BO LYMIN BG12232A Feature 1. COB with metal frame 2. No built-in oscillation, requiring external clock 3. Built-in controller SED1520Daa 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 Module Dimension 84.0 x 44.0 Viewing Area 60 x 18 Dot Size 0.4 x 0.45 Dot Pitch 0.44 x 0.49 Pin Assignment Pin Symbol Function 1 2 3 4 5 6 7 8 9 10~17 18 19 Vss Vdd Vo Ao /CS1 /CS2 CL /RD/E /WR,R/W DB0~7 /RES A/Vee 20 K Unit mm mm mm mm Electronic Characteristics GND +5V(+3V option) Contrast Adjustment H --> Data L --> Instruction L --> Chip1 enable L --> Chip 2 enable External clock 2KHZ RD for 80 serial; /E for 68 serial WR for 80 serial; R/W for 68 serial Data bus line L: 80 series, H: 68 series Power supply for B/L (+)/ Negative voltage output Power supply for B/L (GND) 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 Dime sion 84.0 ± 0.5 68.2 60.0(VA) 53.64(AA A ) 2-Ø2.5 9.1(LED B/L) 5.1(EL or no B/L) K 0.49 0.45 Ø1.0 PTH 2-R1.25 42.0 79.0 0.44 0.4 DOT SIZE SCALE 10 15.0 36.0 44.0 27 18.0 15.64(AA A ) A 2.5 9.2(EL or no B/L) 13.2(LED B/L) 1.5 40 16.0 9.9 14.5 15 68 P2.54*19=48.26 20 Ø1 0 PTH 18 2.5 7.9 1.6