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  • آی سی HT1621B - LQFP48 SMD

The HT1621 is a 128 pattern (32×4), memory mapping, and multi-function LCD driver. The S/W configuration feature of this makes it suitable for multiple LCD applications including LCD modules and display subsystems. Only three or four lines are required for the interface between the host controller and it. This contains a power down command to reduce power consumption.

Features
    Built-in 256kHz RC oscillator
    External 32.768kHz crystal or 256kHz frequency source input
    Selection of 1/2 or 1/3 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
    32×4 LCD driver
    Built-in 32×4 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 LQFP package
    HT1621B: 48-pin SSOP/LQFP packages
    HT1621G: Gold bumped chip

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آی سی HT1621B - LQFP48 SMD

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