Flexis 32-Bit ColdFire® V1 MCUs

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Block Diagram

ColdFire MCF51MM Microcontroller Block Diagram

ColdFire MCF51MM Microcontroller Block Diagram


  • ColdFire® V1 core delivering a 50 MHz core speed and 25 MHz bus speed
  • Up to 256 KB flash and 32 KB SRAM
  • Low-power stop 2 current:500 nA (32 KB of active SRAM)
  • 2 x general purpose opamps
  • 2 x transimpedance amplifiers
  • 16-bit SAR high resolution analog-to-digital converter(ADC)
  • Analog Comparator with 5-bit digital-to-analog converter (DAC)
  • Internal voltage reference
  • USB - device/host/on-the-go controller
  • 2 x serial peripheral interface (SPI), 2 x serial communication interface (SCI) and 1 x I²C
  • Mini FlexBus (external bus interface)
  • This product is included in Our product longevity program, with assured supply for a minimum of 15 years after launch

Part numbers include: MCF51MM128CLK, MCF51MM256CLK, MCF51MM256CLL, MCF51MM256VLK, MCF51MM256VLL.


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Note: For better experience, software downloads are recommended on desktop.

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