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az displays, inc. complete lcd solutions specifications for liquid crystal display part number: agm 1232g series date: april 26, 2001
agm12 32 g series graphic module az displays, inc. 04/26/01 1 1.0 mechanical specs 1. item description 2. overall module size 84.0 mm(w) x 44.0 mm(h) x max 13.0 mm(d) for led backlight version 84.0 mm(w) x 44.0 mm(h) x max 9.0 mm(d) for reflective version 3. dot size 0.40 mm(w) x 0.45 mm(h) 4. dot pitch 0.44 mm(w) x 0.49 mm(h) 5. duty 1/32 6. controller ic sed1520foa/doa 7. lc fluid options stn, fstn 8. polarizer options reflective, transflective, transmissive 9. backlight options led 10. 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 -20 - 70 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 -0.3 - 7.0 v supply voltage for lcd drive vdd- vo 5.0 6 .5 9.5 v
agm12 32 g series graphic module az displays, inc. 04/26/01 2 3.0 electrical characteristics item symbol condition min typ max unit input voltage (high) vih h level 3.5 - vdd v input voltage (low) vil l level 0 - 1.5 v 0oc - 7.8 10.0 25oc - 6.5 - recommended lc driving voltage (standard temp) vdd - vo 50oc 4.3 5.5 - v -20oc - 8.5 10.8 0oc - 7.8 - 50oc 4.3 5.5 - recommended lc driving voltage (wide temp) vdd -vo 70oc 3.5 4.8 - v power supply current idd vdd=5.0v - - 13.0 ma led power supply voltage vfled r=6.8 w - 4.4 5.0 v led power supply current ifled r=6.8 w - 300 420 ma
agm1232g series graphic module az displays, inc. 04/26/01 3 4.0 optical characteristics cr (contrast ratio) (viewing angle) (viewing angle) 25 c 25 c 25 c item mode min. typ. min typ. min typ. a 2.8 3.05 80 85 -35 b 7.10 7.70 80 85 -35 r c------ a 2.49 2.99 80 85 -35 b 7.05 7.55 80 85 -35 s c------ note: r: reflective s: transflective a: stn gray b: stn yellow c: fstn at: =0 , =0 item symbol condition min typ max unit response time (rise) tr 25 c - 80 160 ms response time (fall) tf 25 c - 50 100 ms
agm1232g series graphic module az displays, inc. 04/26/01 4 5.0 block diagram lcd 122x32 u2 u1 seg1- 61 seg 1 com 17-32 8 led backlight 1. vss 2. vdd 3. vo 4. a0 9. r/w 5. e1 10. db0 17. db7 ~ +/a bl+ -/k bl- 61 com 1-16 com 1 com 16 seg62- 122 seg62- 122 com 17 com 32 seg 122 seg 61 seg 62 6. e2 ck fr 61 20 19
agm1232g series graphic module az displays, inc. 04/26/01 5 6.0 pin assignment pin no. symbol function level 1 vss ground - 2 vdd power supply for logic circuit - 3vo power supply for lcd driving - 4 a0 instruction/data h/l 5e1 enable for ic1 h/l 6e2 enable for ic2 h/l 7nc 8nc 9 r/w h: data read l: data write h/l 10 db0 data bit 0 h/l 11 db1 data bit 1 h/l 12 db2 data bit 2 h/l 13 db3 data bit 3 h/l 14 db4 data bit 4 h/l 15 db5 data bit 5 h/l 16 db6 data bit 6 h/l 17 db7 data bit 7 h/l 18 res display reset on active "low" 19 bl- power supply for bl+ - 20 bl+ power supply for bl- - h/l
agm12 32 g series graphic module az displays, inc. 04/26/01 6 7.0 p ower supply 8.0 timing characteristics item symbol test condition min. typ. max. unit system cycle time t cyc6 fig. a, fig. b 1000 - - ns address setup time t aw6 fig. a, fig. b 20 - - ns address hold time t ah6 fig. a, fig. b 10 - - ns data hold time t dh6 fig. a 10 - - ns data setup time t ds6 fig. a 80 - - ns output disable time t oh6 10 - 60 ns access time t acc6 c l =100 pf - - 90 read 100 enable pulse width write t ew 80 rise and fall time t r, t f fig. a, fig. b - - 15 ns
agm12 32 g series graphic module az displays, inc. 04/26/01 7 v ih1 v il1 v ih1 il1 v v ih1 il1 v valid data t h r/w e db0~db7 v ih1 v il1 a0,cs il1 ih1 v v v ih1 t v il1 cyc6 ew t t r t f t aw6 t acc6 t oh6 t ah6 t fig. a interface timing (data read) valid data cyc6 ew ds6 db0~db7 il1 v a0,cs r/w e aw6 il1 ih1 v v ih1 il1 v v t ih1 v r t t t t il1 v ah6 dh6 t v ih1 v il1 v ih1 t f t v ih1 v il1 fig. b interface timing (data write)
agm12 32 g series graphic module az displays, inc. 04/26/01 8 9.0 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 c5 o c). *the lcds subjected to the test must not have dew condensation.
agm1232g series graphic module az displays, inc. 04/26/01 9 10.0 mechanical diagram
agm12 32 g series graphic module az displays, inc. 04/26/01 10 11.0 relation between display pattern and drivers
agm1232g series graphic module az displays, inc. 04/26/01 11 12.0 display control instruction the display control instructions control the internal state of the sed1520doa/foa. instructions are received from mpu to sed1520doa/foa for the display control. instruction a0 r/w db7 db6 db5 db4 db3 db2 db1 db0 description display on/off 0 0 1 0 1 0 1 1 1 1/0 turns display on or off. 0: off. 1:on set page address 0 0 1 0 1 1 1 0 page (0~3) sets display ram page in page address register set column (segment address) 0 0 0 column address (0~79) sets display ram column address in column address register display start line 0 0 1 1 0 display start line (0~31) indicates the display data ram displayed at the top of the screen. status read 0 1 busy adc on/off reset 00 0 0 reads the following status: busy 0: ready 1: busy adc 1: cw output 0: ccw output on/off 0: di splay on 1: di splay off reset 0: normal 1: being reset write display data 1 0 write data writes data db0~db7 from bus into display data ram. read display data 1 1 read data reads data db0~db7 from display data ram onto the data bus. select adc 0 010100000/10: cw output,1: ccw output static drive on/off 0 010100100/1 1: static drive, 0: normal driving select duty 0 010101000/1 select lcd duty cycle 1:1/32, 0: 1/16 read-modify-write 0 011100000 read-modify-write on end 0 011101110 read-modify-write off reset 0 011100010 software reset

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