HT16K33 -- RAM Mapping 16*8 LED Controller Driver with keyscan General Description The HT16K33 is a memory mapping and multi-function LED controller driver. The max. Display segment numbers in the device is 128 patterns (16 segments and 8 commons) with a 13*3 (MAX.) matrix key scan circuit. The software configuration features of the HT16K33 makes it suitable for multiple LED applications including LED modules and display subsystems. The HT16K33 is compatible with most microcontrollers and communicates via a two-line bidirectional I2C-bus. Features Operating voltage: 4.5V~5.5V Integrated RC oscillator I2C-bus interface 16*8 bits RAM for display data storage Max. 16 x 8 patterns, 16 segments and 8 commons R/W address auto increment Max. 13 x 3 matrix key scanning 16-step dimming circuit Selection of 20/24/28-pin SSOP package types 上海辰祥電子 13917885749