mLCM LCM with Multi-Interface Features ․MulƟ-interface : I2C/SPI/RS232 (USB opƟonal) ․COB with metal frame ․5x7 dots with cursor ․Built-in controller ST7066 or equivalent ․1/16 duty cycle ․Backlight : LED EDGE/ARRAY ․5V single power supply ․Contrast/Backlight adjustment by program ․RoHS Compliant Specifications BC1601AI BC1602AI BC2002AI Model BC1601AI Characters x Lines 16x1 Module Size(mm) 86.0 x 36.0 View Area(mm) 66.0 x 16.0 Dot Size(mm) 0.55 x 0.75 Character Size(mm) 3.07 x 6.56 Controller ST7066 Backlight LED Interface I2C/SPI/RS232 USB Connector OpƟonal Duty Cycle 1/16 Power (Volt) 5 BC1602EI BC1604AI BC1602EI Model 16x2 Characters x Lines 123.0 x 44.0 Module Size(mm) 99.0 x 24.0 View Area(mm) Dot Size(mm) 0.92 x 1.1 Character Size(mm) 4.8 x 9.66 Controller ST7066 Backlight LED Interface I2C/SPI/RS232 USB Connector OpƟonal Duty Cycle 1/16 Power (Volt) 5 BC1602AI 16x2 87.5 x 36.0 66.0 x 16.0 0.56 x 0.56 2.96 x 5.56 ST7066 LED I2C/SPI/RS232 OpƟonal 1/16 5 BC2004AI BC1604AI 16 x 4 87.0 x 60.0 62.0 x 26.0 0.55 x 0.55 2.95 x 4.75 ST7066 LED I2C/SPI/RS232 OpƟonal 1/16 5 BC2002BI BC2002AI 20x2 116.0 x 37.0 85.0 x 18.6 0.60 x 0.65 3.2 x 5.55 ST7066 LED I2C/SPI/RS232 N/A 1/16 5 BC4002AI BC2002BI 20x2 180.0 x 40.0 149.0 x 23.0 1.12 x 1.12 6.0 x 9.66 ST7066 LED I2C/SPI/RS232 OpƟonal 1/16 5 BC2402AI BC2004AI 20x4 98.0 x 60.0 77.0 x 25.2 0.55 x 0.55 2.95 x 4.75 ST7066 LED I2C/SPI/RS232 OpƟonal 1/16 5 BC4002AI 40x2 182.0 x 33.5 154.4 x 16.5 0.60 x 0.65 3.2 x 5.55 ST7066 LED I2C/SPI/RS232 N/A 1/16 5 BC4004AI BC2402AI BC4004AI 24x2 40x4 118.0 x 36.0 190.0 x 54.0 94.5 x16.0 147.0 x29.5 0.6 x 0.65 0.5 x 0.55 3.2 x 5.55 2.78 x 4.89 ST7066 ST7066 LED LED I2C/SPI/RS232 I2C/SPI/RS232 OpƟonal OpƟonal 1/16 1/16 5 5 Pin Assignment Function Pin Symbol 1 TX RS-232 level output port 2 RX RS-232 level input port 3 VSS Ground 4 VDD System power supply input 5 SDA I²C: Data input/output for the I²C SPI: Serial data input 6 SCL I²C: Clock input for I²C SPI:Serial clock input 7 SDO SPI: Serial data output 8 /CS SPI: Chip select LCM VS. mLCM LCM mLCM SPI RS RW HOST CS Programmer HOST LCM mLCM RS232 Programmer DB0~DB7 USB to RS232 (option) Parallel Interface Multi-Serial Interface Features Host CommunicaƟon Interface LCM parallel Control Pin Numbers 4 or 8 data pins + 3 control pins Contrast Adjustment Backlight Adjustment IniƟal Code by variable resistor by A/K pins sent from host device mLCM serial I²C : 2 I/O pins RS232 : 2 I/O pins SPI : 4 I/O pins soŌware controlled soŌware controlled built-in Bolymin Inc. 5F, 38 Keya Rd. , Daya Dist., Central Taiwan Science Park, Taichung City, 42881, Taiwan Tel: +886-4-2565-8689 Fax: +886-4-2565-8698 http://www.bolymin.com.tw SEP. 2014 VER: 04