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HT16C21 - LCD Driver Controller

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).

Key Features

  • ly sampled but not 100% tested. Rev. 1.00 7 November 22, 2011 Datasheet pdf - ht.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
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.