BO LYMIN BC1202A Feature 1. COB with metal frame 2. 5x7 dots with cursor 3. Built-in controller KS0066 or equivalent 4. + 5V single power supply 5. 1/16 duty cycle 6. B/L pins: 15, or A/K, or 1/2 7. No Negative Voltage Option Mechanical Data Item Standard Value Module Dimension 55.7 x 32.0 Viewing Area 46.0 x 14.5 Dot Size 0.45 x 0.60 Character Size 2.65 x 5.50 Pin Assignment Pin Symbol 1 Vss 2 Vdd 3 Vo 4 RS 5 R/W 6 E 7~14 DB0~7 15 A Unit mm mm mm mm Electronic Characteristics Function GND +5V Contrast adjustment H/L register select signal H/L read/write signal H --> L enable signal H/L data bus line Power supply for B/L (+) Symbol Condition Typical Unit Value Input Voltage Vdd Vdd = +5V 5.0 V Supply Current Idd Vdd = +5V 1.5 mA LCD Driving 4.4 Vdd-Vo V 25 oC Voltage LED Forward 4.2 Vf V 25 oC Voltage LED Forward 25 oC If mA 40 Current Item Dimension 55.7 ± 0.5 51.3 2.2 3 20 5 9.7max 5.1 0.55 0.45 9.0 30.0 6.20 5.50 0.70 0.60 1.0 8.75 10.15 46.0(VA) 37.85(AA A ) 4.85 8.93 32.0 ± 0.5 24.7 3.65 4-Ø1.0PTH 4-R1.25 18.96 17.78 (P1.27*14) 12.25 31.2 1.5 1 1.5 15-Ø0.7PTH 15-Ø1.0PAD 1.6 LED or NO B/L DOT SIZE SCALE 5/1