MCF54454CVR200

微处理器 - MPU MCF5445X V4M CORE MMU

Overview

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.

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## 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 MQX Software Solutions

* This product is included in ®.s product longevity program, with assured supply for a minimum of 10 years after launch

## Features Comparison Table

### MCF5445X Family Members

| MCF54450| MCF54451| MCF54452| MCF54453| MCF54454| MCF54455

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* 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.