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 ).
Designed for power-conscious designers, the MCF5445x family is an ideal solution 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 the total system cost and power requirements.
Features
32-bit ColdFire V4 CPU
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Up to 410 Dhrystone 2.1 MIPS @ 266 Mhz
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Supply Voltage
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3.3 V I/O
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1.8 V/2.5V SDRAM I/O
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1.5 V Core
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Enhanced Multiply-Accumulate (eMAC) unit with four 48-bit accumulators to support 16x16 or 32x32 operations
Memory
- 16 Kb instruction and 16Kb data Cache
- 32 Kb internal SRAM
- Support for booting from SPI- compatible Flash, EEPROM, and FRAM devices.
Peripherals
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USB 2.0 On-The-Go controller
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ATA controller
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32-bit PCI controller @ 66MHz
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Two 10/100 Ethernet MACs
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Hardware accelerated encryption
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Random number generator
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I2S bus interface
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Four periodic interrupt timers
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Four 32-bit timers with DMA support
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DMA-supported serial peripheral interface (DSPI)
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Three UARTs
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I2C bus interface
Featured Documentation
- MCF54455: MCF54455 Data Sheet
- MCF54455RM: MCF54455 Reference Manual
- MCF54455PB: MCF5445x ColdFire Microprocessor Product Brief
- CFMCF5445XFAMFS: MCF5445x Family Fact Sheet
- CFEXPNSIONPAK: ColdFire 32-bit Controllers: Product and Tool Fact Sheets
Target Applications
- Network attached storage
- Point-of-Sale terminals
- HVAC building and control systems
- Medical instrumentation and monitors
- Embedded VoIP
- Fire/security control and monitoring systems
- Factory and automation systems
- Test and measurement equipment
MCF5445X Family Members
MCF54450 |
MCF54451 |
MCF54452 |
MCF54453 |
MCF54454 |
MCF54455 |
|
| Freq (MHz) | 240 MHz 180 MHz* |
240 MHz 180 MHz* |
266 MHz 200 MHz* |
266 MHz 200 MHz* |
266 MHz 200 MHz* |
266 MHz 200 MHz* |
| Features | USB 2.0 OTG with PHY, FEC, DDR2* |
USB 2.0 OTG with PHY, FEC, DDR2*, Crypto |
USB 2.0 OTG with PHY, 2xFEC, PCI, DDR2* |
USB 2.0 OTG with PHY, 2xFEC, PCI, DDR2*, Crypto |
USB 2.0 OTG with PHY, 2xFEC, PCI, DDR2*, ATA |
USB 2.0 OTG with PHY, 2xFEC, PCI, DDR2*, ATA, Crypto |
| Package | 256 MAPBGA | 256 MAPBGA | 360 TEPBGA | 360 TEPBGA | 360 TEPBGA | 360 TEPBGA |
| Temp Range | 0 to 70 -40 to 85* |
0 to 70 -40 to 85* |
0 to 70 -40 to 85* |
0 to 70 -40 to 85* |
0 to 70 -40 to 85* |
0 to 70 -40 to 85* |
* NOTE: The SDRAM controller is capable of running at lower frequencies than some memory types support. When selecting a memory device for use with this controller, you should take into account the clock requirements for the memory along with the supported frequencies for the SDRAM controller and the resulting system frequency (SDCLK = fsys/2).
Product Specifications
| Bus Frequency - Max (MHz) | 100, 133, 120, 90 |
| Internal RAM (kByte) | 32 |
| Cache (kByte) | 32 |
| External Memory Supported | DDR |
| Chip Selects | 9, 4 |
| Serial Interface - Type | UART, SSI, I2C, SPI, USB, Ethernet, Ethernet |
| Total DMA Channels | 16 |
| I/O Pins | 132, 93 |
| Additional Features | PLL, Real-Time Clock, Random Number Generator, ATA Controller, Memory Management Unit (MMU) |
Customer Notice
Because of an order from the United States International Trade Commission, BGA-packaged product lines and part numbers indicated here currently are not available from Freescale for import or sale in the United States prior to September 2010: MCF54450CVM180, MCF54450VM240, MCF54451CVM180, MCF54451VM240 .
Featured Tool
