Product Features

• ARM Cortex M0+ core

• Up to 64MHz @2.0V-5.5V

• 35uA/MHz @64MHz

• Operating voltage:

  2.0V-5.5V

• Operating temperature range:

  -40℃-85℃

• 32KB Flash

• 4KB SRAM

• 1.5KB Data Flash

• Support BOOT function, space can be set 0-4KB

• Up to 22 GPIOs, digital IO can be mapped freely

• Flexible configuration system clock, can be switched freely

• Hardware multiplier module, support 32bit multiplication operation

• 8 16Bit General Timer

• 1 15Bit interval timer (low-power timer)

• 1 WDT

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

• 1 SysTick Timer

• Built-in hardware divider module

• Linkage controller

• A/D Conversion-up to 18 channels of high-precision high-speed 12Bit ADC@1.2Msps

• 2-channel programmable gain booster, 4/8/10/12/14/16/32 times gain optional

• 2-channel comparator, input source optional reference voltage

• 3 UARTs

• 6 SPIs

• 1 standard I2C

• 1 IrDA channel

• Support ultra-low power consumption mode 0.45uA @deep sleep mode 0.70uA @deep sleep mode+32.768KHz+RTC

• compliant IEC/UL 60730 related standards

• Abnormal storage space access error,hardware CRC check, special SFR protection to prevent misoperation

• 128-bit unique ID number

• QFN24/SSOP24/QFN20/TSSOP20