Hot sale original electronics HT1623 Integrated Circuits IC RAM Mapping 48x8 LCD Controller for I/O MCU

Product Details

General Description

The HT1621 is a 128 pattern (324), memory mapping, and multi-function LCD driver. The S/W configuration

feature of the HT1621 makes it suitable for multiple LCD applications 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 reduce power consumption.

Features

• Operating voltage: 2.4V~5.2V

• Built-in 256kHz RC oscillator

• External 32.768kHz crystal or 256kHz frequency source input

• Selection of 1/2or1/3 bias, and selection of 1/2 or 1/3 or 1/4 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

• 324 LCD driver

• Built-in 324 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: 44-pin QFP/LQFP package

HT1621B: 48-pin SSOP/LQFP packages

HT1621G: Gold bumped chip

Product Description

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