BO LYMIN BO9864B Feature 1. FSTN Transflective LCD, COG package 2. Built-in driver ST7548i, serial I2C data bus 3. 1/64 duty cycle 4. +3V power supply 5. With FPC and ZIF connector 6. Option: EL Backlight, LED Backlight Mechanical Data Item LCD Dimension Viewing Area Dot Size Dot Pitch Standard Value 34.0 x 34.0 31.0 x 22.5 0.26 x 0.31 0.28 x 0.33 Unit mm mm mm mm Pin Assignment Pin Symbol Function 1 LCD power supply Vlcd Logic power GND 2 Vss1 Logic power GND 3 Vss2 I2C bus serial clock signal input 4 SCL I2C bus data line SDA 5 Device reset signal RES 6 7 Logic power V+ Vdd2 8 Logic power V+ Vdd1 Electronic Characteristics Symbol Condition Typical Unit Value Input Voltage Vdd Vdd = +3V 3.0 V Supply Current Idd Vdd = +3V 0.2 mA LCD Driving 11.9 V Vlcd-Vss 25 oC Voltage Item Dimension 34.0²0.3LCD 3.29 27.42(AA) 1.65 2*0.55=1.1 8.75 25.0 98*64 Dots 0.28 0.26 3.5²0.5 6.7 29²0.5 0.33 ST7548 R5.0 17.5 1 28.0 P0.5x7=3.5 4.5²0.1 0.31 8.0max 10.0 22.5Min(V.A) 10.7 21.1(AA) 8.0 63.0²0.6 34.0 26.0 0.8max 25.0 1.5 31.0²0.3(VA) A Block Contact side 8 0.3²0.05 Conduct side