displaytronic a division of ze xiamen co., ltd. specifications for liquid crystal display part number: acm 1602s series date: august 9, 1999
ACM1602S series character module ver1.0 displaytronic a division of ze xiamen 1 1.0 mechanical specs 1. overall module size 122.0mm(w) x 44.0mm(h) x max 13.5mm(d) for led backlight version 122.0mm(w) x 44.0mm(h) x max 9.5mm(d) for reflective version 2. dot size 1.05mm(w) x 1.20mm(h) 3. dot pitch 1.10mm(w) x 1.25mm(h) 4. duty 1/16 5. controller ic ks0066 6. lc fluid options tn, stn 7. polarizer options reflective, transflective, transmissive 8. backlight options led 9. temperature range options standard (0oc ~ 50oc), wide (-20oc ~ 70oc) 2.0 absolute maximum ratings item symbol min typ max unit operating temperature (standard) top 0 - 50 oc storage temperature (standard) tst -10 - 60 oc operating temperature (wide temperature) top -20 - 70 oc storage temperature (wide temperature) tst -30 - 80 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 3.0 4.6 6.5 v 3.0 electrical characteristics item symbol condition min typ max unit input voltage (high) vih h level 2.2 - vdd v input voltage (low) vil l level 0 - 0.6 v 0oc - 4.8 5.4 25oc 4.2 4.6 - recommended lc driving voltage (standard temp) vdd - vo 50oc 3.9 4.3 - v -20oc - 6.4 7.2 0oc - 4.8 - 50oc - 4.3 - recommended lc driving voltage (wide temp) vdd -vo 70oc 3.6 4.1 - v power supply current idd vdd=5.0v, fosc=270khz - 0.8 1.8 ma led power supply voltage vfled r=6.8 - 4.2 4.4 v led power supply current ifled r=6.8 - 120 480 ma
ACM1602S series character module ver1.0 displaytronic a division of ze xiamen 2 4.0 optical characteristics (ta=25oc, vdd= 5.0v 0.25v, tn lc fluid) item symbol condition min typ max unit viewing angle (horizontal) cr 4.0 -25 - - deg viewing angle (vertical) cr 4.0 -30 - 30 deg contrast ratio cr =0 , =0 - 2 - response time (rise) tr =0 , =0 - 120 150 ms response time (fall) tf =0 , =0 - 120 150 ms 4.1 optical characteristics (ta=25oc, vdd= 5.0v 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 - 150 250 ms 5.0 block diagram lcd 16 x 2 u2 u1 seg1- 40 seg41- 80 seg 1 seg 80 com 16 8 led backlight 1. vss 2. vdd 3. vo 4. rs 5. r/w 6. e 7. db0 14. db7 ~ +/a bl+ -/k bl- 40 40 16 com 1 com16
ACM1602S series character module ver1.0 displaytronic a division of ze xiamen 3 6.0 pin assignment 7.0 power supply pin no. symbol function 1 vss ground 2 vdd +5v 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 +/a bl+ power supply for bl+ -/k bl- power supply for bl- 8.0 timing characteristics item symbol test condition min. typ. max. unit enable cycle time t c fig. a, fig. b 500 - - ns enable pulse width t w fig. a, fig. b 220 - - ns enable rise/fall time t r , t f fig. a, fig. b - - 25 ns rs, r/w set up time t su fig. a, fig. b 40 - - ns rs, r/w hold time t h fig. a, fig. b 10 - - ns data delay time t d fig. b - - 120 ns data set up time t dsu fig. a 60 - - ns data hold time t dh fig. a, fig. b 20 - - ns vss vo vd d vr +5v s tandard temp range vss vo vd d vr +5v w ide temp range -5v vr = 10k ~ 20k
ACM1602S series character module ver1.0 displaytronic a division of ze xiamen 4 v ih1 v il1 v il1 ih1 il1 v v v ih1 v il1 v il1 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 v ih1 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)
ACM1602S series character module ver1.0 displaytronic a division of ze xiamen 5 9.0 mechanical diagram
ACM1602S series character module ver1.0 displaytronic a division of ze xiamen 6 10.0 reliability test evaluations and assessment* storage condition content current consumption oozing contrast other appearances operation at high temperature and humidity 40 o c,90% rh,240hrs twice initial value or less none more than 80% of initial value no abnormality high temperature storage 60 o c, 240hrs twice initial value or less none more than 80% of initial value no abnormality low temperature storage -20 o c , 240hrs twice initial value or less more than 80% of initial value no abnormality *evaluations and assessment to be made two hours after returning to room temperature (25 o c5oc). *the lcds subjected to the test must not have dew condensation.
ACM1602S series character module ver1.0 displaytronic a division of ze xiamen 7 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.
ACM1602S series character module ver1.0 displaytronic a division of ze xiamen 8 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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