BC2002C feature mechanical data item module dimension viewing area dot size character size standard value unit mm mm mm mm 146.0 x 43.0 134.0 x 23.0 0.92 x 1.1 4.84 x 9.22 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 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 1.7 4.5 4.2 300 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
|
