22 LCD Display for Three Phase Electronic Meter HT16C23 Characteristics VDD = 4.7V ( Full Range : 2.4V ~ 5.5V ) VLCD = 4.7V ( Full Range : 2.4V ~ 5.5V ) I2C-bus Interface Two Selectable LCD Frame Frequencies : 80Hz or 160Hz Display Dot : 40 Segments 8 Commons ( Maximum : 55 Segments 4 Commons or 51 Segments 8 Commons ) Internal 16-step LCD Operating Voltage Adjustment Only a Few Components Required for the External Circuit Package Type : 64-pin LQFP MCU Interface HT16C23 Application Areas Application Circuit Top Board Bottom Board