Maxtor Detailed Guide on AT Interface for Models

Page 34

AT INTERFACE DESCRIPTION

DMARQ (device)

DMACK-

(host)

STOP (host)

DDMARDY-

(device)

HSTROBE

(host)

DD(15:0)

(host)

DA0, DA1, DA2,

CS0-, CS1-

tLI	tMLI	tACK
tRP		tIORDYZ
tRFS
tLI	tMLI	tACK
	tDVS	tDVH
		CRC
		tACK

Figure 5 - 13

Device Terminating an Ultra DMA Data Out Burst

5 – 10

Image 34

Contents DiamondMax Plus Before You Begin U T I O NContents Handling and Installation Product SpecificationsDiamondmax Plus 40 Product Manual AT Interface Description Interface CommandsHost Software Interface Service and Support GlossaryFigures ManualOrganization IntroductionMaxtorCorporation AbbreviationsConventions Diamondmax Plus 40 IntroductionDiamondMax Plus 40 Key Features Product DescriptionModel CYL SPT Product FeaturesFunctional / Interface MAX LBA CapacityCacheManagement MajorHDAComponents Jumper Configuration SubsystemConfigurationJumper Location / Configuration CylinderLimitationJumperDescriptionPerformanceSpecifications ProductSpecificationsDriveConfiguration ModelsandCapacitiesPhysicalDimensionsmaximum Product SpecificationsEPA Energy Star Compliance PowerRequirementsPowerModeDefinitions EnvironmentalLimitsShock and Vibration ReliabilitySpecificationsParameter Operating NON-OPERATING SafetyRegulatoryCompliance EMC/EMIHardDriveHandlingPrecautions HandlingandInstallationElectro-StaticDischargeESD Installation UnpackingandInspectionPhysicalInstallation RepackingBefore You Begin Hook upSet up Start upATInterfaceDescription InterfaceConnectorPIN Signal PinDescriptionSummaryPin Description Table PIN Name Signal Name Signal DescriptionAT Interface Description Timing Parameters Mode PIO TimingTiming Parameters Mode 0 Mode 1 Mode DMATimingMode MIN MAX Ultra DMA TimingSustained Ultra DMA Data In Burst Device Terminating an Ultra DMA Data In Burst Initiating an Ultra DMA Data Out Burst Device Pausing an Ultra DMA Data Out Burst Device Terminating an Ultra DMA Data Out Burst Port Read Write HostSoftwareInterfaceTask File Registers Abrt TK0 AmnfHost Software Interface Contents LBA BitsBusy Drdy DSC DRQ ERR LBA DRV HS3 HS2 HS1 HS0CommandRegister Summary Command Name Command Code Parameters UsedTimer Value TIME-OUT Period SDHIEN Control Diagnostic RegistersDS0 Reset and Interrupt Handling InterfaceCommands ReadCommands Interface CommandsRead DMA WriteCommands Write Multiple SetFeatureCommands Value DescriptionPowerModeCommands Timer Value TIME-OUT Period InitializationCommands Word Content Description15-8 = PIO data transfer mode Interface Commands Word Content Description Initialize Drive Parameters Seek,FormatandDiagnosticCommands Error Code DescriptionA.R.T. CommandSet Key RegisterNoQuibble Service ServiceandSupportServicePolicy SupportService and Support From DialGlossary Directmemoryaccess CorrectableerrorDirectaccess ErrorcorrectioncodeeccExtrapulse HarderrorHeaddiskassemblyhda FeedbackLatebit PhaselockedlooppllLandingzoneorlzone LatewindowReadgatesignal PhasemarginRandomaccessmemoryram RecoverableerrorUN-CORRECTABLEERROR SofterrorStrobeoffsetsignal Unrecoverableerror