Maxtor 4320 manual Sustained Ultra DMA Data In Burst

Page 38

AT INTERFACE DESCRIPTION

DSTROBE

at device

DD(15:0) at device

tCYC

tDVH

t2CYC
	tCYC
	t2CYC
tDVH	tDVH
tDVS	tDVS

DSTROBE

at host

DD(15:0) at host

DMARQ (device)

DMACK-

(host)

STOP (host)

HDMARDY-

(host)

DSTROBE

(device)

DD(15:0)

(device)

tDH

tDS

tDH

tDS

tDH

Figure 5 - 5

Sustained Ultra DMA Data In Burst

tRP

tSR

tRFS

Figure 5 - 6

Host Pausing an Ultra DMA Data In Burst

5 – 6

Image 38

Contents HA RD Drive Produc T MA Nual DiamondMax Revisions Manual No Before You Begin U T I O NContents Product Specifications Handling and InstallationAT Interface Description Host Software InterfaceGlossary Interface CommandsService and Support Figures Manual Organization IntroductionMaxtor Corporation AbbreviationsKey Words Signal ConventionsConventions NumberingDiamondMax 4320 Key Features Product DescriptionProduct Features Functional / InterfaceDefect Management Zone DMZ On-the-Fly Hardware Error Correction Code ECCLogical Block Addressing Software ECC CorrectionBuffer Segmentation Read-Ahead ModeCache Management Automatic Write Reallocation AWRMajor HDA Components Cylinder Limitation Subsystem ConfigurationJumper Location/Configuration Dual Drive SupportPerformance Specifications Product SpecificationsDrive Configuration Models and CapacitiesPhysical Dimensions Parameter Standard MetricEPA Energy Star Compliance Power Requirements AveragePower Mode Definitions Environmental LimitsReliability Specifications Shock and VibrationCanadian Emissions Statement Safety Regulatory ComplianceRadiated Electromagnetic Field Emissions EMC Compliance Pre-formatted Drive Handling and InstallationHard Drive Handling Precautions Important NoticeUnpacking and Inspection Multi-pack Shipping ContainerRepacking Physical InstallationRecommended Mounting Configuration Before You Begin General Requirements Mounting Drive in System Attaching Interface Power Cables System Setup Hard Drive Preparation System Hangs During Boot Pin Description Summary Interface ConnectorAT Interface Description PINPIN Name Signal Name Signal Description Pin Description Table Timing Parameters Mode PIO TimingDMA Timing Mode 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 Host Software Interface Error RegisterFeatures Register Task File RegistersCylinder Number Registers Sector Count RegisterSector Number Register Device/Head RegisterCommand Register Summary Command Name Command Code Parameters UsedTimer Value TIME-OUT Period Device Control Register Control Diagnostic RegistersAlternate Status Register Digital Input RegisterInterrupt Handling Reset and Interrupt HandlingReset Handling Interface Commands Set Feature CommandsRead Verify Sectors Read CommandsRead Sectors Read DMA Read MultipleWrite Sectors Write CommandsSet Multiple Mode Write Verify SectorsWrite Multiple Write DMAValue Description Set Feature CommandsSet Features Mode Power Mode Commands Sleep Mode Identify Drive Initialization CommandsWord Content Description 15-8 = PIO data transfer mode = Write Cache enabled Initialize Drive Parameters Error Code Description Seek, Format and Diagnostic CommandsExecute Drive Diagnostic Format TrackA.R.T. Command Set Execute S.M.A.R.TNo Quibble Service Service and SupportService Policy SupportInternet MaxFax ServiceCustomer Service Access Time GlossaryCylinder Zero Gigabyte GB Logical Block Addressing Read Gate Signal THIN-FILM Media