Features and Benefits

  • MAX32655 Microcontroller
    • Arm Cortex-M4F, 100MHz
    • 32-Bit RISC-V Coprocessor to Offload Timing-Critical Bluetooth Processing
    • 512KB Flash Memory
    • 128KB SRAM
    • 16KB Cache
    • Bluetooth 5.2 LE Radio
    • MAX20303 Wearable PMIC with Fuel Gauge
    • Charge from USB
    • On-Board DAPLink Debug and Programming Interface for Arm Cortex-M4F
    • Breadboard Compatible Headers
    • Micro USB Connector
    • Micro SD Card Connector
  • Integrated Peripherals
    • RGB Indicator LED
    • User Pushbutton
    • Low-Power Stereo Audio CODEC
    • Digital Microphone
    • SWD Debugger
    • Virtual UART Console

Product Details

The MAX32655FTHR is a rapid development platform to help engineers quickly implement ultra low-power wireless solutions using MAX32655 Arm© Cortex®-M4F and Bluetooth® 5.2 Low Energy (LE). The board also includes the MAX20303 PMIC for battery and power management. The form factor is a small 0.9in x 2.6in dual-row header footprint that is compatible with Adafruit Feather Wing peripheral expansion boards. The board includes a variety of peripherals, such as a digital microphone, low power stereo audio CODEC, 128MB QSPI Flash, micro SD card connector, RGB indicator LED, and pushbutton. The MAX32655FTHR provides a power-optimized flexible platform for quick proof-of-concepts and early software development to enhance time to market.


  • Asset Tracking
  • Fitness/Health and Medical Wearables
  • Hearables
  • Industrial Sensors
  • Wireless Computer Peripherals and I/O Devices


Pricing displayed is based on 1-piece.

Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.