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Product description

Product model

Design & development

  • CMS8S78xx

    CMS8S78xx is an enhanced 1T 8051 Flash MCU, which supports 48MHz internal oscillation at the fastest, 24MHz core operation, working voltage 2.1V-5.5V, up to 26 GPIOs, and supports internal and external clocks.


    Datasheet >

    CMS8S78xx series MCUs provide 4 channels of enhanced PWM output, up to 26 channels of 12-bit ADC, support 1 UART, 1 SPI and 1 I2C, with buzzer driver, rich analog peripherals, which can simplify product peripherals circuit. Industrial standard design, can work at -40℃ to 105℃, and provide SSOP24, SSOP28 packages.


    Features

    > Enhanced 1T 8051

    > Working voltage: 2.1V-5.5V

    > Working temperature: -40℃-105℃

    > Working frequency: Fsys=Fcpu=24MHz

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

    > Support 4 different oscillation modes

    > Up to 26 general-purpose GPIO

    > Support all external port interrupts

    > Support 7 timer interrupts

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

    > 5 16-bit timers

    > Built-in WDT timer

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

    > Built-in WUT (wake-up timer)

    > Support idle and sleep mode

    > 1 UART serial port, The baud rate is up to 1Mb/s

    > 1 SPI, the communication rate is up to 6Mb/s

    > 1 I2C, the communication rate is up to 400Kb/s

    > 4 channels of enhanced PWM, supporting independent and complementary modes, and Programming dead zone delay, mask function and brake 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 buzzer Beeper

    > 96bit unique ID (UID)

    > Package type: SSOP24, 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 LCD LED Touch Encryption Other Interface
    SAR-ADC-unitSAR-ADC-bitSAR-ADC-chSAR-ADC-speed(Msps)DAC-unitDAC-bit
    CMS8S7885 SSOP24 48 8051 -40~105 2.1~5.5 FLASH 16KB 256B+1KB 1KB / 22 / 5x16 Y 1 / 1 1 1 / / 4 1 12 22 / / / / 2 /

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    CMS8S7895 SSOP28 48 8051 -40~105 2.1~5.5 FLASH 16KB 256B+1KB 1KB / 26 / 5x16 Y 1 / 1 1 1 / / 4 1 12 26 / / / / 2 /

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    26seg×26com

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  • Design & development

    Documentation
    Name Version Describe Download
    CMS8S78xx reference manual V1.06

    CMS8S78xx modules, chip registers, clocks, storage, etc.

    Download >
    CMS8S78xx data sheet V1.03

    CMS8S78xx chip feature,performance indicators, packaging information, etc.

    Download >
    CMS8S78xx_DemoCode V1.8

    Contains the driver and sample program of the CMS8S78xx_Demo chip module

    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 >

    More

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