CyClone COMPACTPCI-824 user manual Hardware, Amcc Powerpc 440GX Processor, Byte Ordering

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HARDWARE

CHAPTER 2

HARDWARE

2.1AMCC POWERPC 440GX PROCESSOR

The AMCC PowerPC 440GX Embedded Processor is a member of AMCC’s PowerPC 400 family of microprocessors. The 440GX on the CPCI-824 combines a powerful 667 MHz PowerPC core with intelligent peripherals and is designed to optimize I/O processing tasks. The 440GX processor consoli- dates into a single system:

•AMCC PowerPC core.

•256 Kbyte L2 Cache.

•32 Kbyte Data and Instruction Caches. •PCI-X interface.

•High-Performance Memory Controller

•Interrupt Controller with 18 external interrupt inputs. •Four Direct Memory Access (DMA) Controllers.

•Two 10/100/1Gb Ethernet ports with TCP/IP acceleration hardware (TAH) •Two 10/100Mb Ethernet ports.

•Messaging Unit

•External Bus Control (EBC) interface. •Two I2C Bus Interface Units.

•Two 16750 compatible UARTS.

•Thirty two General Purpose Input Output (GXIO) ports.

For detailed descriptions of the 440GX, including programming information, consult the AMCC PowerPC 440GX User’s Manual.

2.2BYTE ORDERING

The CPCI-824 is configured to access external devices in big endian mode. The byte ordering determines which memory location stores the least significant byte of the operand. Big endian stores the most sig- nificant byte in the lowest address.

CPCI-824 User’s Manual

2-1

Revision 1.0, January 2006

 

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Contents Page Appendix B ContentsChapter Appendix aList of Tables List of FiguresContents Introduction CPCI-824 Block DiagramSdram General Introduction FeaturesEnvironmental General Introduction SpecificationsEnvironmental Specifications General Introduction CPCI-824 Physical ConfigurationApplied Micro Circuits Corporation Reference ManualsSoftware Development Byte Ordering Amcc Powerpc 440GX ProcessorHardware DDR Sdram Interface Hardware Memory MAPInterrupts DDR DDR SdramSdram Console Serial Port External InterruptsInterrupt InputGigabit Ethernet Port Console Serial Port Connector Pin Signal DescriptionEthernet Fast Ethernet Port LEDs 100 Fast Port Connector Pin Signal Description 10/100Base-TGigabit Ethernet Port LEDs Fast Ethernet PortUser LEDs During Initialization Hardware Peripheral BUSFlash ROM LedsGeographic Addressing Breeze Start-up LedsLED Tests 10 I2C BUS Power Supply MonitoringFAN Monitoring Jtag Emulator Support Sdram EepromJtag Emulator Pin Assignment Signal Physical Attributes PMC Module Signal DefinitionsST Device ND Device PMC Module ConnectorPMC Module Interface Module Idsel Addr IDSEL# Clock ArbitrationTable A-3. P21 PMC Module Connector Pinout Table A-4. P22 PMC Module Connector Pinout Signal Table A-5. P23 PMC Module Connector Pinout Table B-1 CPCI-824 J2 Definition Appendix B Cpci J2 Definition
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