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From the basic end nodes to the gateways and the clouds, IoT applications require control, networking, encryption and other related technologies. Nuvoton introduces the NuMaker-IoT-M487 development board for IoT applications. Embedded with the NuMicro M487 series microcontroller, NuMaker-IoT-M487 development board has built-in RJ45 Ethernet and Wi-Fi modules, which allows users to connect to cloud in a wired or wireless manner. NB-IoT, 6LoWPAN and other connectivity capabilities are provided through different wireless daughter boards to meet various application scenarios. NuMicro M487 series built-in encryption and decryption accelerator, the efficiency of encrypted network connection improves.

The NuMaker-IoT-M487 development board integrates common components and supports Arm® Mbed™ OS, built-in multi-axis sensor. It also provides compatible Arduino UNO and mikroBUS™ interfaces, which means GPIO, UART, ADC, PWM, SPI, I2C, etc. can be connected. The built-in Nuvoton NuMaker Brick I2C interface is also available. A unique simulated image sensor interface can connect to the CMOS image sensor to capture image for analysis. Combined with the NAU88L25 audio codec, the development board provides high-quality recording and playback. The external SPI Flash and microSD card socket provide additional data storage.

NuMaker-IoT-M487 provides multiple networking, interfaces, image sensing, audio recording, playback functions, and flexible extended data storage. Whether you need a sensor node or a light-weight gateway, the NuMaker-IoT-M487 is an ideal choice for IoT applications


NuMaker IoT- M487



32-bit Arm Cortex-M4 M487JIDAE MCU

  • Operation frequency is up to 192 MHz
  • 512 KB embedded Flash and 160 KB SRAM
  • Dual Bank Flash
  • 32 KB cache memory for external SPI flash
  • USB 2.0 HS PHY and FS PHY
  • RMII interface, support 10/100 Mbps Ethernet
  • DES, AES, ECC, 3DES, HMAC and SHA crypto accelerator
  • VAI (Voltage Adjustable Interface) system supports voltage level adjustment for individual I/O

On Board Devices

  • Audio Codec (NAU88L25) supports MIC and earphone
  • 9-axis sensor
  • SPI Flash


  • Arduino UNO
  • mikroBUS
  • NuMaker-Brick I2C
  • RJ45 Ethernet
  • USB 1.1/2.0 OTG
  • microSD slot
  • 3.5mm Audio connector

For more details and documents, please link to Nuvoton Official Website GO


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