Product Features

• Ultra-low power operation environment:

  Supply voltage range: 2.0V to 5.5V

  Temperature range: -40℃ to 125℃

  Low power 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 operation: 1.2uA

• Kernel:

  ARM®32-bit Cortex-M0®+ CPU

  Operating frequency: 32KHz to 64MHz

• Memory:

  256KB Flash memory, program sharedwith data storage

  2.5KB dedicated data Flash memory

  32KB SRAM MEMORY WITH PARITY

• Power and reset management:

  Built-in power-on reset (POL) circuitry

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

• Clock Management:

  Built-in high-speed oscillator, accuracy(±1%). A 1 MHz to 64MHz system clockand peripheral module action clock areavailable

  Built-in 15KHz low-speed oscillator

  Built-in 1 channel PLL

  Support 1MHz ~ 20MHz external crystaloscillator, support stop vibrationmonitoring

  Supports 32.768KHz external crystaloscillator for correction of internal high- speed oscillators

• Multiplier/ divider module:

  Multiplier: Supports single-cycle 32bitmultiplication operations

  Divider: Supports 32bit signed integerdivision and requires only 8 CPU clockcycles to complete the operation

• Enhanced DMA Controller:

  An interrupt triggers a start.

  Transfer modes selectable (normaltransfer mode, repeat transfer mode, block transfer mode, and chain transfer mode)

  The source/destination field is optional forfull address space range

• Linkage controller:

  It can link event signals together toachieve the linkage of peripheralfunctions.

  There are 23 types of event inputs and 10types of event triggers.

• Rich analog periphery:

  12-bit precision ADC converter with1.42Msps slew rate, 21 external analogchannels, internal selectable PGA output asthe conversion channel, temperature sensor, and support for single-channel conversionmode and multi-channel sweep conversionmode. Conversion range: 0 to positivereference voltage

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

  Comparator (CMP) with built-in two-channelhysteresis comparator, selectable inputsource, and selectable external reference orinternal reference voltage reference

  Programmable gain amplifier (PGA) with two channels of PGA to program 4/8/10/12/14/16/32 gains with an external GND pin that can be used as differentialmode

• Input/output port:

  I/O ports: 45 to 75

  Capable of N-channel open-drain, TTL inputbuffering, and internal pull-up switching

  Built-in key interrupt check-out function

  Control circuitry with built-in clockoutput/buzzer output

• Serial two-wire debugger (SWD).

  Rich timers:

  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 supportfor a wide range of clock correction).

  Watchdog timer (WWDT): 1

  SysTick timer

• Rich and flexible interfaces:

  3 serial communication unit: Serial communication unit 0 can be freelyconfigured as 2-channel standard UART or 4- channel 3-wire SPI or 4-channel simple I2C;Serial communication unit 1 or 2 can befreely configured as 1-channel standardUART or 2-channel 3-wire SPI or 2-channelsimple I2C; (UART of unit 0 supports LIN Buscommunication, SPI00 channel supports 4-wire SPI communication)

  Standard I2C: 2 channels

  CAN: 2 channels

• Security features:

  Complies with IEC/UL 60730 relatedstandards

  Abnormal storage space access error isreported

  Supports RAM parity

  Supports hardware CRC verification

  Supports critical SFR protection againstmisoperation

  128-bit unique ID number

  Flash secondary protection in debug mode(level1: only flash full domain erasure, cannot read and write; level2: The emulatorconnection is invalid and cannot be operatedon flash).

• Package:

  Support 48Pin, 64Pin, 80Pin multiplepackages