41 LCD Display for Blu-Ray Disc Player HT16L21 Characteristics VDD = 2.5V ( Full Range : 1.8V ~ 5.5V ) VLCD = 5.0V ( Full Range : 2.4V ~ 5.5V ) 4 LED Drivers ( Maximum : 8 LED Drivers ) Used I2C Interface ( HT16L21 Support I2C and SPI 3-wire Serial Interface Controlled by IFS Pin ) Display Dots : 26 Segments 4 Commons ( Maximum : 32 Segments 4 Commons ) Package Types : 44-pin LQFP MCU Interface HT16L21 Application Areas Application Circuit I2C Interface, 4 Commons with 4 LED Outputs Top Board Bottom Board