Product Features

• Ultra-low power consumption technology

  Operating Voltage:1.8V~5.5V

  Operating ambient temperature: -40℃~105℃

  Low power modes: SLEEP, DEEPSLEEP

  Operating power consumption:

  RUN mode: 35uA/MHz@64MHz

  DEEPSLEEP mode:0.45uA

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

• Core

  ARM®32-bitCortex®-M0+ CPU

  Operating frequency:32KHz~64MHz

• Memories

  64KB Flash Memory: program/data flash

  1.5KB Special data flash memory

  8KB SRAM Memory (With Parity)

• Reset and power management

  Power-on reset circuit.

  On-chip voltage detector (LVD) (Selectinterrupt and reset level by option byte)

• Clock

  Main clock oscillator: 1MHz to 64MHz

  Sub clock oscillator: 32.768KHz

  High-speed on-chip oscillator: 1MHz to 20MHz, accuracy (±1%)

  Low-speed on-chip oscillator: 15KHz

• Multiplier

  Integer multiplier

• 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 (15 types) can be used asactivation sources for operating any one of 4types of peripheral functions

• Analog

  12-Bit A/D Converter

  Conversion range: 0 to Vrefp or VDDAnalog input: Up to 15 channels, Internalreference voltage (1.45 V) and temperaturesensor

  Conversion range: 0 to Vrefp or VDDAnalog input: Up to 15 channels, Internalreference voltage (1.45 V) and temperaturesensor

  Conversionrate: 1.42Msps

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

  Programmable gain amplifier (PGA)×2:GAIN x4/8/10/12/14/16/32 can be selected

• GPIO

  I/O port: 29 to 45

  Can be set to N-ch open drain and on-chippull-up resistor

  Digital function can be freely assigned toany pin

  On-chip clock output/buzzer output controller

• Serial wire debug (SWD)

• Timers

  16-bit timer: 8 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

  SCI: 3 channels (1 UART / 2 SPI / 2 I2C foreach SCI channel)

  Standard SPI:1 channel (8bit or 16bit)

  Standard I2C:1 channel

  IrDA: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

  48LQFP, 40QFN, 32LQFP, 32QFN