me displays specifications for lcd module CCM1620 micro electronics corporation 3375 scott blvd. suite 222 santa clara ca 95054 tel: 408-988-1101 fax: 408-988-7626 email: micro@microelect.com http://www.microelect.com
me me displays CCM1620 16 x 2 lines character features number of characters display font built-in controller input data power supply duty cycle options 16 characters x 2 lines 5 x 8 dots hd44780 or comp 4 bits or 8-bits interface +5 v single power 1/16 duty el/led backlight, tn/stn mechanical parameters module size module size with led backlight viewing area size dot size dot pitch 80.0w x 36.0h x 9.0t mm 80.0w x 36.0h x 13.0t mm 64.5w x 13.8h mm 0.50 x 0.55 mm 0.55 x 0.60 mm absolute maximum item symbol min. max unit power supply for logic vdd -0.3 +7.0 v power supply for lcd drive vlcd vdd-13.5 vdd+0.3 v input voltage vi -0.3 vdd+0.3 v operating temperature ta 0 +50 c storage temperature tstg -10 +70 c electrical characteristics (vdd=5.0v 5%, ta=25c) item symbol conditions min typ max u power supply for logic vdd -- 4.5 -- 5.5 v op. voltage for lcd vdd-vo -- -- 5.0 -- v input ?high? voltage vih -- 2.2 -- vdd v input ?low? voltage vil -- -0.3 -- 0.6 v output ?high? voltage voh - ioh = 0.2ma 2.4 -- -- v output ?low? voltage vol iol = 1.2ma -- -- 0.4 v power supply current idd vdd = 5.0v -- 1.0ma 3.0 ma micro electronics corp http://www.microelect.com
me me displays CCM1620 16 x 2 lines character pin assignment no. symbol level pin description function 1 vss -- ground 0v 2 vdd -- supply voltage for logic 5v 3 vo -- lcd contrast adjust by user 4 rs h/l register select h: data, l: instruction code 5 r/w h/l read / write h: data read, l: data write 6 e h, h l enable enable signal 7 db0 h/l data bit 0 8-bit interface 8 db1 h/l data bit 1 8-bit interface 9 db2 h/l data bit 2 8-bit interface 10 db3 h/l data bit 3 8-bit interface 11 db4 h/l data bit 4 4 or 8-bit interface 12 db5 h/l data bit 5 4 or 8-bit interface 13 db6 h/l data bit 6 4 or 8-bit interface 14 db7 h/l data bit 7 4 or 8-bit interface block diagram micro electronics corp http://www.microelect.com
diagram CCM1620
environmental conditions item operating non-operating remarks min max min max ambient temperature 0 c 50 c -20 c 70 c normal temperature type ( ta) -20 c 70 c -30 c 80 c extended temperature type vibration -- 0.5g -- 2g g=9.8 m/s 2 shock -- 3g -- 50g xyz directions corrosion gas no corrosion gas optical characteristics tn type item symbol condition min typ max unit viewing angle ? 2- ? 1 k=1.4 20 -- -- deg contrast ratio k ? =25 q =0 -- 3 -- -- response time (rise) tr ? =25 q =0 -- 200 250 ms response time (fall) tf ? =25 q =0 -- 200 300 ms stn type item symbol condition min typ max unit viewing angle ? 2- ? 1 k=1.4 40 -- -- deg contrast ratio k ? =25 q =0 3 -- -- -- response time (rise) tr ? =25 q =0 -- 200 300 ms response time (fall) tf ? =25 q =0 -- 250 350 ms micro electronics corp http://www.microelect.com
backlight charasteristics el backlight electrical data parameter description power supply up to max. 230 rms wave shape sinusoidal frequency up to max. 3 khz efficiency h ( dva/ cd) capacity 0.50 nf/cm 2 operating current 160ma optical data parameter description power supply 110v 400hz sinusoidal luminous intensity 69.3 cd/m2 resp 20.4fl emission color gree/blue 500nm x=0.173, y 0=407 homogenity 5% useful life unlimited brightness uniformity (relative humidity <80%) 1000h approx. 80% 5000h approx. 50% micro electronics corp http://www.microelect.com
led backlight characterisitcs low voltage driving (dc) is available without invertor no noise occurrence life : 20k hours item symbol conditions min typ max unit forward voltage vf if=10ma 3.8 4.1 4.4 v reverse voltage vr -- -- -- 10 v forward current if -- -- -- 200 ma reverse current ir vr=10v -- -- 100 ua brightness b 60 -- -- cd/m2 if=100ma ac characteristics (vdd=5v 10%, vss=0v, ta=25 c) write mode (writing data from micom to ks070b) item symbol min max unit enable cycle time t cyce 500 -- ns enable pulse width high level pw eh 220 -- ns enable rise/fall time t er , t ef -- 25 ns address set-up time rs, r/w to e t as 40 -- ns address hold time t ah 10 -- ns data set-up time t dsw 60 -- ns data hold time (writing) t h 10 -- ns data hold time (reading) t dhr 10 -- ns timing characteristics micro electronics corp http://www.microelect.com
control and display command command rs r/w db7 db6 db5 db4 db3 db2 db1 db0 remark display clear l l l l l l l l l h return home l l l l l l l l h x cursor moves to first digit entry mode set l l l l l l l h i/d sh i/d: set cursor move direction h-increase l-decrease sh: specifies shift of display h-display is shifted l-display is not shifted display on/off l l l l l l h d c b d: display (h-on, l-off) c: cursor (h-on, l-off) b: blinking (h-o, l-off) shift l l l l l h s/c r/l x x sc : (h-display shift, l- cursor move) r/l: (h-right shift, l-left shift) set function l l l l h dl n f x x dl: (h-8 bits interface, l-4 bits interface) n: (h-2 line display, l-1 line display) f: (h-5 x 10 dots, l-5 x7 dots) set cg ram address l l l h cg ram address (corresponds to address) cg ram data is sent and received after this setting set dd ram address l l h dd ram address 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 bf: (h-busy, l-ready) -- reads bf: indicates internal operation is being performed. -- read address counter contents write data h l write data write data into dd or cg ram read data h h read data read data from dd or cgram
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