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Product description

Product model

Design & development

  • CMS32L031

    32KB Flash, 64MHz, comparator, RTC, low pin. Mainly used in smart homes and portable products and fields with demanding power consumption.


    Datasheet >

    The CMS32L031 series MCU is a mainstream MCU launched by Cmsemicon based on ARM-Cortex M0+. The main frequency is 64MHz, the working voltage is 2V to 5.5V, 32KB Flash, 4KB SRAM, 1K DataFlash, up to 17 GPIOs, high-precision 12bit ADC; UART, SPI , I2C, DMA, PWM.


    Features

    > ARM Cortex M0+ core

    > Operating voltage: 2V-5.5V @64MHz

    > Operating temperature: -40℃-105℃

    > 32KB Flash ROM

    > 4KB SRAM

    > 1K DataFlash

    > Support internal and external crystal oscillation

    > 17 general-purpose GPIO

    > 8 16-bit timer

    > 32-bit multiplier module

    > 1 15-bit interval timer (low-power timer)

    > 1 WDT

    > 1 RTC, supporting perpetual calendar, alarm clock, etc.

    > 1 SysTick Timer

    > Enhanced DMA controller

    > Linkage controller

    > 2-channel comparator

    > 1 WWDT> 6-channel PWM

    > A/D conversion-up to 18 channels of high-precision and high-speed 12Bit ADC@1.2Msps

    > 3 UART interfaces

    > 1 I2C interface

    > 6 SPI Interface

    > 1 IrDA channel

    > Support ultra-low power working mode (sleep mode, deep sleep mode) 0.45uA @deep sleep mode 0.70uA @deep sleep mode+32.768KHz+RTC

    > built-in clock output/buzzer output control circuit

    > Package: TSSOP20, QFN20


  • Product model

    Part Number Package Frequency (MHz) Core Temp Voltage Memory Type ROM RAM Data Flash GPIO DMA Timer LSE WDT/WWDT RTC UART I²C SPI LIN PWM/EPWM SAR-ADC SAR-ADC-bit SAR-ADC-ch SAR-ADC-speed(Msps) COMP Touch Co_proc
    SAR-ADC-unitSAR-ADC-bitSAR-ADC-chSAR-ADC-speed(Msps)CO-MUL
    CMS32L031TS20 TSSOP20 64 M0+ -40~105 2~5.5 FLASH 32KB 4KB 1KB 17 24 8 Y 1 1 3 1 6 1 8 1 12 11 1.42 2 / 1
    CMS32L031QN20 QFN20 64 M0+ -40~105 2~5.5 FLASH 32KB 4KB 1KB 17 24 8 Y 1 1 3 1 6 1 8 1 12 11 1.42 2 / 1

  • Design & development

    Documentation
    Name Version Describe Download
    CMS32L031 Keil Pack V1.0.2

    CMS32L031MCU Keil device support installation package

    Download >
    CMS32L031 user manual V1.2

    CMS32L031 modules, chip registers, clocks, storage, performance indicators,  etc.

    Download >
    CMS32L031 data sheet V1.2

    CMS32L031 chip feature, performance indicators, packaging information, etc.

    Download >

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    Development tools

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