ColdFire® V4e Microcontroller with Ethernet, CAN and Encryption

  • Not Recommended for New Designs
  • This page contains information on a product that is not recommended for new designs.

Product Details

Block Diagram

ColdFire MCF548X Microprocessor Block Diagram

ColdFire MCF548X Microprocessor Block Diagram


  • ColdFire® V4e core delivering up to 308 (Dhrystone 2.1) MIPS @ 200 MHz
  • Memory management unit (MMU)
  • Dual precision floating point (FPU)
  • Enhaced multiply-accumulate (eMAC) module handles DSP-like instructions
  • 32 KB I-cache
  • 32 KB D-cache
  • 32 KB on-chip system SRAM
  • 32-bit 133 MHz DDR/SDR-SDRAM controller
  • Connectivity:
    • 10/100 fast ethernet controller (FEC)
    • CAN 2.0B
    • PCI Interface V2.2; 33/66 MHz; five external leaders
    • Serial peripheral interface with direct memory access (DMA) capability
    • I²C interface
    • 16-channel DMA controller
  • Security:
    • Hardware-acceleration encryption (DES, 3DES, RC4, AES, MD5, SHA-1, RNG)
  • 388 PBGA package

Key Parametrics

  • Status
    Not Recommended for New Designs


Quick reference to our documentation types.

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Design Resources

Design Files

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2 hardware offerings


1-5 of 11 software files

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

Engineering Services

2 engineering services

To find a complete list of our partners that support this product, please see our Partner Marketplace.


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