Product Features

• Ultra-low power consumption technology

  Operating Voltage:2.0V~5.5V

  Operating ambient temperature: -40℃~105℃

  Low power modes: SLEEP, DEEPSLEEP

  Operating power consumption:

  RUN mode: 75uA/MHz@48MHz

  DEEPSLEEP mode:0.45uA

  DEEPSLEEP mode (+32.768K+RTC):0.7uA

• Core

  ARM®32-bitCortex®-M0+ CPU (MPU, MTB)

  Operating frequency:32KHz~48MHz

• Memories

  128KB Flash Memory: program/data flash

  1.5KB Special data flash memory

  12KB SRAM Memory(With Parity)

• Reset and power management

  Power-on reset circuit.

  On-chip voltage detector (LVD) (Selectinterrupt and reset from 10 levels)

• Clock

  High-speed on-chip oscillator, accuracy±1%.

  Select from 1MHz to 64MHz (CPU:1MHz to 48MHz)

  Low-speed on-chip oscillator: 15KHz

  Main clock oscillator: 1MHz to 20MHz

  Sub clock oscillator: 32.768KHz

• Multiplier/divider

  Single-cycle integer multiplier

  4-cycle or 8-cycle integer divider

• DMA

  Interupt trigger start.

  Transfer modes: Normal mode, Repeatmode, Block mode and Chain transfersmode

  Transfer space: 4 GB area from 0000 0000hto FFFF FFFFh except reserved areas

• EVENTC

  Event Link Controller

  Event signals(22 types) can be used asactivation sources for operating any one of 10 types of peripheral functions

• Analog

  12-Bit A/D Converter

  Conversion range: 0 to Vrefp or VDDAnalog input: Up to 16 channels,

  Internal reference voltage (1.45 V) andtemperature sensorsensor

  Conversionrate: 1.06Msps

  8-Bit D/A Converter (DAC8) × 2

  Comparator(CMP) × 2:The external referencevoltage or internal reference voltage can beselected as the reference voltage

  Programmable gain amplifier(PGA)×2: GAINX4/8/10/12/14/16/32Can be selected

• GPIO

  I/O port:29 to 59

  Can be set to N-ch open drain, TTL input buffer, and on-chip pull-up resistor

  On-chip key interrupt function

  On-chip clock output/buzzer output controller

• Serial wire debug (SWD)

• Timers

  16-bit timer: 9 channels

  15-bit interval timer: 1 channel

  Real-time clock (RTC): 1 channel

  Watchdog timer (WWDT): 1 channel (operablewith the dedicated low-speed on-chip oscillator)

  SysTick timer

• Serial interfaces

  SPI:1 channel；Sample SPI:3 to 6 channels

  UART:3 channels (LIN-bus)

  I2C:1 channel；Sample I2C:3 to 6 channels

  IrDA:1 channel

  CAN:1 channel

• Safety

  IEC/UL 60730

  Illegal memory access

  SRAM Parity Error Check

  Cyclic Redundancy Check (CRC) Calculator

  SFR protection

  128-bit unique ID

  Flash secondary protection in debug mode(level1: only erase the entire area of flash;level2: the emulator connection is invalid)

• Packages

  32~48 pin