Maxtor 2B020H1, 2B015H1, 2B010H1 manual Initiating an Ultra DMA Data Out Burst

Page 32

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 32

Contents Maxtor 541DX Product Manual Before You Begin U T I O NContents Product Specifications Handling and InstallationHost Software Interface Interface CommandsAT Interface Description Service and Support GlossaryFigures Introduction MaxtorCorporationManualOrganization AbbreviationsConventions Key Features ProductDescriptionModels CYL SP T MAX LBA Capacity Product FeaturesFunctional / Interface CacheManagement Major HDA Components SubsystemConfiguration Jumper Location / ConfigurationJumper Configuration Cylinder Limitation Jumper DescriptionProductSpecifications Drive ConfigurationPerformanceSpecifications Models and CapacitiesPhysical Dimensions Param Eter Valu EPowerRequirements Power Mode DefinitionsEPA Energy Star Compliance Environmental LimitsParam Eter Oper AT ING ON- Oper AT ING Reliability SpecificationsShock and Vibration Safety Regulatory Compliance EMC/EMIElectro-Static Discharge ESD HandlingandInstallationHard Drive Handling Precautions Unpacking and Inspection Multi-pack Shipping ContainerPhysical Installation RepackingBefore You Begin Hook upSet up Start upInterfaceConnector ATInterfaceDescriptionPinDescriptionSummary PIN IGN ALPIN Name Signal Name Signal Desc Ription Pin Description TableIM in G Paramet ERS Mode PIO TimingImin G Paramet ERS Mode DMATimingUltra DMA Timing ModeSustained 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 POR T EAD WR ITE HostSoftwareInterfaceTask File Registers Conten TS LBA Bits CommandRegister Seek, Format, and Diagnostic CommandsSummary 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 DControl Diagnostic Registers Reset and Interrupt Handling InterfaceCommands ReadCommands Read DMA WriteCommands Write Multiple EC TOR LE VE L ModeSet/CheckCommandsVAL UE DES C RIP Tion VAL UE Omman D PowerModeCommands Timer VAL UE TIME-OUT PeriodSleep Mode InitializationCommands Or D ENT Desc RiptionOr D 15- 10, as c urrently defined Initialize Drive Parameters Seek,FormatandDiagnosticCommands ER ROR Code Desc RiptionA.R.T. CommandSet Key RegisterServiceandSupport Service PolicyNo Quibble Service Product SupportFrom Dial Glossary Correctable error Central processing unit CPUChannel CharacterDirect access Direct memory access DMAError correction code ECC Error freeHard error Head disk assembly HDAFrequency response Gigabyte GBLate window LatencyLogic Logical addressPhase locked loop PLL Phase marginRandom access memory RAM Read gate signalSector pulse signal Seek complete signalSequential access Soft errorStrobe offset signal Un-correctable errorUnrecoverable error Write gate signal