HT16C21

www.DataSheet.co.kr HT16C21 RAM Mapping 20*4 / 16*8 LCD Driver Controller Feature ●● Operating voltage: 2.4 ~ 5.5V ●● Internal 32kHz RC oscillator ●● Bias: 1/3 or 1/4; Duty: 1/4 or 1/8 ●● Internal LCD bias generation with voltagefollower buffers ●● I2C interface ●● Two selectable LCD frame frequencies: 80Hz or 160Hz ●● Up to 16 x 8 bits RAM for display data storage ●● Display patterns: ––20 x 4 patterns: 20 segments and 4 commons ––16 x 8 patterns: 16 segments and 8 commons ●● Versatile blinking modes ●● R/W address auto increment ●● Internal 16-step voltage adjustment to adjust LCD operating voltage ●● Low power consumption ●● Provides VLCD pin to adjust LCD operating voltage ●● Manufactured in silicon gate CMOS process ●● Package Type: 20/24/28 SOP, 16 NSOP and Chip. Applications ●● Electronic meter ●● Water meter ●● Gas meter ●● Heat energy meter ●● Household appliance ●● Games ●● Telephone ●● Consumer electronics General Description The HT16C21 device is a memory mapping and multi-function LCD controller/driver. The display segments of the device are 80 patterns (20 segments and 4 commons) or 128 patterns (16 segments and 8 commons). The software configuration feature of the HT16C21 device makes it suitable for multiple LCD applications including LCD modules and display subsystems. The HT16C21 device communicates with most microprocessors/microcontrollers via a two-line bidirectional I2C interface. Rev. 1.00 1 November 22, 2011 Datasheet pdf - http://www.DataSheet4...