Maxtor 6800 manual PIO Timing, Timing Parameters Mode

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AT INTERFACE DESCRIPTION

PIO Timing

TIMING PARAMETERS

MODE 0

MODE 1

MODE 2

MODE 3

MODE 4

t0

Cycle Time (min)

600 ns

383 ns

240 ns

180 ns

120 ns

t1

Address valid to DIOR-/DIOW- setup (min)

70 ns

50 ns

30 ns

30 ns

25 ns

t2

DIOR-/DIOW- 16-bit (min)

165 ns

125 ns

100 ns

80 ns

70 ns

t2i

DIOR-/DIOW- recovery time (min)

70 ns

25 ns

t3

DIOW- data setup (min)

60 ns

45 ns

30 ns

30 ns

20 ns

t4

DIOW- data hold (min)

30 ns

20 ns

15 ns

10 ns

10 ns

t5

DIOR- data setup (min)

50 ns

35 ns

20 ns

20 ns

20 ns

t6

DIOW- data hold (min)

5 ns

5 ns

5 ns

5 ns

5 ns

t6Z

DIOR- data tristate (max)

30 ns

30 ns

30 ns

30 ns

30 ns

t9

DIOR-/DIOW- to address valid hold (min)

20 ns

15 ns

10 ns

10 ns

10 ns

tRd

Read Data Valid to IORDY active (min)

0

0

0

0

0

tA

IORDY Setup Time

35 ns

35 ns

35 ns

35 ns

35 ns

tB

IORDY Pulse Width (max)

1250 ns

1250 ns

1250 ns

1250 ns

1250 ns

Figure 5 - 2

PIO Data Transfer To/From Device

5 – 3

Image 34

Contents HA RD Drive Produc T MA Nual DiamondMax Before You Begin U T I O NContents Product Specifications Handling and InstallationAT Interface Description Host Software InterfaceService and Support Interface CommandsGlossary Figures Manual Organization IntroductionMaxtor Corporation AbbreviationsKey Words Signal ConventionsConventions NumberingDiamondMax 6800 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 RequirementsPower Mode Definitions Environmental LimitsReliability Specifications Shock and VibrationRadiated Electromagnetic Field Emissions EMC Compliance Safety Regulatory ComplianceCanadian Emissions Statement Pre-formatted Drive Handling and InstallationHard Drive Handling Precautions Important NoticeUnpacking and Inspection Multi-pack Shipping ContainerRecommended Mounting Configuration Physical InstallationRepacking System Requirements Handling PrecautionsTools for Installation Drive Identification InformationGeneral Requirements Hard Drive IdentificationInstalling in a Device Bay Systems Using Cable SelectInstalling 5.25-inch Mounting Brackets and Rails Mounting Drive in SystemAttaching Interface and Power Cables Attaching System CablesSetting the Bios Cmos System SetupBios Cmos Parameters Hard Drive Preparation System Hangs During Boot AT Interface Description Interface ConnectorPin Description Summary PIN Name Signal Name Signal Description Pin Description TableTiming 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 Command Name Command Code Parameters Used SDH SummaryDevice Control Register Control Diagnostic RegistersAlternate Status Register Digital Input RegisterReset Handling Reset and Interrupt HandlingInterrupt Handling Interface Commands Set Feature CommandsRead Sectors Read CommandsRead Verify Sectors Read DMA Read MultipleWrite Sectors Write CommandsSet Multiple Mode Write Verify SectorsWrite Multiple Write DMASet Feature Commands Set Features ModePower Mode Commands Sleep Mode Initialization Commands Identify Drive15-8 = PIO data transfer mode = Write Cache enabled Initialize Drive Parameters Execute Drive Diagnostic Seek, Format and Diagnostic CommandsFormat Track A.R.T. Command Set Execute S.M.A.R.TNo Quibble Service Service and SupportService Policy SupportCustomer Service MaxFax ServiceInternet Access Time GlossaryCylinder Zero Gigabyte GB Logical Block Addressing Read Gate Signal THIN-FILM Media