Maxtor AT Interface Description for 5T040H4 Drives

Page 33

AT INTERFACE DESCRIPTION

DMARQ
(device)
tUI
DMACK-
(host)
tACK	tENV
STOP
(host)
tZIORDY	tLI	tUI
DDMARDY-
(device)
tACK
HSTROBE
(host)
DD(15:0)	tDVS	tDVH
DD(15:0)
(host)
tACK
DA0, DA1, DA2,
CS0-, CS1-

HSTROBE

at host

DD(15:0)

at host

Figure 5 - 9

Initiating an Ultra DMA Data Out Burst

		t2CYC
	tCYC		tCYC
			t2CYC
tDVH	tDVS	tDVH	tDVH
	tDVS		tDVS

HSTROBE

at device

DD(15:0) at device

tDH

tDS

tDH

tDS

tDH

Figure 5 - 10

Sustained Ultra DMA Data Out Burst

5 – 8

Image 33

Contents Corporate Headquarters REV EC N O SEC Tion Desc Ription ATE U T I O N Before You BeginContents Handling and Installation Product SpecificationsInterface Commands AT Interface DescriptionHost Software Interface Glossary Service and SupportFigures MaxtorCorporation IntroductionManualOrganization AbbreviationsConventions Product Description KeyFeaturesProduct Features Functional / InterfaceModel S SP T MAX LB a Apac IT Y CacheManagement MajorHDAComponents SubsystemConfiguration Jumper Location / ConfigurationCylinderLimitationJumperDescription DriveConfiguration ProductSpecificationsPerformanceSpecifications ModelsandCapacitiesAram E TE R Stan D ARD ME T RIC PhysicalDimensionsmaximumPowerModeDefinitions PowerRequirementsEPA Energy Star Compliance EnvironmentalLimitsReliabilitySpecifications Shock and VibrationParam E TE R OP ER AT ING ON- OPE R AT ING EMC/EMI SafetyRegulatoryComplianceHandlingandInstallation HardDriveHandlingPrecautionsElectro-StaticDischargeESD Multi-pack Shipping Container UnpackingandInspectionRepacking PhysicalInstallationHook up Before You BeginStart up Set upATInterfaceDescription InterfaceConnectorPinDescriptionSummary PIN IGN ALPin Description Table PIN Name Signal Name Signal Desc RiptionPIO Timing IM in G Paramet ERS ModeDMATiming Imin G Paramet ERS ModeMode 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 HostSoftwareInterface Task File RegistersPOR T EAD WR ITE Conten TS LBA Bits CommandRegister M M a N D N a M E M M a N D code PA R a M E T E R S U S E D SummaryControl Diagnostic Registers Reset and Interrupt Handling InterfaceCommands ReadCommands Read DMA WriteCommands Write Multiple ModeSet/CheckCommands VAL UE DES C RIP TionLE VE L VAL UE Omman D Timer VAL UE TIME-OUT Period PowerModeCommandsSleep Mode Or D ENT Desc Ription InitializationCommandsOr D 15- 10, as c urrently defined Initialize Drive Parameters ER ROR Code Desc Ription Seek,FormatandDiagnosticCommandsKey Register A.R.T. CommandSetServicePolicy ServiceandSupportNoQuibbleService SupportFrom Dial Glossary AccesstimeCorrectableerror Fetch Landingzoneorlzone Physicalsector Softerror