BO LYMIN BG12864A Feature 1. COB with metal frame 2. Built-in controller KS107/108 3. +5V single power supply, with built-in negative voltage 4. 1/64 duty cycle 5. Option: Temperature compensation circuit 6. LED B/L Pins: 19/20, or A/K , or 1/2 7. Option: LED array/edge B/L, EL B/L 8. Option: +3V single power supply 9. Option: negative voltage (built-in, external) Mechanical Data Item Standard Value Module Dimension 93.0 x 70.0 Viewing Area 72.0 x 40.0 Dot Size 0.48 x 0.48 Dot Pitch 0.52 x 0.52 Pin Assignment Pin Symbol Electronic Characteristics Function GND + 5V(+3V option) Contrast adjustment Data/instruction Data read/write H -> L Enable signal Data bus line Chip select for IC1 Chip select for IC2 Reset Negative voltage output Power supply for B/L (+) Power supply for B/L (GND) Dimension 10.5 13.24 93.0 ± 0.5 77.2 72.0(VA) 66.52(AA A ) Symbol Condition Typical Unit Value Input Voltage Vdd Vdd = +5V 5.0 V Supply Current Idd Vdd = +5V 9.7 mA LCD Driving 9 Vdd-Vo V 25 oC Voltage LED Forward 4.2 Vf V 25 oC Voltage LED Forward If 330 mA 25 oC Current EL Power Vel Vel=110Vac/400Hz V Voltage Item 9.2(EL or No B/L) 13.1(LED B/L) 1.5 2.5 Vss Vdd Vo D/I R/W E DB0~7 CS1 CS2 /RST Vee A K 9.0(LED B/L) 0.52 0.48 128*64 DOTS 0 52 70.0 ± 0.5 50.2 40.0(VA) 33.24(AA A ) 6 28.0 5.1(EL or No B/L) 14.0 65.0 1 2 3 4 5 6 7~14 15 16 17 18 19 20 Unit mm mm mm mm DOT SIZE SCALE 10/1 4-Ø Ø1.0 PTH 1 2.5 Ø1.0 PTH 2.5 Ø2.5 PTH -Ø6.5 PAD 1.6