HT16L23 Datasheet, PDF (1/43 Pages) Holtek Semiconductor Inc – RAM Mapping 52*4 / 48*8 LCD Driver

HT16L23
RAM Mapping 52*4 / 48*8 LCD Driver
Feature
●● Logic operating voltage: 1.8V~5.5V
●● LCD operating voltage (VLCD): 2.4V~6.0V
●● Internal 32kHz RC oscillator
●● Bias: 1/3 or 1/4; Duty: 1/4 or 1/8
●● Internal LCD bias generation with voltage-follower
buffers
●● External VLCD pin to supply LCD operating
voltage
●● Integrated regulator to adjust LCD operating
voltage: 3.0V, 3.2V, 3.3V, 3.4V, 4.4V, 4.5V, 4.6V,
5.0V
●● Integrated LED driver
●● Support I²C or SPI 3-wire serial interface
controlled by IFS pin
●● Four selectable LCD frame frequencies: 64Hz or
85.3Hz or 128Hz or 170.6Hz
●● Up to 48×8 bits RAM for display data storage
●● Display pixel:
––52×4 pixel: 52 segments and 4 commons
––48×8 pixel: 48 segments and 8 commons
●● Support two driver output mode segment/LED on
SEG44~SEG51/LED7~LED0
●● Versatile blinking modes: off, 0.5Hz, 1Hz, 2Hz
●● R/W address auto increment
●● Low power consumption
●● Manufactured in silicon gate CMOS process
●● Package type: 64LQFP package
Applications
●● Leisure products
●● Games
●● Telephone display
●● Audio combo display
●● Video player display
●● Kitchen appliance display
●● Measurement equipment display
●● Household appliance
●● Consumer electronics
General Description
The HT16L23 device is a memory mapping and
multi-function LCD controller/driver. The display
segments of the device are 208 patterns (52 segments
and 4 commons) for 1/4 duty display or 384 patterns
(48 segments and 8 commons) for 1/8 duty display.
It can also support LED drive outputs on certain
segment pins. The software configuration feature of
the HT16L23 device makes it suitable for multiple
LCD applications including LCD modules and display
subsystems. The HT16L23 device communicates with
most microprocessors/microcontrollers via a two-wire
bidirectional I²C or a three-wire SPI interface.
Rev. 1.00
1
November 16, 2011