SDI Technologies SDIO Card manual Illegal Command F8=0

Page 17

©Copyright 2000-2007 SD Card Association

SDIO Simplified Specification Version 2.00

Re-init Memory

MEM=0

Illegal Command

F8=0

	Power On	Re-init IO
	IO=0, MEM=0	IO=0
	CMD0 CS=Low	CMD52 IO Reset
	CMD8	CMD8 is required to support
	CMD8	High Capacity Memory.
		High Capacity Memory.
	Check Response	Error Response
	Check Response
	Good Response
	F8=1	Unusable card
		Unusable card

Skip IO Initialize or IO=1

Test IO Flag

Execute IO Initialize & IO=0

CMD5 Arg=0

Get IO OCR

Illegal Command	Check Response		NF=0 or OCR invalid
	Check Response
	NF>0 & OCR valid
	Set New Voltage (if needed)
	CMD5 Arg=WV
IORDY=0	Check Response		1sec Timeout
	Check Response
	IORDY=1
	IO=1	IO Initialized
	Test MP		MP=0
	Test MP
	MP=1
	C		D

8

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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 General Description Sdio FeaturesPrimary Reference Document Standard Sdio FunctionsSdio Card Types Sdio Signaling DefinitionSdio Card modes Sdio Host 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 VDD Voltage Window Position Iosendopcond Command CMD5OCR Values for CMD5 OCR bitIosendopcond Response R4 Response R4 in SD modeRecommendations for RCA after Reset Acceptable Commands after InitializationSpecial Initialization considerations for Combo Cards Re-initialize both I/O and MemoryRe-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 Timings Card Detect ResistorCombo Card 4-bit Control Card Detect Resistor StatesData Transfer Abort Data Transfer Block SizesChanges to SD Memory Fixed Registers Read AbortCID Register OCR RegisterCSD Register RCA RegisterBit Identifier Type Value Description Sdio Status Register StructureClear Iorwdirect Command CMD52 New I/O Read/Write CommandsIllegalcommand ComcrcerrorIorwdirect Response R5 1 CMD52 Response SD modesIdentifier Type Value Description Clear Condition DIS=DisabledCMD=DAT lines free TRN=TransferIorw Extended command Op Code Definition Iorwextended Command CMD53OP code Command operation CRC1 CMD53 Data Transfer Format Byte Count ValuesSdio Card Internal Operation Register Access TimeOverview InterruptsRead Wait Suspend/ResumeCMD52 During Data Transfer Sdio Fixed Internal MapCard Common Control Registers Cccr Common I/O Area CIAType Card Common Control Registers CccrCCCR/SDIO IOE3To abort transfers to/from memory Scsi 4BLS Transaction of function 0 CIA Empc Cccr bit DefinitionsAddress Function Basic Registers FBRFunction Basic Information Registers FBR Field TypeFBR bit and field definitions Sdio Simplified Specification Version Field TypeCard Information Structure CIS Setting Block Size with CMD53Multiple Function Sdio Cards Card Information Structure CIS and reserved area of CIAState 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 Power Control Overview Power ControlPower Control support for Sdio Cards Master Power ControlPower Selection Power Control Support for the Sdio HostHigh-Power Tuples Reference Tuples by Master Power Control and Power SelectPower 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 CIS Reference Document CIS FormatsBasic Tuple Format and Tuple Chain Structure Byte Order Within TuplesSdio Card Metaformat Tuple VersionTuples Supported by Sdio Cards Code Name DescriptionSdio Specific Extensions Cistplmanfid Manufacturer Identification String TupleCistplmanfid Manufacturer Identification Tuple Cistplfuncid Function Identification TupleCistplfunce Tuple General Structure Cistplfunce Function Extension TupleCistplfunce Tuple for Function 0 common Tplfidfunction Tuple for Function 0 commonByte Cistplfunce Tuple for FunctionTplfidfunction Tuple for Function Sdio Simplified Specification Version 10 Tplfefunctioninfo Definition Tplfidfunction Field Descriptions for Functions11 Tplfecsaproperty Definition Bit Name12 Cistplsdiostd Tuple Reserved for Sdio Cards Cistplsdiostd Function is a Standard Sdio FunctionCistplsdioext Tuple Reserved for Sdio Cards 13 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