BO LYMIN BC2002A20 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. RS232 interface 7. Option: I2C interface 8. Option: LED,EL backlight Mechanical Data Item Standard Value Module Dimension 116.0 x 37.0 85.0 x 18.6 Viewing Area 0.6 x 0.65 Dot Size 3.2 x 5.55 Character Size Unit mm mm mm mm Pin Assignment RS232 Pin Symbol Function 1 Data Out Data out from LCM 2 Data from user Data In 3 Ground GND Electronic Characteristics Symbol Condition Typical Unit Value Input Voltage Vdd Vdd = +5V 5.0 V Supply Current Idd Vdd = +5V 20.0 mA LCD Driving 5.0 Vdd-Vo V 25 oC Voltage LED Forward 4.2 Vf V 25 oC Voltage LED Forward 25 oC If 210 mA Current EL Power Vel Vel=110Vac/400Hz V Voltage Item Pin Assignment PORT2 Pin Symbol Function 5V input for LCM 1 5V 2 I2C clock I2C interface clock input 3 I2C data I2C interface data input GND for LCM 4 GND Dimension 116.0±0.5 9.0 (EL or No B/L) 13.4(LED B/L) 2.5 93.0 85.0(VA) 73.5(AA) 4.0 2.9 9.2 12.75 12.5 16.5 22.25 9.3 (LED B/L) 15 4-Ø3.5 PTH 4-Ø5.5 PAD 4-Ø1.0 PTH 1.6 0.4 108.0 0.7 0.65 K 1 5.55 2 59.0 4.0 3.2 0.65 0.6 A 7.0 15.0 29.0 31.2 18.6(VA) 11.5(AA) 37.0±0.5 16 15.0 11.0 4.9 (EL or No B/L) DOT SIZE SCALE 5/1 VIEW "AA" RS232 PORT 0.5