32-Bit Microprocessor with USB On-the-Go, Ethernet, PCI, DDR2/DDR controller and Encryption


See product image

Product Details

Select a section:

Block Diagram

ColdFire MCF5445X Microprocessor Block Diagram

ColdFire MCF5445X Microprocessor Block Diagram


  • 32-bit ColdFire® V4 CPU
  • Up to 410 (Dhrystone 2.1) MIPS @ 266 Mhz
  • Supply voltage
    • 3.3-volt I/O
    • 1.8 /2.5-volt SDRAM I/
    • 1.5-volt core
  • Enhanced multiply-accumulate (eMAC) unit with four 48-bit accumulators to support 16 x 16 or 32 x 32 operations
  • Memory
    • 16 KB instruction and 16 KB data cache
    • 32 KB internal SRAM
    • Support for booting from serial peripheral interface (SPI)- compatible flash, EEPROM and FRAM devices.
  • Peripherals
    • USB 2.0 OTG controller
    • ATA controller
    • 32-bit PCI controller @ 66 MHz
    • Two 10/100 Ethernet media access controllers (MACs)
    • Hardware accelerated encryption
    • Random number generator
    • I²C bus interface
    • Four periodic interrupt timers
    • Four 32-bit timers with direct memory access (DMA) support
    • DMA-supported serial peripheral interface (DSPI)
    • Three universal asynchronous receiver/transmitters (UARTS)
    • Up to 132 general-purpose input/outputs (GPIOs)
  • Complimentary MQX Software Solutions
  • This product is included in NXP®.s product longevity program, with assured supply for a minimum of 10 years after launch


Quick reference to our documentation types.

1-5 of 21 documents

Show All

Design Resources


1-5 of 6 hardware offerings

Show All


1-5 of 9 software files

Show All

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

Engineering Services

1-5 of 7 engineering services

Show All

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


5 trainings