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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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