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Product description

Product model

Design & development

  • CMS79F72x

    CMS79F72x is a Cmsemicon enhanced flash memory 8-bit CMOS microcontroller, operating voltage 1.8V~5.5V, providing 8Kx16 FLASH, 256x8 RAM, 128x8 Pro EE, built-in touch dedicated 240x8 RAM, built-in touch button detection module.


    Datasheet >

    CMS79F72x MCU supports internal high-precision RC oscillator 8/16MHz, built-in 2 8-bit timers and 1 16-bit timer, high-precision 12-bit ADC, with PWM, comparison and capture functions, built-in 1 USART module, provide SOP16 , SOP20, TSSOP20 package; widely used in touch-related fields.


    Features

    > 8-bit CMOS MCU

    > FLASH: 8Kx16

    > General RAM: 256x8

    > Operating voltage range:

    2.6V-5.5V@16MHz

    1.8V-5.5V@8MHz

    > Operating temperature range: -40-85

    > 8-level stack buffer

    > Simple and practical instruction system (68 instructions)

    > Look-up table function

    > Support internal RC clock

    > Built-in WDT timer

    > Built-in low-voltage detection circuit

    > Interrupt source

    _3 timed interrupts

    _PORTA/PORTB port level change interrupt

    _others peripheral interrupt

    > Timer

    _8-bit timer TIMER0, TIMER2

     _16-bit timer TIMER1

    > Built-in touch button detection module

    _Adjustable sensitivity

    _No external touch capacitor required

    _All pins can be configured as touch channels

    > Built-in 1 USART communication module

    > Built-in 128-byte program EEPROM (can be repeatedly erased 100,000 times)

    > Support capture, comparison and PWM functions

    > High-precision 12-bit ADC

    -Built-in high-precision 1.2V reference voltage

    -±1.5% @VDD=2.5V~5.5 V TA=25

    -±2% @VDD=2.5V~5.5V TA=-40~85

    > PORTA/PORTB high/low drive current optional

    > Package type: SOP16, SOP20, TSSOP20


  • 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
    CMS79F723 SOP16 16 RISC -40~85 1.8~5.5 MTP 8K*16 256B+240B / 128B 14 / 3 / 1 / 1 / / / / 2 1 12 14 / / / / / / /

    /

    /

    14 / /
    CMS79F726 SOP20 16 RISC -40~85 1.8~5.5 MTP 8K*16 256B+240B / 128B 18 / 3 / 1 / 1 / / / / 2 1 12 18 / / / / / / /

    /

    /

    16 / /

  • Design & development

    Documentation
    Name Version Describe Download
    CMS79F72x user manual V1.2.1

    CMS79F72X modules, chip registers, clocks, storage, etc.

    Download >
    CMS79F726_DemoCode V1.0.0

    Contains the driver and sample program of the CMS79F726_Demo chip module

    Download >
    CMS79F726_DemoCode_ASM V1.0.0

    Contains the assembly driver and sample program of the CMS79F726_Demo chip module

    Download >

    More

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