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Product description

Product model

Design & development

Solution

  • CMS89F22x5B

    CMS89F22x5B series of MCUs, all IOs support 1/2Bias COM output, high-precision ADC analog-to-digital conversion, high reliability, with level change wake-up function, widely used in electric car meter, kitchen and bathroom appliances, household appliances, personal care, etc. field.


    Datasheet >

    CMS89F22x5B series MCU is Cmsemicon's independent 8-bit RISC core MCU. Operating voltage 2.5V to 5.5V; provide 4Kx16 Flash, 344x8 RAM, 64x8 Data EE, high-precision ADC, LCD driver, PWM, and provide SOP16/SOP20/DIP20 package.


    Features

    > RISC core

    > Operating voltage: 3.0V-5.5V @8MHz 2.5V-5.5V @4MHz

    > Operating temperature: -40℃-85℃

    > 4Kx16 Flash

    > 344x8 RAM

    > Built-in 64-byte data EEPROM, can be repeatedly erased and written to 100 Ten thousand times

    > 3 general-purpose timers

    > 3 timer interrupts

    > high-precision 12-bit ADC

    > 2 channels PWM sharing cycle, independent duty cycle

    > Built-in WDT timer

    > Built-in LCD1/2 Bias COM driver module all I/O ports are Can be used as 1/2 Bias COM output COM port drive current optional

    > Support 2 kinds of oscillation modes

    > Package type: SOP16, SOP20 and DIP20

                       


  • Product model

    Part Number Package Frequency (MHz) Core Temp Voltage Memory Type ROM RAM Data Flash EEPROM GPIO DMA Timer LSE WDT/WWDT RTC UART I2C SPI CAN LIN PWM/EPWM SAR-ADC SAR-ADC-bit SAR-ADC-ch SAR-ADC-speed(Msps) DAC DAC-bit OPA COMP PGA LCD LED Touch Encryption Other Interface
    SAR-ADC-unitSAR-ADC-bitSAR-ADC-chSAR-ADC-speed(Msps)DAC-unitDAC-bit
    CMS89F2235B SOP16 8 RISC -40~85 2.5~5.5 Flash 4K×16 344B / 64×8 14 / 3 / 1 / / / / / / 2 1 12 14 / / / / / /

    1/2 Bias

    /

    		 / / /
    CMS89F2265B DIP20 8 RISC -40~85 2.5~5.5 Flash 4K×16 344B / 64×8 18 / 3 / 1 / / / / / / 2 1 12 18 / / / / / /

    1/2 Bias

    /

    		 / / /

  • Design & development

    Documentation
    Name Version Describe Download
    CMS89F22x5B user manual V1.5.1

    CMS89F22x5B chip feature，performance indicators, packaging information, etc.

    		 Download >
    CMS89F22X5B_DemoCode V1.0.0 Contains the driver and sample program of the CMS89F22X5B chip module

     

    		 Download >

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