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Product description

Product model

Design & development

  • CMS79F123

    CMS79F123 is Cmsemicon's independent 8-bit RISC core microcontroller, working voltage 1.8V~5.5V, providing 4Kx16ROM, 344x8 RAM, 128x8 Pro EE, ADC, PWM, 2 operational amplifiers, 1 USART communication interface, widely used in home appliances, kitchen and bathroom Electrical appliances, household appliances, personal care and other fields.


    Datasheet >

    CMS79F123 built-in 2 8-bit timers and 1 16-bit timer, 5 PWM modules with complementary output; built-in 2 high-precision operational amplifiers, offset voltage <2mV, can be used as a comparator; provide 13 channels of 12-bit high precision ADC, built-in high-precision 1.2V reference voltage, internal reference source can be 2V/2.4V; built-in 24bit/12bit hardware divider module, 8 voltage LVD module; with sleep wakeup, low voltage detection reset and other functions. Provide SOP16 package.


    Features

    > 8-bit RISC core

    > ROM: 4Kx16

    > General RAM: 344x8

    > 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> Built-in WDT timer

    > Built-in low voltage detection circuit

    > Interrupt source

    > 3 timed interrupts

    > RA port level change interrupt

    > RB port level change interrupt

    > Other Peripheral interrupt

    > Timer

    > 8-bit timer TIMER0, TIMER2

    > 16-bit timer TIMER1

    > Built-in hardware divider module

    > 24-bit dividend/12-bit divisor

    > Built-in 1 USART communication module

    > Support synchronous master-slave mode and asynchronous full duplex mode

    > Configurable in RB4/RB5 or RA6/RA7

    > Built-in 128-byte program EEPROM

    > Repeatable programming 10,000 times

    > PWM module with complementary output (supports up to 5 PWMs)

    > 2 operational amplifiers

    > Offset Voltage <2mV

    > Can be used as a comparator

    > 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 module

    > Support multiple voltage options

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

    > Package type: SOP16


  • 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
    CMS79F123 SOP16 16 RISC -40~85 1.8~5.5 FLASH 4K×16 344B / 128 14 / 2x8,1x16 / / / 1 / / / / 5 1 12 13 / / / 1 / /

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  • Design & development

    Documentation
    Name Version Describe Download
    CMS79F123 user manual V1.4.1

    CMS79F123 modules, chip registers, clocks, storage, etc.

    		 Download >
    CMS79F123_DemoCode V1.0.0

    Contains the driver and sample program of the CMS79F123_Demo chip module

    		 Download >
    CMS79F123_DemoCode_ASM V1.0.0

    Contains the assembly driver and sample program of the CMS79F123_Demo chip module

    		 Download >

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