SDI Technologies SDIO Card manual Appendix C, Abbreviations and Terms

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	©Copyright 2000-2007 SD Card Association
SDIO Simplified Specification Version 2.00
	Appendix C
C.1 Abbreviations and Terms
3C	The original 3 companies that established the SDA and the SD card
	specification
ACMD	Application CommanD An additional set of commands created to support SD
	specific requirements.
Block	A number of bytes, basic data transfer unit
CCCR	Common Card Control Registers
CD	Connect/Disconnect
CIA	Common Information Area
CID	Card IDentification number register
CIS	Card Information Structure
CLK	Clock signal
CMD	Command line or SD bus command (if extended CMDXX)
Combo Card	A card that includes both SDIO and SD memory
CRC	Cyclic Redundancy Check
CS	Chip or Card Select
CSA	Code Storage Area
CSD	Card Specific Data register
DAT[x]	Data line where x is in the range of 0 to 3
DSR	Driver Stage Register
ECC	Error Correction Code
Embedded SDIO	I/O or combo devices that are embedded in a host device that utilize the SDIO
	electrical and command interface, but are not intended to be removed.
EMI	Electro-Magnetic Interference
ESC	External Signal Contacts
ESD	Electro-Static Discharge
FAT	File Allocation Table
FBR	Function Basic Registers
FIFO	First In-First Out buffer
Flash	A type of multiple time programmable non volatile memory
Full-Size SDIO Card	A SDIO card with physical dimensions based on SD Physical Specification
	Version 1.01
Function	An I/O device contained within an SDIO card
High-Power SDIO	A SDIO device that requires up to 500 mA rather than the standard 200 mA
	allowed for a Standard-Power SDIO device
hi-Z	A three-state driver in the high-impedance state
Interrupt	A signal from the SDIO device to the host signaling the need for attention
Interrupt Period	The times that a card may generate an interrupt signal on the SD bus
Legacy Slot	SD Slot that supports only the SD Physical Specification Version 1.01

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Contents SD Specifications Part E1 Sdio Simplified Specification Date Version Sdio Simplified Specification VersionChanges compared to previous issue Release of SD Simplified Specification Conventions Used in This Document Table of Contents SPI and SD 1-bit Mode Interrupts 16.2 Table of Tables Table of Figures Standard Sdio Functions Sdio FeaturesGeneral Description Primary Reference DocumentSdio Host Modes Sdio Signaling DefinitionSdio Card Types Sdio Card modesSignal connection to two 4-bit Sdio cards Signal PinsDifferences in I/O card Initialization ResetSdio Card Initialization Sdio Simplified Specification Version MEM=0 Card initialization flow in SD mode Sdio aware host Illegal Command F8=0 Card initialization flow in SPI mode Sdio aware host OCR bit Iosendopcond Command CMD5VDD Voltage Window Position OCR Values for CMD5Iosendopcond Response R4 Response R4 in SD modeRe-initialize both I/O and Memory Acceptable Commands after InitializationRecommendations for RCA after Reset Special Initialization considerations for Combo CardsRe-Initialization Flow for Memory controller Re-Initialization Flow for I/O ControllerEnabling CRC in SPI Combo Card Unsupported SD Memory Commands Differences with SD Memory SpecificationSdio Command List Bus Width Reset for SdioModified R6 Response Card Detect Resistor States Card Detect ResistorTimings Combo Card 4-bit ControlRead Abort Data Transfer Block SizesData Transfer Abort Changes to SD Memory Fixed RegistersRCA Register OCR RegisterCID Register CSD RegisterBit Identifier Type Value Description Sdio Status Register StructureClear Iorwdirect Command CMD52 New I/O Read/Write Commands1 CMD52 Response SD modes ComcrcerrorIllegalcommand Iorwdirect Response R5TRN=Transfer DIS=DisabledIdentifier Type Value Description Clear Condition CMD=DAT lines freeCRC Iorwextended Command CMD53Iorw Extended command Op Code Definition OP code Command operation1 CMD53 Data Transfer Format Byte Count ValuesInterrupts Register Access TimeSdio Card Internal Operation OverviewSdio Fixed Internal Map Suspend/ResumeRead Wait CMD52 During Data TransferCard Common Control Registers Cccr Common I/O Area CIAIOE3 Card Common Control Registers CccrType CCCR/SDIOTo abort transfers to/from memory Scsi 4BLS Transaction of function 0 CIA Empc Cccr bit DefinitionsField Type Function Basic Registers FBRAddress Function Basic Information Registers FBRFBR bit and field definitions Sdio Simplified Specification Version Field TypeCard Information Structure CIS and reserved area of CIA Setting Block Size with CMD53Card Information Structure CIS Multiple Function Sdio CardsState Diagram for Bus State Machine Bus State DiagramCSA Data Format CSA AccessEmbedded I/O Code Storage Area CSA Interrupt Timing Sdio InterruptsInterrupt Clear Timing Terminated Data Transfer Interrupt CycleSdio Suspend/Resume Operation Sdio Read Wait Operation Master Power Control Power ControlPower Control Overview Power Control support for Sdio CardsReference Tuples by Master Power Control and Power Select Power Control Support for the Sdio HostPower Selection High-Power TuplesPower Control Operation Switching Bus Speed Mode in a Combo Card High-Speed ModeSdio High-Speed Mode Sdio Physical Properties Sdio PowerSdio Simplified Specification Version Inrush Current Limiting Byte Order Within Tuples CIS FormatsCIS Reference Document Basic Tuple Format and Tuple Chain StructureCode Name Description Tuple VersionSdio Card Metaformat Tuples Supported by Sdio CardsCistplfuncid Function Identification Tuple Cistplmanfid Manufacturer Identification String TupleSdio Specific Extensions Cistplmanfid Manufacturer Identification TupleTplfidfunction Tuple for Function 0 common Cistplfunce Function Extension TupleCistplfunce Tuple General Structure Cistplfunce Tuple for Function 0 commonByte Cistplfunce Tuple for FunctionTplfidfunction Tuple for Function Sdio Simplified Specification Version Bit Name Tplfidfunction Field Descriptions for Functions10 Tplfefunctioninfo Definition 11 Tplfecsaproperty Definition13 Cistplsdioext Tuple Reserved for Sdio Cards Cistplsdiostd Function is a Standard Sdio Function12 Cistplsdiostd Tuple Reserved for Sdio Cards Cistplsdioext Tuple Reserved for Sdio CardsNormative SD and SPI Command ListTable A-14 SD Mode Command List Sdmem Sdio Table A-15 SPI Mode Command ListNormative References Appendix BAbbreviations and Terms Appendix CLOW, High Informative