BO LYMIN BG12864E Feature 1. COB with metal frame 2. Built-in controller KS0107/0108 3. +5V single power supply, with built-in negative voltage 4. 1/64 duty cycle 5. LED B/L pins:19/20, or A/K, or 1/2 6. Option: LED edge B/L, EL B/L 7. Option: +3V single power supply 8. Option: negative voltage (built-in, external) Mechanical Data Item Standard Value Module Dimension 75.0 x 52.7 Viewing Area 60.0 x 32.6 Dot Size 0.39 x 0.39 Dot Pitch 0.43 x 0.43 Pin Assignment Pin Symbol 1 2 3 4~11 12 13 14 15 16 17 18 19 20 Vdd GND Vo DB0~7 /CS1 /CS2 /RST R/W D/I E Vee A K Unit mm mm mm mm Electronic Characteristics Function Power supply (+5V) Power supply(GND) Contrast adjustment Data bus line Chip select IC1 Chip select IC2 Reset signal Data read/write Data / instruction Enable signal Negative voltage output Power supply for B/L (+) Power supply for B/L (GND) Symbol Condition Typical Unit Value Input Voltage Vdd Vdd = +5V 5.0 V Supply Current 4.0 Idd mA Vdd = +5V LCD Driving o 8.5 Vdd-Vo V 25 C Voltage LED Forward 3.9 Vf V 25 oC Voltage LED Forward If 100 mA 25 oC Current EL Power Vel Vel=110Vac/400Hz V Voltage Item Dimension 75.0 ± 0.5 70.0 70.6 60.0(VA) 55.0(AA A ) 4.9 25.35 0.43 0.39 25 A 52.7 ± 0.5 49.7 44.6 32.6(VA) 27.48(AA A ) 0.43 0 39 15 20.12 5 0.0 8.4 DOT SIZE SCALE 10/1 10.1 128*64 Dots 13.37 P2.54*19=48.26 37.5 2-Ø2.5 2.5 20-Ø1.0PTH 20-Ø1.8PAD 1.0 LED, EL or NO B/L