Product Descriptions

The HT1621 is a 128 pattern (32 ́4), memory mapping,and  multi-function  LCD  driver.  The  S/W  configurationfeature of the HT1621 makes it suitable for multiple LCDapplications including LCD modules and display sub-systems. Only three or four lines are required for the in-terface  between  the  host  controller  and  the  HT1621.The HT1621 contains a power down command to re-duce power consumption.

Products Features

·Operating voltage: 2.4V~5.2V

·Built-in 256kHz RC oscillator

·External 32.768kHz crystal or 256kHz frequencysource input

·Selection of 1/2or1/3 bias, and selection of 1/2or1/3or1/4 duty LCD applications

·Internal time base frequency sources

·Two selectable buzzer frequencies (2kHz/4kHz)

·Power down command reduces power consumption

·Built-in time base generator and WDT

·Time base or WDT overflow output

·8 kinds of time base/WDT clock sources

·32X4 LCD driver

·Built-in 32X4 bit display RAM

·3-wire serial interface

·Internal LCD driving frequency source

·Software configuration feature

·Data mode and command mode instructions

·R/W address auto increment

·Three data accessing modes

·VLCD pin for adjusting LCD operating voltage

·HT1621: 48-pin SSOP package

HT1621B: 48-pin DIP/SSOP/LQFP package

HT1621D: 28-pin SKDIP package

HT1621G: Gold bumped chip

Specifications

Actual product photos

Payment&Transportation

Official Certificate&Certificate

Multiple product supply

Company office environment

Warehouse Real Shot

Standard packaging

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