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The MCF5445x family of 32-bit microprocessors feature a rich set of connectivity peripherals including Ethernet, USB on-the-go (USB OTG) and peripheral component interconnect (PCI).
Developed for power-conscious designers, the MCF5445x family is ideal for consumer and embedded control designs that need high-performance and connectivity.
These highly integrated microprocessors open the door to expanding application capabilities while driving down total system cost and power requirements.
Features
- 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)
- Complimentary Freescale MQX Software Solutions
- This product is included in Freescale’s product longevity program, with assured supply for a minimum of 10 years after launch
Featured Documentation
- MCF54455: MCF5445x ColdFire Microprocessor - Data Sheet
- MCF54455RM: MCF54455 - Reference Manual
- MCF54455PB: MCF5445x ColdFire Microprocessor Product Brief
- CFMCF5445XFAMFS: MCF5445x Family ColdFire ® V4 embedded controllers - Fact Sheet
- CFEXPNSIONPAK: ColdFire 32-bit Controllers: Product and Tool Fact Sheets
Featured Software and Tools
- CWX-MCU-LLPLT-EX: Evaluation: CodeWarrior for Microcontrollers 10.4 (Eclipse, Offline)
- CWX-MCU-SELH: Special Edition: CodeWarrior for Microcontrollers 10.4 (Eclipse, Offline)
- CWX-MCU-PROED-EX: Evaluation: CodeWarrior for Microcontrollers 10.4 (Eclipse, Online)
- CWX-MCU-SE: Special Edition: CodeWarrior for Microcontrollers 10.4 (Eclipse, Online)
- M54455EVB: MCF54455 Evaluation Board
- M54451EVB: MCF5445x Low Cost Evaluation Board
- MQX: Freescale MQX™ Software Solutions
- UMultilink: Universal Multilink Development Interface
- USBMLCF: USB ColdFire Multlink
Target Applications
- Consumer
- Voice-Over-Internet Protocol (VoIP)
- Industrial
- Programmable Logic Control (PLC)
- Process Control, Temperature Control
- Input-Output Control (I/O Control)
- Fieldbus-to-Ethernet Gateway
- Ethernet Converter (Bridge)
- Ethernet Switch
- Industrial Hub
- Electronic Point-of-Sales (ePOS) Terminals
- Fire and Security Systems
- HVAC Building and Control Systems
- Factory Automation
- Medical/Healthcare
- Telehealth System
- Hospital Admission Machine
- Ventilators and Respirators
- Defibrillators
- Medical Instrumentation and Monitors
MCF5445X Family Members
| MCF54450 | MCF54451 | MCF54452 | MCF54453 | MCF54454 | MCF54455 | |
| Core: Operating Frequency | 180 MHz 240 MHz | 180 MHz 240 MHz | 200 MHz 266 MHz | 200 MHz 266 MHz | 266 MHz 200 MHz | 266 MHz 200 MHz |
| Package Description and Diagram | MAPBGA 256 17*17*1.6P1.0 | MAPBGA 256 17*17*1.6P1.0 MAPBGA 256 17*17*0.8P1.0 | 360 23*23*2.23 P1 | 360 23*23*2.23 P1 | 360 23*23*2.23 P1 | 360 23*23*2.23 P1 |
| Ambient Operating Temperature | -40 to 85 °C 0 to 70 °C | -40 to 85 °C 0 to 70 °C | -40 to 85 °C 0 to 70 °C | -40 to 85 °C 0 to 70 °C | 0 to 70 °C -40 to 85 °C | 0 to 70 °C -40 to 85 °C |
Product Specifications
| Bus Frequency - Max (MHz) | 90, 100, 133, 120 |
| Internal RAM (KB) | 32 |
| Cache (KB) | 32 |
| External Memory Supported | DDR |
| Serial Interface - Type | SPI, USB, I2C, UART, Ethernet, SSI |
| Total DMA Channels | 16 |
| I/O Pins | 132, 93 |
| Additional Features | ATA Controller, PLL, Random Number Generator, Real-Time Clock, Memory Management Unit (MMU) |
