BO LYMIN BG12864C 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 cvcle 5. Option: LED, EL B/L Mechanical Data Item Standard Value Module Dimension 80.0 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 Power supply (+5V) 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 Symbol Condition Typical Unit Value Input Voltage Vdd Vdd = +5V 5.0 V Supply Current Idd Vdd = +5V 9.7 mA LCD Driving 9.1 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 80.0 ±0.5 72.0(VA) 66.52(AA) 13.6[led] 9.7[EL/ref] 9.0[led] 5.1[EL/ref] 0.52 0.48 0.52 0.48 66.0 70.0 ± 0.5 50.2 40.0(VA) 33.24(AA) 35.0 9.9 15.0 18.38 3.5 6.24 2.0 Vss Vdd Vo D/I R/W E DB0~7 CS1 CS2 /RST Vee A K DOT SIZE 20-Ø1.0 PTH 20 1 39.5 15.37 2.5 1.8 P2.54*19=48.26 74.0 2.5 1 2 3 4 5 6 7~14 15 16 17 18 19 20 Unit mm mm mm mm 4-Ø2.5 PTH 4-Ø4.0 PAD 1.6