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displaytronic xiamen zettler electronics co., ltd specifications for liquid crystal display acm1202k series character module ver2.0 customer approval 1.polarizer options: r=reflective f=transflective n=transmissive negative m=transmissive positive 2.backlight options: n=none e=el l=led (y-g ) c=ccfl 3. backlight color: a= amber b= blue g= green w=white r= red rgb= red+green+blue 4.fluid options: t=tn f=fstn y=stn-yellow green g=stn-gray b=stn-blue 5. viewing direction: b=bottom view(6 o?clock) t=top view(12 o?clock) 6.temperature range: s=standard temperature range h=dual power,wide temperature range w=single power,wide temperature range 7.others requirement: part no. : ACM1202K-FL-YBH-01 approval company chop customer comments displaytronic engineering approval design by checked by approved by
acm1202k series character module ver2.0 revision record revision revision date page contents ver1.1 15/6-2006 modify the cover,add content and revision record. displaytronic xiamen zettler electronics co., ltd.
acm1202k series character module ver2.0 contents 1.0 mechanical specs 2.0 absolute maximum ratings 3.0 electrical characteristics 4.0 optical characteristics 5.0 block diagram 6.0 pin assignment 7.0 power supply 8.0 timing characteristics 9.0 mechanical diagram 10.0 reliability test 11.0 display instruction table 12.0 standard character patterns displaytronic xiamen zettler electronics co., ltd.
acm1202k series character module ver2.0 1.0 mechanical specs 1. overall module size 54.4mm(w) x 35.3mm(h) x max 7.0mm(d) 2. dot size 0.56x0.65 mm 3. character pitch 3.5mm 4. duty 1/16 5. controller ic splc783a-01 or equ 6. lc fluid options stn yellow-green mode 7. polarizer options transflective 8. backlight options led yellow-green 9. temperature range options wide(-20oc ~ 70oc) 2.0 absolute maximum ratings item symbol min typ max unit operating temperature (wide temperature) top -20 - 70 oc storage temperature (wide temperature) tst -25 - 75 oc input voltage vin vss vdd v supply voltage for logic vdd- vss 2.7 - 5.5 v supply voltage for lcd drive vdd- vo 3.7 5.5 v 3.0 electrical characteristics item symbol condition min typ max unit input voltage (high) v ih h level 2.5 - 3.3 v input voltage (low) v il l level 0 - 0.6 v -20oc - 5.5 25oc - 4.5 - recommended lc driving voltage (wide temp) v dd -v o 70oc 3.7 - v power supply current i dd vdd=3.3v, fosc=270khz - 2.0 ma back light vf if=80ma 2.1 2.3 v 4.0 optical characteristics (ta=25oc, vdd= 3.3v 0.25v, stn lc fluid) item symbol condition min typ max unit viewing angle (horizontal) cr 2.0 -60 - 35 deg viewing angle (vertical) cr 2.0 -40 - 40 deg contrast ratio cr =0 , =0 - 6 - response time (rise) tr =0 , =0 - 150 250 ms response time (fall) tf =0 , =0 - 200 300 ms displaytronic xiamen zettler electronics co., ltd.
acm1202k series character module ver2.0 5.block diagram 6.0 pin assignment pin no. symbol function 1 vss ground 2 vdd +3.3v 3 vo lcd contrast adjust 4 rs register select 5 r/w read / write 6 e enable 7 db0 data bit 0 8 db1 data bit 1 9 db2 data bit 2 10 db3 data bit 3 11 db4 data bit 4 12 db5 data bit 5 13 db6 data bit 6 14 db7 data bit 7 15 bl+ power supply for bl+ 16 bl- power supply for bl- displaytronic xiamen zettler electronics co., ltd.
acm1202k series character module ver2.0 7.0 power supply vdd vss vo vdd vr lcm wi t h dc - dc nc +3.3v vr +3.3v vo vss lcm no dc - dc vr = 5 k ~ 1 0k 8.0 timing characteristics write mode(write data from mpu to splc783a) item symbol min. typ. max. unit tes tcondition e cycle time t c 1400 - - ns pin e e pulse width t pw 400 - - ns pin e e rise/fall time t r , t f - - 25 ns pin e address setup time t sp1 60 - - ns pins: rs ,r/w ,e address hold time t hd1 20 - - ns pins: rs ,r/w ,e data set up time t sp2 140 - - ns pins: db0-db7 data hold time t hd2 10 - - ns pins: db0-db7 read mode(read data from splc783a to mpu) item symbol min. typ. max. unit tes tcondition e cycle time t c 1400 - - ns pin e e pulse width t pw 400 - - ns pin e e rise/fall time t r , t f - - 25 ns pin e address setup time t sp1 60 - - ns pins: rs ,r/w ,e address hold time t hd1 20 - - ns pins: rs ,r/w ,e data set up time t sp2 - -360 ns pins: db0-db7 data hold time t hd2 50 - - ns pins: db0-db7 displaytronic xiamen zettler electronics co., ltd.
acm1202k series character module ver2.0 displaytronic v ih 1 v il1 v il1 ih 1 il1 v v v ih 1 v il1 v il1 v ih 1 il1 v v ih 1 il1 v valid data t su t h t w t h t f t r t dsu t dh t c rs r/w e db0~db7 v il1 v ih 1 v il1 fig. a interface timing (data write) v ih1 v il1 v ih1 ih1 il1 v v v ih1 v il1 v ih1 v ih1 il1 v v ih1 il1 v valid data t su t h t w t h t f t r t dsu t dh t c rs r/w e db0~db7 v il1 t d v ih1 il1 v fig. b interface timing (data read) xiamen zettler electronics co., ltd.
acm1202k series character module ver2.0 9.0 mechanical diagram displaytronic power supply for led- data inut/output lines data inut/output lines data inut/output lines data inut/output lines data inut/output lines data inut/output lines data inut/output lines power supply for led+ data inut/output lines enable input read/write selection instruction/data register selection 3.3v 0v function k a db7 db6 db5 db4 db3 db2 db1 db0 e r/w rs vdd vss symbol pin 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 v0 conrast adjust 01 2005.02.23 1/1 ??? lcm-1202k xiamen zettler ele ctronics co.,ltd note:not specified tolerance is 0.2 david xiamen zettler electronics co., ltd.
acm1202k series character module ver2.0 10.0 reliability test evaluations and assessment* test item content current consumption oozing contrast other appearances operation at high temperature 70o c,96hrs twice initial value or less none more than 50% of initial value no abnormality operation at low temperature -20o c,96hrs twice initial value or less none more than 50% of initial value no abnormality high temperature storage 75o c, 96hrs twice initial value or less none more than 50% of initial value no abnormality low temperature storage -25o c , 96hrs twice initial value or less none more than 50% of initial value no abnormality *evaluations and assessment to be made two hours after returning to room temperature (25 o c5o c). *the lcds subjected to the test must not have dew condensation. displaytronic xiamen zettler electronics co., ltd.
acm1202k series character module ver2.0 11.0 display instruction table command r s r/ w db 7 db 6 db 5 db 4 db 3 db 2 db 1 db 0 description executing time fosc=250khz clear display 0 0 0 0 0 0 0 0 0 1 clears display & returns to address 0. 1.64ms cursor at home 0 0 0 0 0 0 0 0 1 x returns cursor to address 0. also returns the display being shifted to the original position. ddram contents remain unchanged. 1.64ms entry mode set 0 0 0 0 0 0 0 1 i/d s i/d: set cursor moving direction i/d=1: increment i/d=0: decrement s: specify shift of display s=1: the display is shifted s=0: the display is not shifted 40s display on/off control 0 0 0 0 0 0 1 d c b display d=1: display on d=0: display off cursor c=1: cursor on c=0: cursor off brink b=1: brink on b=0: brink off 40s cursor / display shift 0 0 0 0 0 1 s/c r/l x x moves cursor or shifts the display w/o changing dd ram contents s/c=0: cursor shift (ram unchanged) s/c=1: display shift (ram unchanged) r/l=1: shift to the right r/l=0: shift to the left 40s function set 0 0 0 0 1 dl n f x x sets data bus length (dl), # of display lines (n), and character fonts (f). dl=1: 8 bits f=0: 5x7 dots dl=0: 4 bits f=1: 5x10 dots n=0: 1 line display n=1: 2 lines display 40s set cg ram address 0 0 0 1 character generator (cg) ram address sets cg ram address. cg ram data is sent and received after this instruction. 40s set dd ram address 0 0 1 display data (dd) ram address / cursor address sets dd ram address. dd ram data is sent and received after this instruction. 40s busy flag / address read 0 1 b f address counter used for both dd & cg ram address reads busy flag (bf) and address counter contents. 40s write data 1 0 write data writes data into ddram or cgram. 46s read data 1 1 read data reads data from ddram or cgram. 46s x: don't care displaytronic xiamen zettler electronics co., ltd.
acm1202k series character module ver2.0 displaytronic xiamen zettler electronics co., ltd. 12.0 standard character patterns note: the character generator ram is the ram with whic h the user can rewrite character patterns by program.

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