BO LYMIN BG12232B 1 Feature 1. COB with metal frame, with FFC cable 2. Built-in internal clock 3. Built-in controller SED1520Doa 4. 1/32 duty cycle 5. +3V~+ 5V single power supply 6. Option: LED edge B/L 7. No negative voltage potion Mechanical Data Item Standard Value Module Dimension 65.4 x 28.2 Viewing Area 54.8 x 19.0 Dot Size 0.36 x 0.41 Dot Pitch 0.4 x 0.45 Pin Assignment Pin Symbol 1 2 3 4 5 6 7 8 9~16 17 18 Vdd Vss Vo /RES E1 E2 R/W Ao DB0~ 7 A K Unit mm mm mm mm Electronic Characteristics Function Power supply +3V~+ 5V GND Contrast Adjustment L: RESET Data Latch For chip1 Data Latch For chip2 H: Read L: write H: Data L: instruction Data bus line Power supply B/L (+) Power supply for B/L (GND) Symbol Condition Typical Unit Value Input Voltage Vdd Vdd = +5V 5.0 V Supply Current Idd Vdd = +5V 0.5 mA LCD Driving 4.7 Vdd-Vo V 25 oC Voltage LED Forward 2.1 Vf V 25 oC Voltage LED Forward If 100 mA 25 oC Current Item 65.4±0.5 63.0(LCD outline) 54.8(VA) 5.5 MAX 7.16 LED B/L or NO B/L (WITH HOUSING) .0 0 45 19.5 2.0 28.2±0 26.6(LCD o 19.0(V 2.0 0.4 48.76 1.3 2.0 .84 7.16 1.2 4.1 3.02 2.0 Dimension DOT SIZE SCALE 10/1