• 48 MHz Cortex-M0+ 32-bit CPU

  Single-cycle multiplication instructions

• Up to 24 KB Flash and 3 KB SRAM

• Flexible power consumption management

  – Sleep,Stop,Deepstop multiple low-power modes

• Power detector: BOR

• Clock sources

  – Internal high-speed clock: 48MHz, full temperature variation within ±2%

  – Internal low-power, low-speed clock: 32 kHz

  – External clock input

• Up to 18 I/Os

  – All mappable on external interrupt vectors

• Timers

  – 1x16-bit advanced-control timer, can output 4 channels of PWM or 3 channels of complementary PWM, supporting dead-time insertion and break input

  – 1x 16-bit general-purpose timer, can output 4 channels of PWM or capture 2 channels of input signals, supporting hall-sensor

  – 1x 16-bit low-power timer,supporting wake-up from Deepstop and Stop mode

  – 1x 24-bit SysTick

  – 1x watchdogs: IWDG

• IRTIM supporting timer and UART connection for infrared control

• Communication interfaces

  – 1x SPI, with the maximum rate of 24 Mbps in master mode and 16 Mbps in slave mode

  – 2x UARTs

  – 1x I2C, slave mode, 1 Mbps Fm+

• 12-bit 1 Msps high-accuracy SAR ADC, supporting measure signals with high output impedance

  – 8 external channels

  – 1 internal channels for BGR reference

voltage,can be used to evaluate the actual V_DDA voltage

• 2x low-power comparers, can be used in Deepstop and Stop mode

• CRC 16/32 calculation unit

• 96-bit unique ID

• Serial wire debug (SWD)

• Operating conditions: 1.8V~5.5V

• Operating temperature: -40°C~85°C,

-40°C~105°C

• 
  

• Packages: TSSOP20,QFN20,SOP16,SOP8