August
PCI Bus Solutions
Implementation Guide
SCPU007
IMPORTANT NOTICE
About This Manual
How to Use This Manual
Read This First
Notational Conventions
byte value1 , ... , valuen
asect ªsection nameº, address
LALK 16±bit constant , shift
C csr ±a /user/ti/simuboard/utilities
TSB41LV03A Data Sheet, SLLS364
PCI4450 GFN/GJG PC Card and OHCI Controller Data Sheet, SCPS046
OHCI.Lynx Configuration Information Application Report, SLLA077
Related Documentation From Texas Instruments
Page
Contents
A Global Reset Only Bits, PME Context Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
1±3 EEPROM 2-Wire Interface 1±4 TPS22X6 Power Switch Interface
Figures
1±1 Typical System Architecture 1±2 Serialized Interrupt Signal
1±5 Example of a ZV Interface 1±6 Distributed DMA Signal Connection
Tables
Page
PCI445X Device
Chapter
Topic
Figure 1±1. Typical System Architecture
1.1.1 Package Types
1.1 System Features Selection
1.1.3 PME and RI Signaling
1.1.2 GRST and PRST
1.1.6 PCI and ISA Style Interrupt
1.1.7 Socket Power Switches
1.1.9 Optional PCI Signals
1.1.8 Distributed DMA DDMA
1.1.11 MFUNC7±MFUNC0 Terminal Assignments
Figure 1±2. Serialized Interrupt Signal
1.1.10 Socket Activity LEDs
1.1.12 Miscellaneous Functions Description
1.1.12.3 Asynchronous CSC Interrupt Generation
1.1.12.4 CardBus Reserved Terminal Signaling
1.1.12.6 Power Savings Mode
1.1.12.5 Memory Burst R/W Operation Control
1.1.12.11VCC Protection
1.1.12.10 Socket Power Lock
1.1.12.9 SMI
1.1.12.12 ZV Port Control and Auto Detect Function
1.2.2 PCI Bus Interface
1.2 System Implementation
1.2.1 Clamping Rails
PCLK, AD31±AD0, C/BE3±C/BE0, PAR, DEVSEL, FRAME, STOP
CLKRUN
PRST PCI reset and GRST Global reset
INTA, INTB, and INTC
Note Pullup Resistor Requirements
Socket power supply
1.2.4 2-Wire I2C Interface for EEPROM
Figure 1±3. EEPROM 2-Wire Interface
1.2.3 PC Card Interface
Register
Table 1±1. Registers and Bits Loadable Through Serial EEPROM
Register Offset
Bits Loaded From
1.3 Sample PCI445X EEPROM Data File
Following is an example EEPROM data file used with the PCI445X device
1D 0xFF 1E 0xFF 1F 0xFF
1.3.2 Zoomed Video ZV Interface
1.3.1 P2C Interface for TPS22X6 Power Switch
Figure 1±4. TPS22X6 Power Switch Interface
Figure 1±5. Example of a ZV Interface
Serialized Interrupt Interface
1.3.3 Interrupt Signaling Interface
1.3.4 Miscellaneous Signals
Parallel PCI Interrupt
Table 1±2. PC Card Interface Pullup Resistor List² ³
Figure 1±6. Distributed DMA Signal Connection
1.3.5 Requirement of Pullup/Pulldown Resistors
System Implementation
Table 1±3. PCI Bus Interface Pullup Resistor List
Table 1±4. Miscellaneous Terminals Pullup Resistor List
Pulldown Default
Table 1±5. Required Pullup/Pulldown Resistors
Signal
System Implementation
Latency timer PCI offset 0Dh 8-bit
1.4 BIOS Considerations
Command register PCI offset 04h 16-bit
CardBus latency timer register PCI offset 1Bh 8-bit
1.4.1.2 PCI TI Proprietary Registers Initialization
Power management control/status register PCI offset A4h 16-bit
1.4.2 System Sleeping State Consideration
1 SUSPEND
2 Register save/restore
1.4.3 Docking System Consideration
1.5.1 GRST Clamping Rail
1.5.4 Socket Power Control
1.5 Important Information
1.5.2 PME/RIOUT Bit Definition
Global Reset Only Bits, PME Context Bits
Appendix A
Topic
Page
A.1 Global Reset Only Bits/PME Context Bits
Table A±1.Global Reset Only Cleared Bits
Table A±2.PME Context Bits
Page
Topic
PME and RI Behavior
Appendix B
Page
Table B±1.CardBus CTSCHG and Wake-Up Signals Truth Table
Table B±2.16-Bit Card RI/STSCHG and Wake-Up Signals Truth Table
B.1 PME and RI Behavior
Topic
PCI445X Buffer Types
Appendix C
Page
PCI445X Buffer Types
Table C±1. PCI445X Terminal Function Assignment and Buffer Types
PCI445X Buffer Types
PCI445X Buffer Types
Signal Name
Signal Name
Terminal
PCI445X Buffer Types
Signal Name
Signal Name
Terminal
PCI445X Buffer Types
Signal Name
Signal Name
Terminal
PCI445X Buffer Types
Signal Name
Signal Name
Terminal
Buffer Type
Table C±2. Buffer Type Abbreviations
PCI445X Buffer Types
Description
