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Product description

Product model

Design & development

  • CMS80F731x

    CMS80F731x series is enhanced 1T 8051 Flash MCU, the fastest to support 48MHz peripheral operation, 24MHz core operation, is widely used in the Internet of things smart home, new energy, medical electronics, small household appliances, motors, industrial and commercial fields.


    CMS80F731x series MCUs are enhanced 1T 8051 Flash MCUs, which support 48MHz peripheral operation at the fastest, 24MHz core operation, working voltage 2.1V-5.5V, up to 26GPIOs, Built in LCD/LED driver module, supporting touch module，provide 6-channel PWM output, up to 26 channels of 12-bit ADC, 2 UART, 1 SPI, 1 I2C. Industrial standard design, can work at -40℃ to 105℃, and provide SOP20,SOP28 package.


    Features

    > Enhanced 1T 8051

    > Working voltage frequency: 2.1V-5.5V

    > Working temperature: -40℃-105℃

    > Built-in 16KB Flash ROM, 1KB Data Flash, 256B general RAM, 1KB general XRAM

    > Support 4 different oscillation modes

    > Up to 26 general-purpose GPIOs, All support up/down resistance function

    > High Sensitivity Touch，Up to 26 channels

    > Hardware LED Matrix Driver

    > Hardware LED lattice drive

    > up to 26 channels 12-bit ADC, reference voltage optional 1.2V/2.0V/2.4V/3.0V/VDD

    > 5 16-bit timers

    Built-in WDT timer

    Built-in WUT timer

    > Built-in LSE timer, support sleep wake-up function

    > 4 UART

    > 1 SPI

    > 1 I2C

    > 6-channel EPWM, supporting independent/complementary/synchronous/group mode, complementary mode dead-zone delay function

    > built-in low voltage reset function (LVR): 1.8V/2.0V/2.5V /3.5V

    > Built-in low voltage detection function (LVD): 2.0V~4.6V 16 levels optional

    > Support CRC16

    > 96bit unique ID (UID)

    > 封装类型：SOP20/TSSOP20/SOP28/SSOP28


  • 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 Driver LCD LED Touch Encryption Other Interface
    SAR-ADC-unitSAR-ADC-bitSAR-ADC-chSAR-ADC-speed(Msps)DAC-unitDAC-bit
    CMS80F7316 SOP20 48 8051 -40~105 2.1~5.5 Flash 16KB 256B+1KB 1KB / 18 / 5x16 Y / / 2 1 1 / / 6 1 12 18 / / / / / / /

    4×9 8×5 4×4 8×8

    18

    		 / / 315
    CMS80F7316 TSSOP20 48 8051 -40~105 2.1~5.5 Flash 16KB 256B+1KB 1KB / 18 / 5x16 Y / / 2 1 1 / / 6 1 12 18 / / / / / / /

    4×9 8×5 4×4 8×8

    18

    		 / / 315
    CMS80F7318 SOP28 48 8051 -40~105 2.1~5.5 Flash 16KB 256B+1KB 1KB / 26 / 5x16 Y / / 2 1 1 / / 6 1 12 26 / / / / / / /

    4×16 8×12 4×4 8x8

    26

    		 / / 315
    CMS80F7318 SSOP28 48 8051 -40~105 2.1~5.5 Flash 16KB 256B+1KB 1KB / 26 / 5x16 Y / / 2 1 1 / / 6 1 12 26 / / / / / / /

    4×16 8×12 4×4 8x8

    26

    		 / / 315

  • Design & development

    Documentation
    Name Version Describe Download
    Application Notes for CMS 8051 Microcontroller V1.0.12

    Application Notes for CMS 8051 Microcontroller 

    		 Download >
    8051 chip ADC model Application Note V1.01

    ADC model Application Note for CMS 8051 chip

    		 Download >
    8051MCU I2C Application Note V1.0.1

    Cmsemicon 8051MCU I2C Application Note


    		 Download >
    8051MCU LVD Application Note V1.0.0

    Cmsemicon 8051MCU LVD Application Note


    		 Download >
    8051MCU LSE Application Note V1.0.0

    Cmsemicon 8051MCU LSE Application Note


    		 Download >
    CMS80F731x Reference Manual V1.0.5

    MCU modules, chip registers, clocks, storage, performance indicators, etc.

    		 Download >
    CMS80F731x data sheet V1.0.4

    CMS80F731x chip feature, performance indicators, packaging information, etc.

    		 Download >
    CMS80F731x_DemoCode V1.6.3

    Contains the driver and sample program of the CMS80F731x Demo chip module

    		 Download >

    More

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