BO LYMIN BG12232A 1 Feature 1. COB with metal frame 2. Built-in internal clock 3. Built-in controller SED1520D0a 4. 1/32 duty cycle 5. + 5V single power supply 6. LED B/L Pins:19/20, or A/K, or 1/2 7. Option: LED, EL B/L 8. Option: +3V single power supply 9. Option: external negative voltage Mechanical Data Item Standard Value Unit mm Module Dimension 84.0 x 44.0 mm Viewing Area 60 x 18 mm Dot Size 0.4 x 0.45 mm Dot Pitch 0.44 x 0.49 Pin Assignment Pin Symbol Function GND 1 Vss +5V(+3V option) 2 Vdd Contrast Adjustment 3 Vo H --> Data L --> Instruction 4 Ao Data Latch For Chip1(S1~S61) E1 5 6 Data Latch For Chip2(S62~S122) E2 7 No Connection NC 8 No Connection NC 9 R/W for 68 series R/W 10~17 18 19 DB0~7 /RES A/Vee 20 K Electronic Characteristics Symbol Condition Typical Unit Value Input Voltage Vdd Vdd = +5V 5.0 V Supply Current Idd Vdd = +5V 1.0 mA LCD Driving 4.5 Vdd-Vo V 25 oC Voltage LED Forward 4.2 Vf V 25 oC Voltage LED Forward If 120 mA 25 oC Current EL Power Vel Vel=110Vac/400Hz V Voltage Item Data bus line Reset(H->L) Power supply for B/L (+)/ Negative voltage output Power supply for B/L (GND) Dimension 9.2(EL or no B/L) 13.2(LED B/L) 1.5 40 2-Ø2.5 9.1(LED B/L) 5.1(EL or no B/L) 0.44 0.4 0.49 0.45 15.0 36.0 44.0 27 18.0 15 64(AA A ) 16.0 9.9 14.5 15 68 P2.54*19=48.26 20-Ø1 0 PTH 18 2.5 84.0 ± 0.5 68.2 60.0(VA) 53.64(AA A ) 7.9 12 0 DOT SIZ SCALE 1 0 PTH 2-R1.25 42.0 2.5 79.0 1.6