BO LYMIN BG12864A2 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. Option: LED edge RGB 7. Option: +3V single power supply 8. Option: External negative voltage 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 + 5V(+3V option) GND Contrast adjustment Data bus line Chip select for IC1 Chip select for IC2 Reset Data read/write Data/instruction H -> L Enable signal Negative voltage output(-4.8V) Power supply for B/L (+) Power supply for B/L (GND) Power supply for B/L (GND) Power supply for B/L (GND) Vdd Vss Vo DB0~7 CS1 CS2 /RST R/W D/I E Vee A K(R) K(G) K(B) 7.9 10.5 93.0±0.5 88.0 77.2 72.0(VA) 13.24 66.52(AA) Symbol Condition Typical Unit Value Input Voltage Vdd Vdd = +5V 5.0 V Supply Current Idd Vdd = +5V 18 mA LCD Driving 9 Vdd-Vo V 25 oC Voltage Item 13.12(LED B/L) 9.02 13 18.38 9.9 15.0 2.5 Dimension R G 44.00 33.24(AA) 40.0(VA) 50.2 65.0 70.0±0.5 A B 22 8.9 2.5 22-Ø1.0 PTH 1.8 P2.54*21=53.34 88.0 1 2.5 1 2 3 4~11 12 13 14 15 16 17 18 19 20 21 22 Unit mm mm mm mm 4-Ø2.5 PTH 4-Ø6.5 PAD