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