Product Descriptions

HT1622 is a peripheral device specially designed for I/O type C used to expand the display capability. The max. display segment of the device are 256 patterns (328). It also supports serial interface, buzzer sound, Watchdog Timer or time base timer functions. The HT1622 is a memory mapping and multi-function LCD controller. The software configuration feature of the HT1622 make it suitable for multiple LCD applications including LCD modules and display subsystems. Only three lines are required for the interface between the host controller and the HT1622. The HT162X series have many kinds of products that match various applications.

Product Features

Operating voltage: 2.7V~5.2V 

Built-in RC oscillator 

1/4 bias, 1/8 duty, frame frequency is 64Hz 

Max. 328 patterns, 8 commons, 32 segments 

Built-in internal resistor type bias generator 

3-wire serial interface 

8 kinds of time base/WDT selection 

Time base or WDT overflow output 

Built-in LCD display RAM 

R/W address auto increment 

Two selectable buzzer frequencies (2kHz/4kHz) 

Power down command reduces power consumption 

Software configuration feature 

Data mode and Command mode instructions 

Three data accessing modes 

VLCD pin to adjust LCD operating voltage 

Cascade application

Product Photos

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