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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 V1.2.2

      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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