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.

> 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