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| www..com BO LYMIN BG12864B Feature 1. COB with metal frame 2. Built-in controller ST7920 (128x64 dots matrix mode or 16x16 dots Big5/GB Chinese mode , or 8x16 dots ASCII mode) 3. +5V single power supply 4. 1/32 duty cycle 5. Option: +3V single power supply 6. Option: LED array/edge B/L, EL B/L 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 1 2 3 4 5 6 7~14 15 16 17 18 Vss Vdd Vo RS R/W E DB0~7 A K /RST Vee Unit mm mm mm mm Electronic Characteristics Function GND + 5V(+3V option) Contrast adjustment Register selection signal Data read/write H -> L Enable signal Data bus line Power supply for B/L (+) Power supply for B/L (GND) Reset LCD module Negative voltage output +7.5V Symbol Condition Typical Unit Value Input Voltage Vdd Vdd = +5V 5.0 V Supply Current Idd Vdd = +5V 9.7 mA LCD Driving 6.0 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 Dimension 7.0 10.5 13.24 9.9 15.0 18.38 2.5 93.0 0.5 80.0 72.0(VA) 66.52(AA) 1.5 9.7(EL or No B/L) 13.6(LED B/L) 9.0(LED B/L) 5.1(EL or No B/L) 70.0 0.5 50.2 40.0(VA) 33.24(AA) 14.0 65.0 K 5.08 0.52 0.48 DOT SIZE SCALE 10/1 1.6 A 4-O1.0 PTH 18 18-O1.0 PTH 1.8 P2.54*17=43.18 88.0 1 4-O2.5 PTH 4-O6.5 PAD 2.5 2.5 19.08 32.46 28.0 0.52 0.48 |
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