±1. Typical System Architecture | Texas Instruments PCI445X specification

Figure 1±1 illustrates a platform using the PCI445X device along with the TSB41LV03 3-port PHY, which provides the necessary interface to implement a 3-port IEEE1394 node.

Figure 1±1. Typical System Architecture

	CPU	North	Memory
		Bridge

PCI Bus

South	Sound	Graphics		19
South	Sound	Graphics		PCI445X
Bridge	Controller	Controller		PCI445X
Bridge	Controller	Controller		ZV
				ZV
						Socket
		Audio	4		Power	Power
		Audio	4	14	Power
		Codec		14	Switch
		Codec			Switch

PC Card	2
PC Card										EEPROM

Interrupt / PME / RI
Interrupt / PME / RI

		TSB41LV03A
				PHY

1-2

Image 12

Texas Instruments PCI445X manual ±1. Typical System Architecture

Contents

Implementation Guide Important Notice Read This First About This Manual Csr ±a /user/ti/simuboard/utilities Related Documentation From Texas Instruments Page Contents Viii Figures Tables PCI445X Device Topic ±1. Typical System Architecture System Features Selection Socket Power Switches Optional PCI SignalsPCI and ISA Style Interrupt Distributed DMA Ddma Socket Activity LEDs MFUNC7±MFUNC0 Terminal AssignmentsMiscellaneous Functions Description Serialized Interrupt Control CardBus Reserved Terminal Signaling Power Savings ModeAsynchronous CSC Interrupt Generation Memory Burst R/W Operation Control Socket Power Lock 12.9 SMI12.11VCC Protection ZV Port Control and Auto Detect Function System Implementation Clamping RailsPCI Bus Interface PERR, SERR, and Lock Prst PCI reset and Grst Global reset INTA, INTB, and Intc 4 2-Wire I2C Interface for Eeprom Socket power supplyPC Card Interface Damping resistor on Cclk terminal ±1. Registers and Bits Loadable Through Serial Eeprom Eeprom Sample PCI445X Eeprom Data File System Implementation 1 P2C Interface for TPS22X6 Power Switch Zoomed Video ZV Interface Interrupt Signaling Interface Miscellaneous Signals Requirement of Pullup/Pulldown Resistors ±2. PC Card Interface Pullup Resistor List² ³ ±3. PCI Bus Interface Pullup Resistor List ±4. Miscellaneous Terminals Pullup Resistor List ±5. Required Pullup/Pulldown Resistors LPS Bios Considerations InitializationPCI Standard Registers Initialization System Sleeping State Consideration PCI TI Proprietary Registers Initialization Register save/restore Docking System Consideration Important Information Global Reset Only Bits, PME Context Bits Topic Global Reset Only Bits/PME Context Bits Table A±1.Global Reset Only Cleared Bits Table A±2.PME Context Bits Page PME and RI Behavior Table B±1.CardBus Ctschg and Wake-Up Signals Truth Table PME and RI Behavior PCI445X Buffer Types Signal Name Terminal Type PCI445X Buffer Types ACVS2 BCAD22 GND PHYDATA6 ZVUV4 TSO Table C±2. Buffer Type Abbreviations Buffer Type Description