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Home > Products > Cmsemicron MCUs > 8-Bit MCU CMS79F-Series

8-Bit MCU CMS79F-Series CMS79F73x

CMS79F73x is a Cmsemicon enhanced flash memory 8-bit CMOS microcontroller with a working voltage of 2.0V~5.5V, providing 8Kx16 FLASH, 256x8 RAM, 128x8 Pro EE, built-in touch dedicated 400x8 RAM, and built-in touch button detection module.

Product Features

  • Memory

    Flash: 8Kx16

    Universal RAM: 256x8

    Dedicated RAM for built-in touchfeature: 400x8

  • 8 level stack buffer

  • Clean instructions (68 instructions)

  • look-up table

  • built-in WDT timer

  • built-in low voltage detection circuit

  • Interrupt source

    3 timer interrupt

    Interrupt for change in electrical levelRB port

    Other peripherals interrupt

    16-bit timer: TIMER1 which supportsexternal

    32.768kHz crystal oscillator as timerclock source

  • Capture, compare and PWM mod (CCP)

    10-bit PWM precision

    2 PWM circuit with configurable andadjustable period and duty cycle

    Able to configurate betweenRB4/RB3 or RC6/RC7

  • built-in 128-byte EEPROM

    Can re-write/erase up to 100000times

  • built-in touch button detection mod, noneed for external touch capacitor

    Can pass dynamic/static 10V EMCtest

    Adjustable touch sensitivity

    All pins can be configurated to touchchannel

  • Working voltage: 2.6V~5.5V@16MHz 2.0V~5.5V@8MHz

  • Working temperature: -40℃~85℃

  • Multiple ways of oscillation

    Internal RC: design frequency of 8MHz/16MHz

    External XT: up to 16MHz

  • Instructions period (single instruction or doubleinstructions)

  • built-in LED driver mod

    Support up to 11 segments, 8 bits

    Large driving current up to 150mA at COM port

    Adjustable current of 2-30mA at SEG port

  • built-in LCD1/2 Bias COM driver mod

    Support up to 8 COM port

    COM port driver current selection

  • built-in MSSP communication mod (SPI/ I2C)

    I2C supports master control/slave mode (7-bitaddressing)

    I2C slave mode supports broadcast call

    SPI supports master/slave mode

  • built-in 2 USART communication mod

    Supports synchronous master/slave mode andasynchronous duplex mode

    serial port 1 can be configurated betweenRB4/RB3 or RC6/RC7

  • High precision 12-bit ADC

    Built-in high precision 1.2V reference voltage

    ±1.5% @VDD=2.5V~5.5V TA=25℃

    ±2% @VDD=2.5V~5.5V TA=-40℃~85℃

  • built-in LVD mod

    Choice of voltage:

    2.2V/2.4V/2.7V/3.0V/3.3V/3.7V/4.0V/4.3V

How to Order

You can get your 8-Bit MCU CMS79F-Series CMS79F73x solution by flling out the form below and we will contact you immediately.

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