Product Features

• Ultra-low power consumption operatingenvironment:

  Power supply voltage range:1.8V to 5.5V

  Temperature range: -40℃ to 105℃

  Low power consumption mode: sleep mode, deep sleep mode

  Operating power consumption:

  120uA/MHz@64MHz

  Power consumption in deep sleep mode:0.8uA

  Deep sleep mode +32.768K+RTC: 1.2uA

• Core

  ARM®32-bitCortex®-M0+ CPU

  Working frequency: 32KHz~64MHz

• Memory:

  256KB Flash memory, with program and datastorage shared

  2.5KB dedicated data Flash memory

  32KB SRAM memory with parity check

• Power and reset management:

  Built-in power-on reset (POR) circuit

  Built-in voltage detection (LVD) circuit (thresholdvoltage can be set)

• Clock management:

  Built-in high-speed vibrator, accuracy (±1%). Can provide 1MHz~64MHz system clock andperipheral module operation clock

  Built-in 15KHz low-speed oscillator

  Built-in 1 PLL

  Support 1MHz~20MHz external crystaloscillator

  Support 32.768KHz external crystal oscillator, which can be used to calibrate internal high- speed oscillator

• Multiplier/divider module:

  Multiplier: Support single cycle 32bitmultiplication operation

  Divider: Support 32bit signed integer divisionoperation, only 8 CPU clock cycles tocomplete an operation

• Enhanced DMA controller:

  Interrupt trigger start.

  Transmission mode is selectable (normaltransmission mode, repeated transmissionmode, block transmission mode and chaintransmission mode)

  The transmission source/destination area isoptional for the full address space range

• Security function:

  Comply with relevant standards of IEC/UL60730

  Abnormal storage space access error

  Support RAM parity check

  Support hardware CRC check

  Support important SFR protection to preventmisoperation

  128-bit unique ID number

• Linkage controller:

  The event signals can be linked together torealize the linkage of peripheral functions.

  15 types of event input, 10 types of eventtrigger

• Abundant analog peripheral:

  12-bit precision ADC converter, conversionrate 1.42Msps, 21 external analog channels,internal optional PGA output as conversionchannel, with temperature sensor, supportsingle-channel conversion mode and multi- channel scan conversion mode Conversionrange: 0 to positive reference voltage

  8-bit precision D/A converter, 2-channelanalog output, real-time output function, output voltage range 0~VDD

• Abundant analog peripheral:

  12-bit precision ADC converter, conversion rate1.42Msps, 35 external analog channels, internaloptional PGA0 output as conversion channel, withtemperature sensor, support single-channelconversion mode and multi-channel scan conversionmode Conversion range: 0 to positive referencevoltage

  8-bit precision D/A converter, 2-channelanalog output, real-time output function, output voltage range 0~VDD

  Comparator (CMP), built-in two-channelcomparator with hysteresis, optional inputsource, reference voltage can be externalreference voltage or internal referencevoltage

  Programmable gain amplifier (PGA), built-intwo-channel PGA, can set 4/8/10/12/14/16/32times gain, with external GND pin (can beused as differential mode)

• Input/output port:

  Number of I/O port: 45~75

  Can switch between N-channel open drain, TTL input buffer and internal pull-up and pull- down

  Built-in button interrupt detection function

  Built-in clock output/buzzer output controlcircuit

• Serial two-wire debugger (SWD)

• Abundant timer:

  16-bit timer: 17 channels (With PWM functionand motor dedicated PWM function)

  15-bit interval timer: 1

  Real-time clock (RTC): 1 (with perpetualcalendar, alarm clock function, and supportsa wide range of clock correction)

  Watchdog timer (WWDT): 1

  SysTick timer

• Abundant and flexible interface:

  4-channel serial communication unit: eachchannel can be freely configured as a 1- channel standard UART, 2-channel SPI or 2- channel simple I2C

  Standard I2C：2 channels

  CAN:2 channel

  Flash secondary protection in debug mode(Level1: only the entire flash area can beerased, not read or write; Level2: theemulator connection is invalid, and the flashoperation is not possible)

  Abnormal storage space access error

  Support RAM parity check

  Support hardware CRC check

  Support important SFR protection to preventmisoperation

  128-bit unique ID number

  Flash secondary protection in debug mode (level1:only the entire flash area can be erased, not read orwrite; level2: the emulator connection is invalid, andthe flash operation is not possible)

• Encapsulation:

  Support multiple encapsulations of 48Pin, 64Pin and 80Pin