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Fujitsu MHW2060AC, MHW2040AC manual Normal DMA data transfer

Models: MHW2060AC MHW2040AC

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Interface

f)When the command execution is completed, the device clears both BSY and DRQ bits and asserts the INTRQ signal. Then, the host reads the Status register.

g)The host resets the DMA channel.

Figure 5.7 shows the correct DMA data transfer protocol.

f

g

d

d

f e

Figure 5.7 Normal DMA data transfer

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C141-E258

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Fujitsu MHW2060AC, MHW2040AC manual Normal DMA data transfer

Contents

MHW2060AC, MHW2040AC Disk Drives Product ManualFor Safe Operation Handling of This ManualRevision History MHW2060ACThis page is intentionally left blank Preface Overview of ManualConventions Conventions for Alert MessagesOperating Environment Liability Exception Representation of the data storage capacity in this manualThis page is intentionally left blank Important Alert Items Important Alert MessagesThis page is intentionally left blank Disk Drives Product Manual Disk Drives Maintenance ManualManual Organization This page is intentionally left blank Contents Installation Conditions Theory of Device OperationContents Interface101 Operations Glossary GL-1 Acronyms and Abbreviations AB-1 Index IN-1 Alternating processing for defective sectorsIllustrations Figures130 Example of rewriting procedure of data 512 KBytes Tables152 Device Overview Adaptability FeaturesFunctions and performance Error correction and retry by ECC Low noise and vibrationHigh resistance against shock Connection to ATA interfaceDrive-specific function specification Device SpecificationsSpecifications summary Specifications 1 MHW2060AC MHW2040ACSpecifications 2 Model and product numberExamples of model names and product numbers MHV2060ACPower Requirements Input VoltageRipple Slope of an input voltage at risePermissible level −0.2 Current Requirements and Power Dissipation Current and power dissipationEnvironmental specifications Environmental SpecificationsCurrent fluctuation Typ. at +5 V when power is turned on Acoustic noise specification Shock and vibration specificationsAcoustic Noise Shock and VibrationService life Data assurance in the event of power failureReliability Mean time between failures MtbfError Rate Unrecoverable read errorPositioning error Media DefectsAdvanced Power Management APM Recommended power-off sequenceAdvanced Power Management APM Advanced Power ManagementThis page is intentionally left blank Device Configuration Device Configuration System Configuration ATA interface2 1 drive connection Read/write circuit2 drives configuration 3 2 drives connectionInstallation Conditions Dimensions DimensionsMounting OrientationFrame Limitation of mountingLocation of breather Ambient temperature Service area Handling cautionsHandling cautions Device connector Cable ConnectionsCable connector specifications Cable connector specificationsDevice connection FCILocation of setting jumpers Jumper SettingsPower supply connector CN1 Factory default setting Master drive-slave drive settingCsel setting 13 Csel settingPower up in standby setting 15 Example 2 of cable selectThis page is intentionally left blank Theory of Device Operation Outline SubassembliesDisk SpindleCircuit Configuration Air filterServo circuit Spindle motor driver circuitPower supply configuration MCU & HDC & RDC MCURDC SVCPower-on Sequence Power-on operation sequenceSelf-calibration contents Self-calibrationCommand processing during self-calibration Execution timing of self-calibrationRead/write Circuit Read/write preamplifier PreAMPWrite circuit Write precompensationProgrammable filter circuit Read circuitAGC circuit Digital PLL circuit FIR circuitD converter circuit Viterbi detection circuitServo Control Servo control circuitPower amplifier Microprocessor unit MPUServo burst capture circuit A converter DACDriver circuit VCM current sense resistor CSRData-surface servo format Inner guard bandData area Outer guard bandPhysical sector servo configuration on disk surface Servo frame format Actuator motor control Operation to move the head to the reference cylinderSeek operation Track following operationStart mode Acceleration modeStable rotation mode Spindle motor controlThis page is intentionally left blank Interface Interface signals Physical InterfaceSignal assignment on the connector Signal assignment on the interface connectorDA1 PDIAG-, Cblid DA0 DA2 Dasp GNDMstr DiowStop DiorPdiag CblidDasp IordyLogical Interface DA2 DA1 DA0 1 I/O registersI/O registers Command block registers Error register X’1F1’Data register X’1F0’ UNCSector Count register X’1F2’ Features register X’1F1’SET Multiple Mode Cylinder High register X’1F5’ Sector Number register X’1F3’Cylinder Low register X’1F4’ Device/Head register X’1F6’ DEV HS3 HS2 HS1 HS0Status register X’1F7’ BSYInterface Alternate Status register X’3F6’ Command register X’1F7’Control block registers Host Commands Command code and parametersDevice Control register X’3F6’ HOB SrstParameter Used Command code and parameters 1Command Name Command code and parameters 2 EXT Write Multiple FUA EXT Flush Cache EXTHost Commands Command descriptions Host Commands Recalibrate X’10’ to X’1F’ Read Sectors X’20’ or X’21’ MSBEnd head No. / LBA MSB Write Sectors X’30’ or X’31’ 1F7HST Status information 1F6HDH Write Verify X’3C’ Read Verify Sectors X’40’ or X’41’ Seek X’70’ to X’7F’ Execute Device Diagnostic X’90’ Diagnostic codeHost Commands Initialize Device Parameters X’91’ Download Microcode X’92’ Operation of Download Microcode Standby Immediate X’94’ or X’E0’ Unload Feature Host Commands Standby X’96’ or X’E2’ Idle X’97’ or X’E3’ 1F4HCL 1F3HSN 1F2HSC 1F1HER Error information C141-E258 Sleep X’99’ or X’E6’ Check Power Mode X’98’ or X’E5’’FF’ Interface Smart X’B0 Features register values subcommands and functions 1 Features register values subcommands and functions 2 Smart Enable OperationsSmart Disable Operations Smart Read LOGSmart Return Status Features register values subcommands and functions 3’DB’ Smart ENABLE/DISABLE Auto OFF-LINE At command issuance I-O registers setting contents 1F7 HCM Format of insurance failure threshold value data Format of device attribute value data1FF Data format version number Attribute IDStatus Flag Current attribute valueAttribute value for the worst case so far Raw attribute value11 Self-test execution status 10 Off-line data collection statusSelf-test execution status Off-line data collection capability 12 Off-line data collection capabilityFailure prediction capability flag 13 Failure prediction capability flagError logging capability 14 Error logging capabilityCheck sum Insurance failure thresholdSmart error logging 16 Data format of Smart Summary Error Log Command data structure Error data structureTotal number of drive errors 17 Data format of Smart Comprehensive Error LogSmart self-test 18 Smart self-test log data format1FC Self-test number19 Selective self-test log data structure Test spanCurrent LBA under test Current span under testSelective Self-test pending time min Feature Flags20 Selective self-test feature flags Device Configuration XB1 Device Configuration RestoreDevice Configuration Freeze Device Configuration IdentifyDevice Configuration Restore FR = C0h Device Configuration Freeze Lock FR = C1hDevice Configuration Identify FR = C2h Device Configuration SET FR = C3hInterface 21 Device Configuration Identify data structure 1 21 Device Configuration Identify data structure 2 Execution example of Read Multiple command Read Multiple X’C4’MSB Write Multiple X’C5’ Interface SET Multiple Mode X’C6’ 1F5HCH Read DMA X’C8’ or X’C9’ End head No. / LBA MSB Write DMA X’CA’ or X’CB’ Interface Read Buffer X’E4’ Flush Cache X’E7’ Write Buffer X’E8’ Identify Device X’EC’ Identify Device DMA X’EE’ 22 Information to be read by Identify Device command 1 ’3FFF’22 Information to be read by Identify Device command 2 3FFF Command without interrupt supports 2, 4, 8 and 16 sectors = Supports the Host Protected Area feature set Option customizing Word Bit C141-E258 Interface Write Stream EXT Interface Host Commands Word Bit Reserved Security level High, 1 Maximum SET Features X’EF’ 23 Features register values and settable modes’BB’ ’CC’Data Transfer Mode Advanced Power Management APM Automatic Acoustic Management AAM 24 Contents of Security SET Password data At command issuance I-O register contents 1F7hCM 1F6hDH Security UNLOCKX’F2’ When the master password is selectedWhen the user password is selected Interface Security Erase Prepare X’F3’ Security Erase Unit X’F4’ Security Freeze Lock X’F5’ 1F4hCL 1F3hSN 1F2hSC 1F1hER Error information 100 C141-E258 26 Contents of security password Interface Read Native MAX Address X’F8’ SET MAX X’F9’ SET MAX AddressSET MAX SET Password FR = 01h SET MAX Lock FR = 02h SET MAX Unlock FR = 03h SET MAX Freeze Lock FR = 04h Host Commands Read Sectors EXT X’24’ Option customizing Description HOB=1 Read DMA EXT X’25’ Option customizing DescriptionHOB=0 Error reporting conditions Read Multiple EXT X’29’ Option customizing Description Read LOG EXT X2F Optional command Customize Description Host Commands Write Sectors EXT X’34’ Option customizing Description Write DMA EXT X’35’ Option customizing Description SET MAX Address EXT X’37’ Option customizing Description SET MAX LBA Write Multiple EXT X’39’ Option customizing Description Write DMA FUA EXT X’3D’ Option customizing Description Write LOG EXT X’3F’ Optional command Customize Description Number of sectors to be written to the specified log Read Verify Sectors EXT X’42 Option customizing Description Write Multiple FUA EXT X’CE’ Option customizing Description Flush Cache EXT X’EA’ Option customizing Description Error posting 27 Command code and parameters 127 Command code and parameters 2 Execute Device Diagnostic Initialize Device Parameters Command ProtocolPIO Data transferring commands from device to host Read Sectors Command protocol Protocol for command abort PIO Data transferring commands from host to device Write Sectors command protocol Commands without data transfer Other commands DMA data transfer commandsRead Multiple EXT Write Multiple EXT/FUA EXT Sleep Read DMA EXT Write DMA EXT/FUA EXT Indentify Device DMANormal DMA data transfer Ultra DMA Feature Set OverviewInitiating an Ultra DMA data in burst Phases of operationUltra DMA data in commands Pausing an Ultra DMA data in burst Data in transferTerminating an Ultra DMA data in burst Ultra DMA Feature Set Interface Ultra DMA data out commands Initiating an Ultra DMA data out burstPausing an Ultra DMA data out burst Data out transferTerminating an Ultra DMA data out burst Interface Ultra DMA CRC rules Series termination required for Ultra DMA 28 Recommended series termination for Ultra DMADIOR-HDMARDY-HSTROBE DIOW-STOPTiming PIO data transfer10 Multiword DMA data transfer timing mode Multiword data transferUltra DMA data transfer 11 Initiating an Ultra DMA data in burstName Mode Comment Strobe29 Ultra DMA data burst timing requirements 2 MIN MAXMode Name Comment 30 Ultra DMA sender and recipient timing requirementsSustained Ultra DMA data in burst At deviceDD150 At hostHost pausing an Ultra DMA data in burst DmarqDmack HdmardyDevice terminating an Ultra DMA data in burst Dmarq deviceHost Dstrobe device DD150DA0, DA1, DA2 CS0, CS1 Host terminating an Ultra DMA data in burstDstrobe device 16 Initiating an Ultra DMA data out burst DD150 At device Sustained Ultra DMA data out burstHstrobe at host DD150 at host Hstrobe host DD150 host Device pausing an Ultra DMA data out burstDevice DMACK- host Stop host DDMARDY- device Host terminating an Ultra DMA data out burst 19 Host terminating an Ultra DMA data out burstDevice terminating an Ultra DMA data out burst Dmarq device DMACK- hostOnly master device is present Power-on and resetMaster and slave devices are present 2-drives configuration Operations Device Response to the Reset Response to power-onResponse to hardware reset Response to power-onResponse to hardware reset Response to software reset Response to software resetResponse to diagnostic command Response to diagnostic commandPower Save Power save modeActive mode Active idle modeStandby mode Sleep modeSpare area Power commandsDefect Processing Track slip processing Alternating processing for defective sectorsSector slip processing Automatic alternating processing Automatic alternating processingRead-ahead Cache Data buffer structure8MB buffer 8,388,608 bytes Read Sectors EXT Read Multiple EXT Read DMA EXTCommands that are targets of caching Caching operationData that is a target of caching Invalidating caching-target dataSmart Using the read segment buffer Miss-hitSequential hit Full hit Command that are targets of caching Write CacheCache operation Invalidation of cached dataStatus report in the event of an error Reset responseCaching function when power supply is turned on Enabling and disablingOperations Glossary Power save mode Rotational delayPIO Programmed input-output PositioningStatus VCMThis page is intentionally left blank Acronyms and Abbreviations This page is intentionally left blank Index AAMIndex Host pausing ultra DMA data Read Sectors Command Read Native MAX AddressSurface temperature measurement This page is intentionally left blank Comment Form JapanThis page is intentionally left blank C141-E258-03EN Page