BC1604A feature mechanical data item module dimension viewing area dot size character size standard value unit mm mm mm mm 87.0 x 60.0 62.0 x 26.0 0.55 x 0.55 2.95 x 4.75 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, el b/l 8. option: +3v single power supply 9. option: 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 4.2 220 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 (+)/ negative voltage output power supply for b/l (gnd) vss vdd vo rs r/w e db0~7 a/vee k l e d b / l : 1 3 . 1 e l o r n o b / l : 9 . 5 l e d b / l : 9 . 0 e l o r n o b / l : 5 . 2 1 0 . 0 p 2 . 5 4 * 1 5 = 3 8 . 1 2 . 0 1 6 - ? 1 . 0 2 . 5 2 . 5 1 9 . 6 2 0 . 8 ( a a a a ) 1 7 2 6 . 0 ( v a ) 1 2 . 4 3 5 . 2 6 0 . 0 0 . 5 1 5 6 . 2 ( a a a a ) 1 6 2 . 0 ( v a ) 7 9 . 2 8 7 . 0 0 . 5 2 . 5 2 2 . 5 . 5 1 5 . 0 5 5 . 0 8 2 . 0 1 . 6 4 - ? 2 . 5 p t h - ? 1 . 0 p t h 4 . 7 5 0 . 6 0 . 6 d o t s i z e s c a l e 5 / 1
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