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:1.5uA

  Deep sleep mode +32.768K+RTC: 1.9uA

• Core

  ARM®32-bitCortex®-M0+ CPU

  Working frequency: 32KHz~64MHz

• Memory:

  512KB Flash memory, with program and data storage shared

  20KB dedicated data Flash memory

  64KB 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%). Canprovide 1MHz~64MHz system clock and peripheral 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

• Linkage controller:

  The event signals can be linked together to realizethe linkage of peripheral functions.

  15 types of event input, 10 types of event trigger.

• Abundant analog peripheral:

  12-bit precision ADC converter, conversion rate1.42Msps, 28 external analog channels, internal optional PGA output as conversion channel, withtemperature sensor, support single-channelconversion mode and 2, 3, 4 channel scanconversion mode Conversion range: 0 to positive reference voltage

  8-bit precision D/A converter, 2-channel analogoutput, real-time output function, output voltagerange 0~VDD

• 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-channel comparator with hysteresis, optional input source, reference voltage can be external referencevoltage or internal reference voltage

  Programmable gain amplifier (PGA), built-in two- channel PGA, can set 4/8/10/12/14/16/32 timesgain, with external GND pin (can be used asdifferential mode)

• Input/output port:

  Number of I/O port: 59-93

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

  Built-in button interrupt detection function

  Built-in clock output/buzzer output control circuit

• Serial two-wire debugger (SWD)

• Abundant timer:

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

  15-bit interval timer: 1

  Real-time clock (RTC): 1 (with perpetual calendar, alarm clock function, and supports a wide range ofclock correction)

  Watchdog timer (WWDT): 1

  SysTick timer

• Abundant and flexible interface:

  4-channel serial communication unit: each channelcan be freely configured as a 1-channel standardUART, 2-channel SPI or 2-channel simple I2CStandard SPI: 2 channels (Support 8bit and 16bit)Standard I2C: 2 channels

  CAN:3 channe

  LCD BUS interface: support 8080, 6800 interface

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

• Encapsulation:

  Support multiple encapsulation of 64Pin, 80Pin and 100Pin