Texas Instruments manual PCI445X Device, Topic

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Chapter 1

PCI445X Device

This implementation guide assists platform hardware developers designing with the PCI445X dual socket PC card and 1394 open host controller interface (OHCI) link layer controller (LLC). The PCI445X designation refers to any device in the PCI445X family, for example, the PCI4450 or PCI4451 device.

The document includes an overview of the PCI445X function and features, terminal assignments and pinout illustrations, PCI445X I/O electrical characteristics, identification of required passive components and recommendations for system implementation, and PHY/Link interface signal isolation considerations.

Advantages of the PCI445X device:

G_RST (Section 1.1.2)

Internal ring oscillator (Section 1.3.1)

Zoomed video auto-detect function (Sections 1.1.4, 1.3.2)

Integrated IEEE1394 OHCI link layer controller

Topic		Page

1.1	System Features Selection	. . 1-3
1.2	System Implementation	. . 1-8
1.3	Sample PCI445X EEPROM Data File	. 1-12
1.4	BIOS Consideration	. 1-19
1.5	Important Information	. 1-22

1-1

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Contents Implementation Guide Important Notice About This Manual Read This FirstCsr ±a /user/ti/simuboard/utilities Related Documentation From Texas Instruments Page Contents Viii Figures Tables Topic PCI445X Device±1. Typical System Architecture System Features Selection Distributed DMA Ddma Socket Power SwitchesOptional PCI Signals PCI and ISA Style InterruptSerialized Interrupt Control Socket Activity LEDsMFUNC7±MFUNC0 Terminal Assignments Miscellaneous Functions DescriptionMemory Burst R/W Operation Control CardBus Reserved Terminal SignalingPower Savings Mode Asynchronous CSC Interrupt GenerationZV Port Control and Auto Detect Function Socket Power Lock12.9 SMI 12.11VCC ProtectionPERR, SERR, and Lock System ImplementationClamping Rails PCI Bus InterfaceINTA, INTB, and Intc Prst PCI reset and Grst Global resetDamping resistor on Cclk terminal 4 2-Wire I2C Interface for EepromSocket power supply PC Card InterfaceEeprom ±1. Registers and Bits Loadable Through Serial EepromSample PCI445X Eeprom Data File System Implementation Zoomed Video ZV Interface 1 P2C Interface for TPS22X6 Power SwitchMiscellaneous Signals Interrupt Signaling Interface±2. PC Card Interface Pullup Resistor List² ³ Requirement of Pullup/Pulldown Resistors±4. Miscellaneous Terminals Pullup Resistor List ±3. PCI Bus Interface Pullup Resistor ListLPS ±5. Required Pullup/Pulldown ResistorsPCI Standard Registers Initialization Bios ConsiderationsInitialization PCI TI Proprietary Registers Initialization System Sleeping State ConsiderationDocking System Consideration Register save/restoreImportant Information Topic Global Reset Only Bits, PME Context BitsTable A±1.Global Reset Only Cleared Bits Global Reset Only Bits/PME Context BitsTable A±2.PME Context Bits Page PME and RI Behavior PME and RI Behavior Table B±1.CardBus Ctschg and Wake-Up Signals Truth TablePCI445X Buffer Types PCI445X Buffer Types Signal Name Terminal TypeACVS2 BCAD22 GND PHYDATA6 ZVUV4 TSO Buffer Type Description Table C±2. Buffer Type Abbreviations