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This board has experimental support in mbed OS, currently under review by the ARM mbed team.


Nuvoton's M453 ARM Cortex-M4 based 32-bit microcontrollers.The NuMicro M453 series with embedded Cortex®-M4F core with DSP extensions and a Floating Point Unit runs up to72 MHz with 40/72/128/256 Kbytes embedded flash memories and 16K/32K-byte embedded SRAM. It is also equipped with plenty of peripheral devices, such as Timers, Watchdog Timers, RTC, PDMA, EBI, UART, Smart Card interface, SD HOST, SPI, I2C, I2S, PWM, Timer, GPIO, LIN, CAN, 12-bit ADC, analog comparator, operational amplifier, temperature sensor, Low Voltage Reset Controller and Brown-out Detector. The M453 also provide USB 2.0 full-speed Device/Host/OTG.

The Nu-mbed M453 has been designed by NuvoTon in collaboration with mbed for prototyping all sorts of devices, especially those requiring the size and price point offered by Cortex-M4®. It is packaged as a development board with connectors to break out to strip board and breadboard.


Nu-mbed M453 Platform Features


  • ARM® Cortex®-M4F core running up to 72 MHz
  • Supports DSP extension
  • 256 Kbytes Flash memory
  • 32 Kbytes embedded SRAM
  • SPI (3)
  • I2C (2)
  • I2S (2)
  • UART (5)
  • USB OTG / Host / Device USB
  • PWM
  • ADC (16 x 12bit with mux)
  • GPIO
  • Comparator
  • CAN(1)

On-board peripherals

  • 2 user buttons, RGB LED
  • I2S Audio codec
  • SD Card
  • MPU6500 6-axis MEMS sensor
  • Arduino pin expansion header


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