IoT/GUI Solution

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The NuMaker-PFM-M2351 is a development board based on NuMicro®-M2351 microcontroller. Nuvoton NuMicro® M2351 secure microcontroller series is empowered by Arm® Cortex®-M23 core with TrustZone® for Armv8-M architecture, which elevates the traditional firmware security to the new level of robust software security.

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These M2351 microcontrollers with low-power running up to 64 MHz frequency with up to 512 K-bytes embedded flash memory in dual bank mode supporting secure OTA (Over-The-Air) firmware update and up to 96 K-bytes embedded SRAM. Furthermore, the M2351 series also provides high-performance connectivity peripheral interfaces such as UART, SPI, I2C, GPIOs, USB and ISO 7816-3 for the smart card reader. Its secure and low-power features strengthen the innovation of IoT security.

Security Core

  • M2351KIAAE based on Arm® Cortex®-M23 core
  • TrustZone® for ARM®v8-M
  • Up to 8 regions MPU_NS (for the non-secure world)
  • Up to 8 regions MPU_S (for the secure world)
  • 8 Security Attribution Unit (SAU) memory regions

Operating Characteristics

  • Running up to 64 MHz
  • Voltage range: 1.62V to 3.63 V
  • Temperature range: -40°C to +105°C


  • Up to 512 KB of dual bank flash memory
  • Up to 96 KB SRAM


NuMaker-PFM-M2351 Board Features

With the NuMaker-PFM-M2351 board, users can easily develop the secure application project. The left part of this board is the M2351 platform, including the target chip M2351KIAAE and the related onboard application parts and connectors.

The right part of this board is a Nu-Link-Me ICE Bridge based on the SWD (Serial Wire Debug) interface connected with the target chip, allowing users to program the application code to the Flash of target chip through the USB port from PC Host.

  • On-board Nu-Link-Me ICE Bridge (Mass storage as USB Disk drive) for drag and drop programming
  • Arduino UNO compatible interface
  • M2351 extended interface connectors
  • Secure Serial Flash(W77F32W) for secure data storage, cryptographic key storage, and general data storage
  • Audio codec (NAU88L25) with Microphone In and Headphone Out
  • Wi-Fi module for wireless application
  • USB 2.0 Full-Speed OTG / Host / Device
  • MicroSD Card slot for T-Flash
  • Three push-buttons: one is for reset and the other two are for user-defined
  • Three LEDs: one is for power indication and the other two are for user-defined
  • Supported by official FreeRTOS kernel port for Armv8-M

Front View

NuMaker-PFM-M2351 Front View

Rear View

NuMaker-PFM-M2351 Rear View

Volume discounts

QuantityDiscountYou Save
100$6.90Up to$690.00
Part No.NK-BEDM2351
MicrocontrollerM2351KIAAE (LQFP128)
Flash (Kbytes)512
SRAM (Kbytes)96

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