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Product description

Product model

Design & development

  • CMS1621C

    CMS1621C is suitable for a variety of LCD applications, including LCD modules and display subsystems.


    Datasheet >

    CMS1621C series MCU is a memory mapping and multi-function LCD driver, working voltage 2.4V-5.5V, GPIO up to 48, built-in two-frequency buzzer, time base generator and watchdog timer, providing Three-wire serial interface, with on-chip LCD drive frequency source, multiple duty cycles and bias voltage options, and a power saving command to reduce system power consumption. Industrial standard design, can work at -25℃ to 85℃, and provide SOP24, SOP28 package.


    Features

    > Multi-function LCD driver

    > Working voltage frequency: 2.4V-5.5V

    > Working temperature: -20℃-85℃

    > Supports built-in RC oscillation mode and external 32KHz chip or 256KHz frequency source input

    > Optional 1/2 or 1 3 Bias voltage and duty cycle of 1/2, 1/3 or 1/4

    > Built-in WDT timer

    > Watchdog timer clock source

    > A 32×4 LCD driver

    > An embedded 32×4 bit display RAM memory

    > Data mode and command mode instructions

    > Software configuration features

    > Three data access modes

    > Provide VLCD pins for adjusting LCD operating voltage

    > Package types: SOP24, SOP28


  • Product model

    Part Number Package Temp Voltage GPIO LCD OSC BUZZER
    CMS1621C SOP24 -25~85 1.8~5.5 28

    32×4

    XT/INTRC 1
    CMS1621C SOP28 -25~85 1.8~5.5 28

    32×4

    XT/INTRC 1

  • Design & development

    Documentation
    Name Version Describe Download
    CMS1621C_E user manual V1.3

    CMS1621C_E modules, chip registers, clocks, storage, etc.

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