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