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MCU芯片
M32L391

Arm Cortex M3 32-bit CPU
  Operating frequency over 100 MHz
  1.8 V to 3.6 V power supply
  1.24 DMIPS/MHz
  645 nAstop mode + RTC
  NVIC with 24 interrupts
  Full SWD support
DSP
Memory
  512 kB embedded nonvolatile FLASH
  128 kB SRAM
  8 kB bootROM
Clocks
  Integrated 32 kHz oscillator
  8 MHz high frequency oscillator
  Integrated real time clock with temperature sensor
Power on reset
Power management control unit
4 channel PWM

  Supports frequencies up to 4 MHz
OS timer
  64-bit counter
  4 comparators + overflow with interrupts
  Watchdog timer interrupt or reset
UART (2X)
  Supports baud rate up to 460,800
  Hardware flow control (RTS/CTS)
SPI master (2X)
  Supports frequencies up to 4 MHz
  SPI modes: 0,1,2,3 (LSB or MSB)
I2C master (2X)
  Supports standard (100 kb/s) and full (400 kb/s) transfer rates
I2S
  Supports mono or stereo input or output at 8, 16 or 32 kSPS
4 channel 12-bit 200 kSPSADC
  1 uWtypical power consumption for 200 kSPScontinuous conversion
Package Size: 10x10 mm
Pin: 88

 

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