1. ExCA Register Access Through I/O | Texas Instruments PCI7621

PCI7x21/PCI7x11 Configuration Registers

CardBus Socket/ExCA Base Address

16-Bit Legacy-Mode Base Address

Note: The 16-bit legacy-mode base address register is shared by function 0 and 1 as indicated by the shading.

Host I/O Space

Offset

10h	Index
	Data
44h

PC Card A

ExCA

Registers

PC Card B

ExCA

Registers

Offset

00h

3Fh

40h

7Fh

Offset of desired register is placed in the index register and the data from that location is returned in the data register.

Figure 5−1. ExCA Register Access Through I/O

PCI7x21/PCI7x11 Configuration Registers

Offset

CardBus Socket/ExCA Base Address

10h

Host

Memory Space

CardBus

Socket A

Registers

Offset

00h

Host

Memory Space

Offset

16-Bit Legacy-Mode Base Address	44h

Note: The CardBus socket/ExCA base address mode register is separate for functions 0 and 1.

ExCA

Registers

Card A

	20h

	800h	CardBus
	800h	Socket B
		Socket B
		Registers
	844h
	844h

		ExCA
		Registers
		Card B

00h

20h

800h

844h

Offsets are from the CardBus socket/ExCA base address register’s base address.

Figure 5−2. ExCA Register Access Through Memory

5−2

Page 130

Image 130

Texas Instruments PCI7621, PCI7411, PCI7611, PCI7421 manual 1. ExCA Register Access Through I/O

Contents

Data Manual Important Notice Contents −10 PC Card Controller Programming Model −1 ExCA Compatibility Registers Functions 0 and 1 −1 Ohci Registers −1 Ohci Controller Programming Model −1Vii TI Extension Registers −1 PHY Register Configuration 10−1Viii Flash Media Controller Programming Model −1 SD Host Controller Programming Model −1 Smart Card Controller Programming Model −1 Electrical Characteristics −1 Mechanical Information 15−1 List of Illustrations Xii List of Tables Xiii Functions 0 and 1 PCI Configuration Register Map Xiv Title −13 Xvi Xvii Xviii Controller Functional Description 1 PCI7621 Controller 2 PCI7421 Controller 3 PCI7611 Controller 4 PCI7411 Controller PCI Bus Power ManagementPower Switch Interface Multifunctional Terminals Features PCI Bus Interface Specification for PCI-to-CardBus Bridges PCI Local Bus Specification Revision Related Documents Trademarks −1. Terms and Definitions Terms and DefinitionsOrdering Information Term DefinitionsPage Terminal Descriptions −2. PCI7421 GHK/ZHK-Package Terminal Diagram −3. PCI7611 GHK/ZHK-Package Terminal Diagram −4. PCI7411 GHK/ZHK-Package Terminal Diagram −1. Signal Names by GHK Terminal Number Terminal Signal Name Number VCC BresetACC/BE2 VCC Acperr SCVCC5V ScclkBCC/BE0 BCE1 Latch RIOUT/PME Grst FrameGNT Perr Vsspll −2. CardBus PC Card Signal Names Sorted Alphabetically Signal Name Terminal Number Perr Trdy GND SdcmdPC2TEST3 Prst GND −3 -Bit PC Card Signal Names Sorted Alphabetically Signal Terminal Signal Name Number −12 Detailed Terminal Descriptions −13 −4. Power Supply Terminals −14 −6. PCI System Terminals −5. PC Card Power Switch Terminals−15 −7. PCI Address and Data Terminals −16 −8. PCI Interface Control Terminals −17 −9. Multifunction and Miscellaneous Terminals −18 −10 -Bit PC Card Address and Data Terminals −11 -Bit PC Card Interface Control Terminals Stschg AOE −12. CardBus PC Card Interface System Terminals PCIO3 Vccb −13. CardBus PC Card Address and Data Terminals BCAD0 −14. CardBus PC Card Interface Control Terminals BCCD2 Cstop −15. Ieee 1394 Physical Layer Terminals −26 −17. Memory Stick/PRO Terminals −16. SD/MMC Terminals−27 −18. Smart Media/XD Terminals −28 −19. Smart Card Terminals † −30 SD/MMC MS/MSPRO Power Supply SequencingEeprom SD/MMC Peripheral Component Interconnect PCI Interface I/O CharacteristicsClamping Voltages 1 1394 PCI Bus Master Serial Eeprom I2C Bus Device ResetsVCC Grst Prst Pclk Functions 0 and 1 CardBus Subsystem Identification ROM A1 SCL A2 SDA VCC Function 3 Flash Media Subsystem Identification PC Card ApplicationsFunction 2 Ohci 1394 Subsystem Identification Function 4 SD Host Subsystem Identification Low Voltage CardBus Card Detection PC Card Insertion/Removal and RecognitionUltraMedia Card Detection CD2//CCD2 CD1//CCD1 VS2//CVS2 VS1//CVS1 Flash Media Card Detection−2. PC Card-Card Detect and Voltage Sense Connections VCC VPP/VCORE −4. TPS2228 Control Logic-xVCC Internal Ring Oscillator−3. TPS2228 Control Logic-xVPP/VCORE −5. TPS2226 Control Logic-xVPP Spkrout and Caudpwm Usage LED Socket Activity IndicatorsIntegrated Pullup Resistors for PC Card Interface Spkrout Binaryspkr −7. CardBus Socket Registers CardBus Socket Registers11 48-MHz Clock Requirements LED Serial-Bus Interface Implementation Accessing Serial-Bus Devices Through SoftwareSerial Eeprom Interface Serial-Bus Interface Protocol −7. Serial-Bus Start/Stop Conditions and Bit Transfers −8. Serial-Bus Protocol Acknowledge Serial-Bus Eeprom Application −10. Serial-Bus Protocol-Byte Read Serial ROM Byte Description Offset −9. Eeprom Loading MapGPE PCI 2Dh, subsystem vendor ID, byte LinkEnh HCControl.Program Phy EnablePCI 2Ch, subsystem vendor ID, byte PCI 2Eh, subsystem ID, byte Programmable Interrupt Subsystem −10. Interrupt Mask and Flag Registers PC Card Functional and Card Status Change InterruptsCard Type Event Mask Flag Interrupt Masks and Flags Card Type Event Signal Description−11. PC Card Interrupt Events and Description Using Parallel IRQ Interrupts Using Parallel PCI Interrupts SMI Support in the PCI7x21/PCI7x11 Controller Power Management OverviewUsing Serialized Irqser Interrupts −12. Interrupt Pin Register Cross Reference 1 1394 Power Management Function CardBus Functions 0 and 1 Clock Run Protocol CardBus PC Card Power ManagementIntegrated Low-Dropout Voltage Regulator LDO-VR Supply VCC Vren Vrport Requirements for Suspend Mode 5 16-Bit PC Card Power ManagementSuspend Mode Reset GNT Suspend Pclk Cstsmask CSC Ringen RI Cdresume Ring IndicateRienb Riout −15. Power-Management Registers PCI Power ManagementPower-management control/status CSR −17. Function 3 Power-Management Registers CardBus Bridge Power Management−16. Function 2 Power-Management Registers −18. Function 4 Power-Management Registers Master List of PME Context Bits and Global Reset-Only Bits Acpi Support −28 −29 Ieee 1394 Application Information PHY Port Cable Connection Crystal Selection −31 Cphy + CBD Bus Reset−32 −33 −34 −2. Functions 0 and 1 PCI Configuration Register Map PCI Configuration Register Map Functions 0−1. Bit Field Access Tag Descriptions Access TAG Name Meaning Vendor ID Register Vendor ID Device ID Register Functions 0 Device ID-Smart Card enabledDevice ID −3. Command Register Description Command RegisterCommand BIT Signal Type Function Status Status Register−4. Status Register Description Class Code Register Revision ID RegisterCache Line Size Register Header Type Register Latency Timer RegisterRegister Latency timer Bist Register CardBus socket registers/ExCA base address CardBus Socket Registers/ExCA Base Address RegisterCapability Pointer Register Register Capability pointer Secondary status Secondary Status Register−5. Secondary Status Register Description CardBus Bus Number Register PCI Bus Number RegisterSubordinate Bus Number Register CardBus Memory Base Registers 0 CardBus Latency Timer RegisterRegister CardBus latency timer Memory base registers 0 Memory limit registers 0 CardBus Memory Limit Registers 0CardBus I/O Base Registers 0 Base registers 0 Limit registers 0 CardBus I/O Limit Registers 0Interrupt Line Register Register Interrupt line Interrupt Pin Register Interrupt pin − PCI function −6. Interrupt Pin Register Cross Reference Bridge Control RegisterInterrupt pin Bridge control Subsystem Vendor ID Register Subsystem vendor ID Subsystem ID Subsystem ID RegisterPC Card 16-Bit I/F Legacy-Mode Base-Address Register PC Card 16-bit I/F legacy-mode base-address System control System Control Register−8. System Control Register Description −8 . System Control Register Description Mccd Debounce Register Register Mccd debounce General control General Control RegisterGeneral control −9. General Control Register Description General-purpose event status General-Purpose Event Status Register−10. General-Purpose Event Status Register Description General-Purpose Event Enable Register General-Purpose Input Register General-purpose output General-Purpose Output Register−13. General-Purpose Output Register Description Multifunction routing status Multifunction Routing Status Register−14. Multifunction Routing Status Register Description Retry status Retry Status Register−15. Retry Status Register Description Card control Card Control Register−16. Card Control Register Description Device control Device Control Register−17. Device Control Register Description Diagnostic Diagnostic Register−18. Diagnostic Register Description Register Capability ID Capability ID RegisterNext Item Pointer Register Register Next item pointer Power management capabilities Power Management Capabilities Register−19. Power Management Capabilities Register Description Power management control/status Power Management Control/Status Register−20. Power Management Control/Status Register Description Power-management data Power-Management Data RegisterPower management control/status bridge support extensions Bpccen Serial bus data Serial Bus Data RegisterSerial Bus Index Register −22. Serial Bus Data Register Description −24. Serial Bus Slave Address Register Description Serial Bus Slave Address RegisterRegister Serial bus slave address Rwcmd Serial bus control/status Serial Bus Control/Status Register−25. Serial Bus Control/Status Register Description −38 ExCA Compatibility Registers Functions 0 −1. ExCA Register Access Through I/O −1. ExCA Registers and Offsets Exca Register Name PCI Memory Address Exca Offset Offset HEX −2. ExCA Identification and Revision Register Description ExCA Identification and Revision RegisterExCA identification and revision Iftype ExCA interface status ExCA Interface Status Register−3. ExCA Interface Status Register Description ExCA power control ExCA Power Control Register−4. ExCA Power Control Register Description-82365SL Support Register ExCA interrupt and general control ExCA Interrupt and General Control Register−6. ExCA Interrupt and General Control Register Description ExCA card status-change ExCA Card Status-Change Register−7. ExCA Card Status-Change Register Description ExCA Card Status-Change Interrupt Configuration Register Register ExCA card status-change interrupt configuration ExCA address window enable ExCA Address Window Enable Register−9. ExCA Address Window Enable Register Description ExCA I/O window control ExCA I/O Window Control Register−10. ExCA I/O Window Control Register Description ExCA I/O Windows 0 and 1 Start-Address Low-Byte Registers ExCA I/O Windows 0 and 1 Start-Address High-Byte Registers ExCA I/O Windows 0 and 1 End-Address Low-Byte Registers ExCA I/O Windows 0 and 1 End-Address High-Byte Registers ExCA Memory Windows 0−4 Start-Address Low-Byte Registers ExCA Memory Windows 0−4 Start-Address High-Byte Registers ExCA Memory Windows 0−4 End-Address Low-Byte Registers ExCA Memory Windows 0−4 End-Address High-Byte Registers ExCA Memory Windows 0−4 Offset-Address Low-Byte Registers ExCA Memory Windows 0−4 Offset-Address High-Byte Registers ExCA Card Detect and General Control Register ExCA card detect and general control ExCA global control ExCA Global Control Register−15. ExCA Global Control Register Description ExCA I/O Windows 0 and 1 Offset-Address Low-Byte Registers ExCA I/O Windows 0 and 1 Offset-Address High-Byte Registers ExCA Memory Windows 0−4 Page Registers Register ExCA memory windows 0−4 CardBus Socket Registers Functions 0 Socket event Socket Event Register−2. Socket Event Register Description Socket mask Socket Mask Register−3. Socket Mask Register Description Socket present state Socket Present State Register−4. Socket Present State Register Description Socket Force Event Register Socket force event −5. Socket Force Event Register Description Socket control Socket Control Register−6. Socket Control Register Description Socket power management Socket Power Management Register−7. Socket Power Management Register Description −1. Function 2 Configuration Register Map Pmcsrbse Device ID Register −2. Command Register Description BIT Field Name Type Description −3. Status Register Description Class Code and Revision ID Register Latency Timer and Class Cache Line Size RegisterLatency timer and class cache line size Class code and revision ID Header Type and Bist Register Ohci Base Address Register TI extension base address TI Extension Base Address Register−8. TI Base Address Register Description CardBus CIS base address CardBus CIS Base Address RegisterCardBus CIS Pointer Register −9. CardBus CIS Base Address Register Description Subsystem Identification Register Power Management Capabilities Pointer RegisterPower management capabilities pointer Subsystem identification BIT Field Name Type Description Intrline −11. Interrupt Line Register DescriptionRegister Interrupt pin 01h Inta 02h Intb 03h Intc Bits Intsel Minimum Grant and Maximum Latency Register Ohci Control Register Nextitem Capability ID and Next Item Pointer RegistersCapability ID and next item pointer Capabilityid −16. Power Management Capabilities Register Description Power management control and status Power Management Control and Status RegisterPower Management Extension Registers Power management extension −19. PCI PHY Control Register Description PCI PHY Control RegisterPCI PHY control Cnaout PCI miscellaneous configuration PCI Miscellaneous Configuration Register−20. PCI Miscellaneous Configuration Register Description Link enhancement control Link Enhancement Control Register−21. Link Enhancement Control Register Description −22. Subsystem Access Register Description Subsystem Access RegisterSubsystem access Subdevid Gpio control Gpio Control Register−23. Gpio Control Register Description GPIODATA1 Disablebmc GPIO0GPIOENB1 GPIO1 = GPIO0 DMA Context Register Name Abbreviation Offset −1. Ohci Register MapGuid ROM Guidrom PhysicalRequestFilterHiClear IsoRecvIntEventClearIsochronous receive interrupt mask IsoRecvIntMaskSet Physical request filter low PhysicalRequestFilterLoSet ContextControlClear Isochronous receive context commandAsynchronous context control ContextControlSet Request Transmit Reserved Ohci version Ohci Version Register−2. Ohci Version Register Description Guid ROM Guid ROM Register−3. Guid ROM Register Description RSU Asynchronous transmit retries Asynchronous Transmit Retries RegisterCSR Data Register −4. Asynchronous Transmit Retries Register Description CSR compare CSR Compare RegisterCSR Control Register CSR control −6. Configuration ROM Header Register Description Configuration ROM Header RegisterConfiguration ROM header Bus Identification Register Bus options Bus Options Register−7. Bus Options Register Description Guid high Guid High RegisterGuid Low Register Guid low Configuration ROM Mapping Register Posted Write Address Low Register Posted write address high Posted Write Address High Register−10. Posted Write Address High Register Description −11. Host Controller Control Register Description Host Controller Control RegisterHost controller control RSU RSC Rscu Self-ID buffer pointer Self-ID Buffer Pointer RegisterLPS RSC Self-ID count Self-ID Count Register−12. Self-ID Count Register Description Isochronous Receive Channel Mask High Register Isochronous receive channel mask high Isochronous Receive Channel Mask Low Register Isochronous receive channel mask low −15. Interrupt Event Register Description Interrupt Event RegisterInterrupt event RSC Rscu Arrs Rscu Arrq Rscu Interrupt mask MasterIntEnableInterrupt Mask Register −16. Interrupt Mask Register Description Arrq RSC Arrs RSCGeneration Isochronous Transmit Interrupt Event Register Isochronous transmit interrupt event Isochronous Transmit Interrupt Mask Register Isochronous transmit interrupt mask Isochronous Receive Interrupt Event Register Reserved. Bits 31−4 return 0s when readIsochronous receive interrupt event Isochronous receive interrupt mask Isochronous Receive Interrupt Mask RegisterInitial Bandwidth Available Register Initial bandwidth available Initial Channels Available High Register Initial Channels Available Low Register −22. Fairness Control Register Description Fairness Control RegisterFairness control Value for this field is 00h Link control Link Control Register−23. Link Control Register Description Node identification Node Identification Register−24. Node Identification Register Description PHY layer control PHY Layer Control Register−25. PHY Control Register Description Isochronous cycle timer Isochronous Cycle Timer Register−26. Isochronous Cycle Timer Register Description Asynchronous request filter high Asynchronous Request Filter High Register−27. Asynchronous Request Filter High Register Description From that node are accepted Asynchronous request filter low Asynchronous Request Filter Low Register−28. Asynchronous Request Filter Low Register Description −29. Physical Request Filter High Register Description Physical Request Filter High RegisterPhysical request filter high PhysReqAllBusses That node are handled through the physical request context Physical request filter low Physical Request Filter Low RegisterPhysical Upper Bound Register Optional Register −30. Physical Request Filter Low Register Description −31. Asynchronous Context Control Register Description Asynchronous Context Control RegisterAsynchronous context control Rscu RSU Asynchronous context command pointer Asynchronous Context Command Pointer RegisterDescriptorAddress Isochronous transmit context control Isochronous Transmit Context Control RegisterRSC RSU Isochronous Receive Context Control Register Isochronous Transmit Context Command Pointer RegisterIsochronous transmit context command pointer Isochronous receive context control MultiChanMode When software clears bit 15 runNot be changed while bit 10 active or bit 15 run is set to Context match register see .46 is ignored Isochronous receive context command pointer Isochronous Receive Context Command Pointer RegisterIsochronous receive context command pointer −43 Isochronous receive context match Isochronous Receive Context Match Register−35. Isochronous Receive Context Match Register Description Link Enhancement Control Set DV and MPEG2 Timestamp Enhancements−1. TI Extension Register Map Link Enhancement Control Clear A8Ch Isochronous Receive Digital Video Enhancements Register Isochronous Receive Digital Video EnhancementsIsochronous receive digital video enhancements CIPStrip1 Reserved. Bits 7 and 6 return 0s when read420h/424h see .44 is cleared to Ohci offset 420h/424h see .44 is cleared to Link enhancement Reserved. Bit 11 returns 0 when read 10 ‡Link Enhancement Register −3. Link Enhancement Register Description Timestamp offset Timestamp Offset Register−4. Timestamp Offset Register Description Page Address BIT Position −1. Base Register ConfigurationBase Registers RHB IBR Field Size Type Description −2. Base Register Field DescriptionsRHB Timeout Long bus reset being performedLLC to service the interrupt Is unaffected by bus reset −4. Page 0 Port Status Register Field Descriptions −3. Page 0 Port Status Register ConfigurationPort Status Register BIT Position Address Vendor Identification Register −5. Page 1 Vendor ID Register ConfigurationHardware reset and is unaffected by bus reset −6. Page 1 Vendor ID Register Field Descriptions −8. Page 7 Vendor-Dependent Register Field Descriptions −7. Page 7 Vendor-Dependent Register ConfigurationVendor-Dependent Register NPA Node does not need power and does not repeat power Power-Class Programming−9. Power Class Descriptions PC0-PC2 Description 10−8 −1. Function 3 Configuration Register Map Flash Media Controller Programming Model 11−2 Stepenb Pcispeed Devsel Storage controller Programming interface. This field returns 00h when readIs deasserted Flash media base address Flash Media Base Address Register−7. Flash Media Base Address Register Description Subsystem vendor identification Subsystem Vendor Identification RegisterCapabilities Pointer Register Capabilities pointer Intsel Bits Useinta Intpin −8. PCI Interrupt Pin Register11−8 Minimum Grant Register Maximum Latency Register This field returns 00h when read −12. Power Management Capabilities Register Description Pmeen Power Management Bridge Support Extension RegisterPmestat RCU PME Rsvd Power management data Power Management Data Register−14. General Control Register SubsystemVendorID −15. Subsystem Access Register DescriptionRegister at PCI offset 2Ch 11−14 Tbdctrl −16. Diagnostic Register DescriptionDiagnostic Plln 11−16 Slot information −1. Function 4 Configuration Register MapMaximum current 12−2 Transactions therefore, bit 4 returns 0 when read Therefore, bit 9 returns 0 when readBit 5 returns 0 when read Bit 3 returns 0 when read Syserr RCU DMA capabilities Peripheral12−5 Read Memory-read line, and memory-read multiple transactions12−6 −7. SD host Base Address Register Description SD Host Base Address RegisterSD host base address Type 12.12 Interrupt Line Register 12−8 Space see Section 12−9 −11. Maximum Latency Register Description Slot Information RegisterRegister Maximum latency Numberslots 12−11 Controller to generate PME −13. Power Management Capabilities Register DescriptionDriver is able to use it Revision 12−12 Register Power management bridge support extensionEnable. Enables Signaling 12−13 Dmaen −15. General Control Register01 = Intb 10 = Intc 11 = Intd Dmasupport bit of each SD host socket is Reserved. Bits 31−17 return 0s when read −16. Subsystem Access Register Description−17. Diagnostic Register Description Register at PCI offset 2Ch Slot 1 3.3-V Maximum Current Register Slot 0 3.3-V Maximum Current RegisterSlot 2 3.3-V Maximum Current Register Slot 4 3.3-V Maximum Current Register Slot 3 3.3-V Maximum Current RegisterSlot 5 3.3-V Maximum Current Register 12−18 1Ch−28h −1. Function 5 Configuration Register Map60h−FCh 13−2 Intdis Seren Intstat Is enabled and the Smart Card controller hasTabtsig RCU 13−4 Offset 08h Type Read-only Default 0780 0000h Card is a multifunction device Smart Card Base Address RegisterSmart Card base address register Smart Card base address register Smart Card base address register 1−4 Smart Card Base Address Register 1−413−7 13.13 Interrupt Line Register 13−8 −8. Minimum Grant Register Description −7. PCI Interrupt Pin RegisterSpace see Section 13−9 −9. Maximum Latency Register Description 13−10 PMED2 −11. Power Management Capabilities Register DescriptionPMED3HOT PMED1 PMED0 D2SUPPORT Dstate PME Grst Rsvd13−12 −13. General Control Register Gated to reduce power consumptionPin = 01 = Intb pin = 10 = Intc pin = 11 = Intd pin = Subsystem ID alias Subsystem ID Alias RegisterClass Code Alias Register −14. Subsystem ID Alias Register Description Smart Card configuration Smart Card Configuration 1 RegisterSmart Card configuration 13−15 −15. Smart Card Configuration 1 Register Description Pwrupdelay Smart Card Configuration 2 Register−16. Smart Card Configuration 2 Register Description Reserved. Bits 7−0 return 0s when read 13−17 13−18 Operation MIN NOM MAX Unit Absolute Maximum Ratings Over Operating Temperature Ranges†Recommended Operating Conditions see Note Avdd VCC VDPLL15 VDPLL33 Vccp Recommended Operating Conditions TJ# Parameter Terminals Operation Test Conditions MIN MAX Unit 14.4.3 Receiver 14.4.1 Device14.4.2 Driver Parameter Test Condition MIN MAX Unit Parameter Alternate Test Conditions MIN MAX Unit Switching Characteristics for PHY Port InterfaceOperating, Timing, and Switching Characteristics Parameter Test Conditions MIN TYP MAX Unit Mechanical Information 15−2 Package Option Addendum