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pacific display devices lcd component data sheet model number: 16244 16 character by 2 line alphanumeric lcd assembly with embedded controller contents 1. general information 1.1 product overview 2 1.2 part numbering system 2 1.3 absolute maximum ratings 3 1.4 circuit block diagram 3 1.5 mechanical characteristics 3 1.6 input signal function 4 1.7 lcm contrast control and bias 4 1.8 lcd dimensions 5 2. electrical / optical characteristics 2.1 dc electrical characteristics 6 2.2 ac electrical characteristics 6 2.3 optical characteristics 8 2.4 led backlight characteristics 9 2.5 el panel backlight characteristics 9 3. operating principals and methods 3.1 lcd controller display and control functions 10 3.2 display data ram address map 12 4. reliability 13 5. precautions for using lcd modules 14 139 avenida victoria ? suite 100 ? san clemente, ca ? 92672 tel: 949-361-8957 ? fax: 949-361-9158 ? web: www.pacificdisplay.com
specifications for liquid crysta l display module model no: 16244 1. general information 1. general information 1.1 product overview 1.1 product overview ? 16 character x 2 line alphanumeric dot matrix lcd module ? 16 character x 2 line alphanumeric dot matrix lcd module ? lcd controller: embedded s6a0069 or equivalent alpha- numeric controller ? lcd controller: embedded s6a0069 or equivalent alpha- numeric controller ? multiplexing driving: 1/16 duty, 1/5 bias ? multiplexing driving: 1/16 duty, 1/5 bias ? operating mode: super twiste d nematic (stn) technology ? operating mode: super twiste d nematic (stn) technology ? lcd module service life: 100,000 hours minimum ? lcd module service life: 100,000 hours minimum 1.2 part numbering system 1.2 part numbering system 16244 16244 -sl -sl -f -f -st -st -led -led -gy -gy -6 -6 ? custom option designator pacific display devices 11.07.2005 2 ? (blank) ? operating mode ? (-gr) green ? (-sl) silver ? (-bn) blue negative ? rear polarizer options: ? (-r) reflective ? (-f) transflective ? (-m) transmissive ? operating temperature ? (-st) standard (0 to +50 oc) ? (-et) extended (-20 to +70 oc) ? backlight options: ? (-led) led array backlight ? (-elp) el panel backlight ? ? backlight coloration options: ? (-gy) led - green/yellow ? (-am) led - amber ? (-rd) led - red ? (-bg) elp ? blue green ? viewing angle ? (-6) 6 o?clock ? (-12) 12 0?clock
specifications for liquid crysta l display module model no: 16244 1.3 absolute maximum ratings 1.3 absolute maximum ratings parameter parameter symbol symbol min min max max unit unit supply voltage for logic v dd -0.3 7.0 v supply voltage for lcd v dd ? v0 -- v dd +0.3 v input voltage vi -0.3 v dd +0.3 v standard operating temperature top (-st) 0 50 oc standard storage temperature tst (-st) -10 60 oc extended operating temperature top (-et) -20 70 oc extended storage temperature tst (-et) -30 80 oc soldering temp tsolder 260 oc 1.4 circuit block diagram controller ic s6a0069 lcd panel 16 characters x 2 lines v o v dd vss e r/w rs db0 ~ db7 led / el back light bla blk com16 seg80 1.5 mechanical characteristics item contents unit module size (w h t) 84.0 x 44.0 x 14.2 max (w/ led backlight) 84.0 x 44.0 x 10.0 max (w/ elp, reflective) mm viewing area (w h) 62.2 x 17.9 mm character matrix (w h) 5 8 dots character size (w h) 2.95 x 5.55 mm dot size (w h) 0.55 x 0.65 mm dot pitch (w h) 0.60 x 0.70 mm pacific display devices 11.07.2005 3
specifications for liquid crysta l display module model no: 16244 1.6 input signal function pin no. symbol level description 1 vss 0v ground 2 vdd 5.0v supply voltage for logic 3 vo --- input voltage for lcd 4 rs h/l h : data signal, l : instruction signal 5 r/w h/l h : read mode, l : write mode 6 e h, h l chip enable signal 7 db0 h/l data bit 0 8 db1 h/l data bit 1 9 db2 h/l data bit 2 10 db3 h/l data bit 3 11 db4 h/l data bit 4 12 db5 h/l data bit 5 13 db6 h/l data bit 6 14 db7 h/l data bit 7 15 led a(+) 4.2v back light anode 16 led k (-) 0v back light cathode 1.7 lcm contrast control and bias pacific display devices 11.07.2005 4
specifications for liquid crysta l display module model no: 16244 1.8 lcm dimensions pacific display devices 11.07.2005 5
specifications for liquid crysta l display module model no: 16244 2. electrical / optical characteristics 2.1 dc electrical characteristics (v dd = +5v 10% , v ss = 0v, ta = 25c ) parameter symbol condition min typ max unit supply voltage for logic v dd --- 4.5 5.0 5.5 v supply current for logic i dd --- --- 1.38 3 ma 0c --- 5.10 --- v 25c --- 4.50 --- v operating voltage for lcd* v dd -v o 50c --- 4.30 --- v input voltage ' h ' level v ih --- 2.2 --- vdd v input voltage ' l ' level v il --- -0.3 --- 0.6 v *note: -et temp range will require up to maximun 8v biasing and require a minimum external voltage supply of -3v @-20c. 2.2 ac electrical characteristics ? write mode characteristic symbol min. typ. max. unit test pin e cycle time t c 500 --- --- ns e e rise time t r --- --- 25 ns e e fall time t f --- --- 25 ns e e pulse width (high, low) t w 220 --- --- ns e r/w and rs set-up time t su1 40 --- --- ns r/w, rs r/w and rs hold time t h1 10 --- --- ns r/w, rs data set-up time t su2 60 --- --- ns db 0 ~ db 7 data hold time t h2 10 --- --- ns db 0 ~ db 7 pacific display devices 11.07.2005 6
specifications for liquid crysta l display module model no: 16244 ? read mode characteristic symbol min. typ. max. unit test pin e cycle time t c 500 --- --- ns e e rise time t r --- --- 25 ns e e fall time t f --- --- 25 ns e e pulse width t w 220 --- --- ns e r/w and rs set-up time t su 40 --- --- ns r/w, rs r/w and rs hold time t h 10 --- --- ns r/w, rs data output delay time t d --- --- 120 ns db 0 ~ db 7 data hold time t dh 20 --- --- ns db 0 ~ db 7 pacific display devices 11.07.2005 7
specifications for liquid crysta l display module model no: 16244 2.3 optical characteristics (v op = 4.7v, ta = 25c ) item symbol condition min typ max unit remarks note tr --- --- 250 380 ms --- 1 response time tf --- --- 200 300 ms --- 1 contrast ratio cr --- 3 5.0 --- --- --- 2 frame frequency f f --- --- 64 --- hz --- 2 25 --- --- deg ? = 90 3 33 --- --- deg ? = 270 3 52 --- --- deg ? = 0 3 viewing angle range cr 2 33 --- --- deg ? = 180 3 note1: definition of response time. note2: definition of contrast ratio ?cr? . note3: definition of viewing angle range ? ?. pacific display devices 11.07.2005 8
specifications for liquid crysta l display module model no: 16244 pacific display devices 11.07.2005 9 2.4 led backlight characteristics yellow-green led operating characteristics (5v - array lit) standard item symbol conditions min. typ. max. unit forward voltage v f ta= 25 c 3.8 4.1 4.4 vdc forward current i f ta= 25 c --- 120 260 ma reverse voltage v r ta= 25 c --- 8 --- v life (array or edge lit) standard item conditions min. max. unit life ta= 25 c 100,000 --- hrs 2.5 el panel backlight characteristics blue-green el panel opera ting characteristics: standard item conditions min. typ. max. unit current consumption 100vac rms, 400hz ta: 25c --- 2.5 3.9 ma el drive voltage --- --- 100 150 vac rms el drive frequency --- --- 400 1000 hz operating temperature --- -35c --- +50c c storage temperature --- -40c --- +60c c luminance 40 50 --- cd/m 2 luminance half-life 100vac rms, 400hz ta: 25c 3500 --- --- hrs *note: half life is defined as luminance being reduced by 50%
specifications for liquid crysta l display module model no: 16244 3. operating principals and methodes 3. operating principals and methodes ? control and display command ? control and display command command command rs rs r/w r/w db 7 db 6 db 5 db 4 db 3 db 2 db 1 db 0 exe time exe time f=250khz f=250khz remark remark db 7 db 6 db 5 db 4 db 3 db 2 db 1 db 0 display clear l l l l l l l l l h 1.64ms return home l l l l l l l l h x 1.64ms cursor move to first digit entry mode set l l l l l l l h i/d sh 42 s ? i/d : set cursor move direction ? sh : specifies shift of display display on/off l l l l l l h d c b 42 s ? display ? cursor ? blinking h increase i/d l decrease h display is shifted sh l display is not shifted h display on d l display off h cursor on c l cursor off h blinking on b l blinking off shift l l l l l h s/c r/l x x 42 s set function l l l l h dl n f x x 42 s h display shift s/c l cursor move h right shift r/l l left shift h 8 bits interface dl l 4 bits interface h 2 line display n l 1 line display h 5 x 10 dots f l 5 x 7 dots set cg ram address l l l h cg ram address (corresponds to cursor address) 42 s cg ram data is sent and received after this setting set dd ram address l l h dd ram address 42 s dd ram data is sent and received after this setting read busy flag & address l h bf address counter used for both dd & cg ram address 0 s ? reads bf indication internal operating is being performed ? reads addr counter contents write data h l write data 46 s write data into dd or cg ram read data h h read data 46 s read data from dd or cg ram h busy bf l ready x : don?t care pacific display devices 11.07.2005 10
specifications for liquid crysta l display module model no: 16244 pacific display devices 11.07.2005 11 ? initializing by instruction power on | wait for more than 15ms after vdd rises to 4.5v | rs r/w db7 db6 db5 db4 db3 db2 db1 db0 0 0 0 0 1 1 * * * * bf cannot be checked before this instruction. function set | wait for more than 4.1ms | rs r/w db7 db6 db5 db4 db3 db2 db1 db0 0 0 0 0 1 1 * * * * bf cannot be checked before this instruction. function set | wait for more than 100 s | rs r/w db7 db6 db5 db4 db3 db2 db1 db0 0 0 0 0 1 1 * * * * bf cannot be checked before this instruction. function set | | | | | bf can be checked after following instruction. when bf is not checked, the waiting time between instructions is longer than execution instruction time. | rs r/w db7 db6 db5 db4 db3 db2 db1 db0 0 0 0 0 1 1 n f * * function set (specify the number of display lines and character font.) the number of display lines and character font cannot be changed afterwards. 0 0 0 0 0 0 1 0 0 0 display off 0 0 0 0 0 0 0 0 0 1 display clear 0 0 0 0 0 0 0 1 i/d s entry mode set | | initialization ends
specifications for liquid crysta l display module model no: 16244 3.2 display data ram address map lcd character location map characters 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 first line 00h 01h 02h 03h 04h 05h 06h 07h 08h 09h 0ah 0bh 0ch 0dh 0eh 0fh second line 40h 41h 42h 43h 44h 45h 46h 47h 48h 49h 4ah 4bh 4ch 4dh 4eh 4fh pacific display devices 11.07.2005 12
specifications for liquid crysta l display module model no: 16244 4. reliability 4. reliability environmental test environmental test no . test item content of test test condition applicable standard 1 high temperature storage endurance test applying the high storage temperature for a long time. 80 c 200 hrs ------ 2 low temperature storage endurance test applying the low storage temperature for a long time. -30 c 200 hrs ------ 3 high temperature operation endurance test applying the electric stress (voltage & current) and the thermal stress to the element for a long time. 70 c 200 hrs ------ 4 low temperature operation endurance test applying the electric stress under low temperature for a long time. -20 c 200 hrs ------ 5 high temperature / humidity storage endurance test applying the high temperature and high humidity storage for a long time. 80 c , 90 % rh 96 hrs mil-202e-103b jis-c5023 6 high temperature / humidity operation endurance test applying the electric stress (voltage & current) and temperature / humidity stress to the element for a long time. 70 c , 90 % rh 96 hrs mil-202e-103b jis-c5023 7 temperature cycle endurance test applying the low and high temperature cycle. -20 c / 70 c 10 cycles ------ mechanical test 8 vibration test endurance test applying the vibration during transportation and using. 10 22hz 1.5mmp-p 22 500hz 1.5g total 0.5hrs mil-202e-201a jis-c5025 jis-c7022-a-10 9 shock test constructional and mechanical endurance test applying the shock during transportation. 50g half sign wave 1l msedc 3 times of each direction mil-202e-213b 10 atmospheric pressure test endurance test applying the atmospheric pressure during transportation by air. 115 mbar 40 hrs mil-202e-105c others 11 static electricity test endurance test applying the electric stress to the terminal. vs=800v , rs=1.5 k cs=100 pf 1 time mil-883b- 3015.1 25 c 5min. 1 70 c 30min. -20 c 30min. ??? supply voltage for logic system = vdd. supply voltage for lcd system = operating voltage at 25 c lcd panel service life definition of panel service life ? 100,000 hours minimum at 25 c 10% ? contrast becomes 30% of initial value ? current consumption becomes three times higher than initial value ? remarkable alignment deterioration occurs in lcd cell layer ? unusual operation occurs in display functions pacific display devices 11.07.2005 13
specifications for liquid crysta l display module model no: 16244 5. precautions for using lcd modules installing lcd modules the hole in the printed circuit board is used to fix lcm as shown in the picture below. attend to the following items when installing the lcm. 1) cover the surface with a transparent protective plate to protect the polarizer and lc cell. 2) when assembling the lcm into other equipment, the spacer to the bit between the lcm and the fitting plate should have enough height to avoid causing stress to the module surface, refer to the individual specifications for measurements. the measurement tolerance should be 0.1mm. precaution for handing lcd modules since lcm has been assembled and adjusted with a high degree of precision, avoid applying excessive shocks to the module or making any alterations or modifications to it. 1) cover the surface with a transparent protective plate to protect the polarizer and lc cell. 2) do not alter, modify or change the shape of the tab on the metal frame. 3) do not make extra holes on the printed circuit board, modify its shape or change the positions of components to be attached. 4) do not damage or modify the pattern writing on the printed circuit board. 5) absolutely do not modify the zebra rubber strip (conductive rubber) or heat seal connector. 6) except for soldering the in terface, do not make any alterations or modifications with a soldering iron. 7) do not drop, bend or twist lcm. electro-static discharge control since this module uses a cmos lsi, the same careful attention should be paid to electrostatic discharge as for an ordinary cmos ic. 1) make certain that you are grounded when handing lcm. 2) before remove lcm from its packing case or incorporating it into a set, be sure the module and your body have the same electric potential. 3) when soldering the terminal of lcm, make certain the ac power source for the soldering iron does not leak. 4) when using an electric screwdriver to attach lcm, the screwdriver should be of ground potentiality to minimize as much as possible any transmission of electromagnetic waves produced sparks coming from the commutator of the motor. 5) as far as possible make the electric potential of you r work clothes and that of the work bench the ground potential. 6) to reduce the generation of static elect ricity be careful that the air in the work is not too dried. a relative humidity of 50%-60% is recommended. precaution for soldering to the lcm 1) observe the following when soldering lead wi re, connector cable and etc. to the lcm. a) soldering iron temperature : 280 c 10 c. b) soldering time : 3-4 sec. 2) solder : eutectic solder. pacific display devices 11.07.2005 14
specifications for liquid crysta l display module model no: 16244 pacific display devices 11.07.2005 15 3) if soldering flux is used, be sure to remove any remaining flux after finishing to soldering operation. (this does not apply in the case of a non-halogen type of flux.) it is recommended th at you protect the lcd surface with a cover during soldering to prevent any damage due to flux spatters. 4) when soldering the electroluminescent panel and pc board, the panel and board should not be detached more than three times. this maximum number is determined by the temperature and time conditions mentioned above, though there may be some variance depending on the temperature of the soldering iron. 5) when remove the electroluminescent panel from the pc board, be sure the solder has completely melted, the soldered pad on the pc board could be damaged. precautions for operation 1) viewing angle varies with the change of liquid crystal driving voltage (vo). adjust vo to show the best contrast. 2) driving the lcd in the voltage above the limit shortens its life. 3) response time is greatly delayed at temperature below the operating temperature range. however, this does not mean the lcd will be out of the order. it will recover when it returns to the specified temperature range. 4) if the display area is pushed hard during operation, the di splay will become abnormal. however, it will return to normal if it is turned off and then back on. 5) condensation on terminals can cause an electrochemical r eaction disrupting the terminal circuit. therefore, it must be used under the relative condition of 40 c , 50% rh. 6) when turning the power on, input each signal after the positive/negative voltage becomes stable. safety ? if the lcd panel breaks, be careful not to get the liquid crystal in your mouth. if the liquid crystal touches your skin or clothes, wash it off immediately using soap and plenty of water. handling ? the display panel is made of glass. do not subject it to a mechanical shock by dropping it or impact. ? if the display panel is damaged and the liquid crystal substance leaks out, be sure not to get any in your mouth. if the substance contacts your skin or clothes, wash it off using soap and water. ? do not apply excessive force to the disp lay surface or the adjoining areas since this may cause the color tone to vary. ? the polarizer covering the display surf ace of the lcd module is soft and easily scratched. handle this polarizer carefully. ? if the display surface becomes contaminated, breathe on the su rface and gently wipe it with a soft dry cloth. if it is heavily contaminated, moisten cloth with one of the following solvents : o isopropyl alcohol o ethyl alcohol ? solvents other than those above-mentioned may damage the polarizer. especially, do not use the following. o water o ketone o aromatic solvents ? exercise care to minimize corrosion of the electrode. co rrosion of the electrodes is accelerated by water droplets, moisture condensation or a current flow in a high-humidity environment. ? install the lcd module by using the mounting holes. when mounting the lcd module make sure it is free of twisting, warping and distortion. in partic ular, do not forcibly pull or bend the i / o cable or the backlight cable. ? do not attempt to disassemble or process the lcd module. ? nc terminal should be open. do not connect anything. ? if the logic circuit power is off, do not apply the input signals.
specifications for liquid crysta l display module model no: 16244 pacific display devices 11.07.2005 16 ? to prevent destruction of the elements by static electricity, be careful to maintain an optimum work environment. o be sure to ground the body when handling the lcd modules. o tools required for assembling, such as soldering irons, must be properly grounded. o to reduce the amount of static elect ricity generated, do not conduct assembling and other work under dry conditions. o the lcd module is coated with a film to protect the display surface. exercise ca re when peeling off this protective film since static electricity may be generated. storage ? when storing the lcd modules, avoid exposure to direct sunlight or to the light of fluorescent lamps ? store the module in a dark pla ce where the temperature is 25 o c 10 o c and the humidity below 65% rh. ? do not store the module near organic solvents or corrosive gases. ? do not crush, shake, or jolt th e module (including accessories). cleaning ? do not wipe the polarizing plate with a dry cloth, as it may scratch the surface. ? wipe the module gently with soft cl oth soaked with a petroleum benzene. ? do not use ketonic solvents (ketone and acetone) or aromatic solvents (toluene and xylene), as they may damage the polarizing plate. others: ? liquid crystals solidify under low temper ature (below the storage temperature ra nge) leading to defective orientation or the generation of air bubbles (black or white). air bubbles may also be generated if the module is subject to a low temperature. ? if the lcd modules have been operating for a long time showing the same display patterns, the display patterns may remain on the screen as ghost images an d a slight contrast irregularity may also appear. a normal operating status can be regained by suspending use for some time. it should be noted that this phenomenon does not adversely affect performance reliability. ? to minimize the performance degradation of the lcd modules resulting from destruction caused by static electricity etc., exercise care to avoid holding the following sections when handling the modules. - exposed area of the printed circuit board. - terminal electrode sections.

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