g. major the led lamp can t work normally n.g. major the unsoldering area of pin for backlight, a is 1/2 solder joint area. n.g. minor 8 electrical characteristic of backlight a=( l + w ) 2 the height of solder pin for backlight is 2.0mm n.g. minor the mark or polarity of component is unidentifiable. n.g. minor the height between bottom of component and surface of the pcb is floating 0.7mm n.g. minor d 1/4w w d d pad n.g. minor end solder joint width, d is 50% width of component termination or width of pad n.g. minor side overhang, d is 25% width of component termination. n.g. minor component is cracked, deformed, and burned, etc. n.g. minor the polarity of component is placed in inverse direction. n.g. minor 10 assembly parts a=( l + w ) 2 maximum fillet height of solder extends onto the component body or minimum fillet height is 0.5mm. n.g. minor
ps2002lrs-awa-b-01 rev.0(dk) page19 4. reliability test 4.1 reliability test condition no item test condition 1 high temperature storage storage at 80 2 96~100 hrs surrounding temperature, then storage at normal condition 4hrs 2 low temperature storage storage at -30 2 96~100 hrs surrounding temperature, then storage at normal condition 4hrs 3 high temperature /humidity storage 1.storage 96~100 hrs 60 2 , 90~95%rh surrounding temperature, then storage at normal condition 4hrs. (excluding the polarizer). or 2.storage 96~100 hrs 40 2 , 90~95%rh surrounding temperature, then storage at normal condition 4 hrs. 4 temperature cycling -20 25 70 25 (30mins) (5mins) (30mins) (5mins) 10 cycle 5 vibration 10~55hz ( 1 minute ) 1.5mm x,y and z direction ~ (each 2hrs) air discharge: apply 6 kv with 5 times discharge for each polarity +/- contact discharge: apply 250v with 5 times discharge for each polarity +/- 6 esd test testing location: around the face of lcd testing location: 1.apply to bezel. 2.apply to vdd, vss. packing weight (kg) drop height (cm) 0 ~ 45.4 122 45.4 ~ 90.8 76 90.8 ~ 454 61 7 drop test over 454 46
ps2002lrs-awa-b-01 rev.0(dk) page20 5. precaution relating product handling 5.1 safety 5.1.1 if the lcd panel breaks , be careful not to get the liquid crystal to touch your skin. 5.1.2 if the liquid crystal touches your skin or clothes , please wash it off immediately by using soap and water. 5.2 handling 5.2.1 avoid any strong mechanical shock which can break the glass. 5.2.2 avoid static electricity which can damage the cmos lsi when working with the module , be sure to ground your body and any electrical equipment you may be using. 5.2.3 do not remove the panel or frame from the module. 5.2.4 the polarizing plate of the display is very fragile. so , please handle it very carefully ,do not touch , push or rub the exposed polarizing with anything harder than an hb pencil lead (glass , tweezers , etc.) 5.2.5 do not wipe the polarizing plate with a dry cloth , as it may easily scratch the surface of plate. 5.2.6 do not touch the display area with bare hands , this will stain the display area. 5.2.7 do not use ketonics solvent & aromatic solvent. use with a soft cloth soaked with a cleaning naphtha solvent. 5.2.8 to control temperature and time of soldering is 280 10 and 3-5 sec. 5.2.9 to avoid liquid (include organic solvent) stained on lcm . 5.3 storage 5.3.1 store the panel or module in a dark place where the temperature is 25 5 and the humidity is below 65% rh. 5.3.2 do not place the module near organics solvents or corrosive gases. 5.3.3 do not crush , shake , or jolt the module. 5.4 terms of warranty 5.4.1 applicable warrant period the period is within thirteen months since the date of shipping out under normal using and storage conditions. 5.4.2 unaccepted responsibility this product has been manufactured to your company s specification as a part for use in your company s general electronic products. it is guaranteed to perform according to delivery specifications. for any other use apart from general electronic equipment , we cannot take responsibility if the product is used in nuclear power control equipment , aerospace equipment , fire and security systems or any other applications in which there is a direct risk to human life and where extremely high levels of reliability are required.
ps2002lrs-awa-b-01 rev.0(dk) page21 5.5 jumper(setting different use) 5.5.1 short:j1(1.3)/j2(2.3)/j3(2,3)/jm/jf. 5.5.2 open: all the jumper unnoted. 5.6 packing specification 5.6.1 package box specification item standard value unit box size 310 (l)*255(w)*55(t) mm qty 24 pcs g.w 1.65 kg note the g.w is reference only. 5.6.2 carton specification item standard value unit carton size 525(l)*325 (w)*360(t) mm qty 288 pcs g.w 21.0 kg note the g.w is reference only.

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