Motorola ColdFire MCF5282 User Manual download pdf (Page 55)

Freescale Semiconductor Solution

Freescale’s MCF547x processor family is well

suited to be the main control processor in

next-generation information appliances,

including automated gas fueling stations. The

on-chip PCI interface offers straightforward

control of LCD and touch-screen systems,

and enables the use of different screen sizes

and technologies. The wide range of

connectivity peripherals on the MCF547x

device—including four programmable serial

controllers, two 10/100 Ethernet interfaces

and the direct memory access–serial

peripheral interface (DMA-SPI)—allows

design flexibility. Multiple 10/100 Ethernet

connections mean the gas pump can easily

separate remote monitoring and diagnostic

information gathering from the customer Web

interface, and the DMA-SPI can interface with

next-generation WAN and PAN technologies

such as RFID and ZigBee™ protocol

devices, as well as devices enabled by

Bluetooth™ wireless technology. The

hardware-accelerated encryption of the

MCF547x devices allows customer

transactions to be quickly and securely

stored and transmitted via any of the

communications peripherals in the system.

ColdFire

Microprocessors

Freescale offers user’s manuals, product

briefs and application notes for its

ColdFire microprocessors. In addition,

local support is also provided for these

products. For more information, visit

www.freescale.com/coldfire.

Interrupt

Controller

Master/Slave

Interface

Cryptography

Accelerator

32 KB System

SRAM

Watchdog

Timer

Timers x 4

Slice

Timers x 2

Bus

CommBus

Slave

Bus

DMA

Read

DMA

Write

Crypto R/W

XL Bus

Read/Write

XL Bus

Arbiter

PLL

Memory

Controller

FlexBus

Controller

PCI 2.2

Controller

Communications

I/O Subsystem

System

Integration Unit

Peripheral I/O

Interface and Ports

DDR SDRAM

Interface

Multichannel DMA

Master Bus Interface and FIFOs

USB 2.0

High-Speed

Device

PSC x 4 FEC1 FEC2I

PCI Interface

and FIFOs

FlexBus

Interface

V4e ColdFire

Core

MMU, FPU

eMAC

32 KB I-Cache

32 KB D-Cache

DDR

SDRAM

Flash

PCI I/O

Interface and Ports

Peripheral Communications

I/O Interfaces and Ports

USB 2.0

PHY

DSPI

Portable

Diagnostic

Machine

Graphics

Controller

Speaker

Receipt

Printer

Card Reader

10/100

PHY

MII

LAN

LCD

Display/

Touch Screen

10/100

PHY

Remote

Monitoring

Internet at the Pump

Audio Codec

Cash Scanner

Change Dispenser

PAN/WAN Interface

e.g. Bluetooth™

RFID

ZigBee™

MCF547x BLOCK DIAGRAM

Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc.

All other product or service names are the property of their respective owners.

USAGPSATMAPPFS

REV 4

Learn More: For more information about Freescale products, please visit www.freescale.com.

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