BO LYMIN BG12864C 1 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 array/edge B/L, EL B/L Mechanical Data Item Standard Value Module Dimension 78.0 x 70.0 Viewing Area 62.0 x 44.0 Dot Size 0.42 x 0.58 Dot Pitch 0.44 x 0.60 Pin Assignment Pin Symbol Electronic Characteristics Function Chip select for IC1 Chip select for IC2 GND Power supply (+5V) Contrast adjustment Data / instruction Data read/write H -->L Enable signal Data bus line Reset signal Negative voltage output Power supply for B/L (+) f r B/L (GND) Power supply fo 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 480 mA 25 oC Current EL Power Vel Vel=110Vac/400Hz V Voltage Item 78.0± 0.5 74.0 62.0(VA) 56.3(AA A ) 2.54 array led 9.7 edge led 7.5 el/ref 5.1 1 15. 28.0 7.4 P2.54*15=38.1 array led 14.3 edge led 12.1 el/ref 9.7 0.44 0.42 Ø1.0 128X64 4 Dots 0.6 0.58 70.0± 0.5 55.2 44.0(VA) 38.38(AA A ) A 64.92 /CS1 /CS2 Vss Vdd Vo D/I R/W E DB0~7 /RST Vee A K 2.54 1 2 3 4 5 6 7 8 9~16 17 18 19 20 Unit mm mm mm mm K 2.25 5.0 68.0 4-Ø2.5 PTH 4-Ø5.0 PAD 1.6