BC2402A feature mechanical data item module dimension viewing area dot size character size standard value mm mm mm mm 118.0 x 36.0 94.5 x 16.0 0.6 x 0.65 3.2 x 5.55 dimension bo lymin 1. cob with metal frame 2. 5x7 dots with cursor 3. built-in controller ks0066 or equivalent 4. + 5v single power supply 5. 1/16 duty cycle 6. led b/l pins: 15/16, or a/k, or 1/2 7. option: led array , el b/l 8. option: +3v single power supply 9. o ption: negative voltage ( built-in, external ) input voltage supply current lcd driving voltage led forward voltage led forward current vdd idd vdd-vo vf if vdd = +5v vdd = +5v 25 c 5.0 1.2 4.5 4.2 190 v ma v v ma typical value electronic characteristics o 25 c o 25 c o item symbol condition unit el power voltage vel vel=110vac/400hz v pin assignment pin symbol function 1 2 3 4 5 6 7~14 15 16 gnd +5v(+3v option) contrast adjustment h/l register select signal h/l read/write signal h --> l enable signal h/l data bus line power supply for b/l (+)/ power supply for b/l (gnd) vss vdd vo rs r/w e db0~7 a k 2 . 5 1 1 8 . 0 0 . 5 1 0 2 . 5 8 8 . 3 ( a a a a ) 1 4 - ? 1 . 0 p t h 1 4 - ? 1 . 8 p a d 5 3 6 . 0 0 . 5 3 1 . 0 4 - ? 2 . 5 p t 4 - ? 5 . 0 p a d 1 . 6 3 . 7 3 . 2 0 . 6 5 0 . 6 5 . 9 5 5 . 5 5 0 . 6 5 0 . 7 1 0 5 2 . 5 1 1 3 . 0 9 4 . 5 ( v a ) 1 2 2 5 1 1 5 ( a a a ) 0 . 0 1 6 . 0 ( v a ) 3 . 6 2 8 . 8 1 4 . 5 1 5 . 0 1 0 . 5 2 . 2 5 4 - ? 1 . 0 s c a l e 1 3 . 1 ( l e d b / l ) 9 . 0 ( e l o r n o b / l ) 9 . 0 ( l e d b / l ) 4 . 9 ( e l o r n o b / l ) free datasheet http:///
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