1. Devices
  2. FM3 Basic Series
  3. MB9BF120
  4. MB9BF121L


Download CMSIS Pack

CMSIS-Pack is a delivery mechanism for software components and device support for embedded and IoT applications. Learn more.

  • Core

    Cortex-M3, 72 MHz

  • Family

    FM3 Basic Series

  • Sub-Family


The FM3 Series is designed for cost-sensitive embedded control applications.
Typical applications include Industrial, Motor control, Factory automation, White goods, Power tools, Medical and healthcare, Hand-held devices

- highly reliable Flash (100,000 erase/write cycles) with 0 wait states at 72MHz)
- long term availablity (> 10 years)

  • Features



  • Memory

    IRAM1 8 KiB
    IRAM2 8 KiB
    IROM1 64 KiB
    IROM2 32 KiB