Silicon Image SSD-H16G(I)-3500 manual Read DMA C8h, Drive Head Number LBA27-24 Command C8h

Page 51

ATA COMMAND BLOCK AND SET DESCRIPTION

SSD-HXXX(I)-3500 DATA SHEET

Read DMA — C8h

The Read DMA command allows the host to read data using the DMA transfer protocol.

Note: This function does not apply to SiliconDrives that have DMA disabled.

Table 42: Read DMA — C8h

Register	D7	D6	D5	D4		D3	D2	D1	D0
Feature					X

Sector Count				Sector Count

Sector Number			Sector Number (LBA7-0)

Cylinder Low			Cylinder Low (LBA15-8)

Cylinder High			Cylinder High (LBA23-16)

Drive Head	1	LBA	1	Drive		Head Number (LBA27-24)

Command				C8h

SILICONSYSTEMS PROPRIETARY

This document and the information contained within it is confidential and proprietary to SiliconSystems, Inc.

All unauthorized use and/or reproduction is prohibited.

3500H-03DSR

PAGE 42

FEBRUARY 2, 2009

Image 51

Contents Overview FeaturesAdded UpdatedRevision History Document No Release Date ChangesTable of Contents SSD-HXXXI-3500 Data Sheet Related Documentation Sales and Support Part NumberingList of Figures List of Tables Idle Immediate 95h, E1h Part Numbering Nomenclature Physical Dimensions Physical SpecificationsPin Locations Product Specifications System Power RequirementsSystem Performance SiliconDrive Part# Capacity Service Life GB Written per Day ReliabilityOperational Life Span Product Capacity Specifications Environmental SpecificationsProduct Capacity Number Bytes Sectors Cylinders Heads Track Electrical Specification Pin AssignmentsPin Disk Active/Slave Present. This open Signal DescriptionsSignal Name Pins Type Description Data Inputs/Outputs. This is the 8-bit orInterrupt Request. This signal is an active DMA Request. This signal is used for DMAController by -IORD and -IOWR. This signal Ground. The device ground signalAbsolute Maximum Ratings Device Power Supply. The device powerSymbol Parameter Minimum Maximum Units Symbol Parameter Maximum UnitsSymbol Parameter 5V ±10% Units Minimum Maximum DC CharacteristicsO Access Read Timing Access Read TimingO Access Write Timing Access Write TimingTrue IDE Read/Write Access Timing True IDE Read/Write Access TimingTrue IDE Multiword DMA Read/Write Access Timing True IDE Multiword DMA Read/Write Access TimingTask File Register Specification ATA and True IDE Register DecodingCS0# CS1# DA02 DA01 DA00 ATA Registers Error RegisterByte Feature RegisterOperation Read/WriteSector Count Register Read/Write Sector Count Default ValueSector Number Register Read/WriteLogical Block Number bits A07-A00 LBA Addressing Cylinder Low Register LowLogical Block Number bits A15-A08 LBA Addressing Logical Block Number bits A23-A16 LBA Addressing Cylinder High RegisterLBA27 LBA26 LBA25 LBA24 Drive/Head RegisterDrive Write Fault DWF. Always set to Status RegisterCorrected Data CORR. Always set to Operation Read/Write ATA Command Code Command RegisterAlternate Status Register Device Control Register Operation WriteNIEN Bits Description Device Address Register Read/Write NWTG NHS3 NHS2 NHS1 NHS0 NDS1 NDS0 Default ValueClass Command Name Registers Used Code ATA Command Block and SET DescriptionATA Command Block and Set Description ATA Command SetATA Command Set Check Power Mode 98h, E5h Check Power Mode 98h, E5hRegister Executive Drive Diagnostic 90h Executive Drive Diagnostic 90hDrive Head Number LBA27-24 Command 50h Format Track 50hFormat Track 50h Identify Drive ECh Identify Drive EChIdentify Drive Drive Attribute Data Word Data Default Bytes Data Description AddressIdentify Drive Drive Attribute Data Identify Drive Drive Attribute Data Idle 97h, E3h Idle 97h, E3hIdle Immediate 95h, E1h Idle Immediate 95h, E1hInitialize Drive Parameters 91h Initialize Drive Parameters 91hDrive Command 1Xh Recalibrate 1XhRecalibrate 1Xh Read Buffer E4h Read Buffer E4hDrive Head Number LBA27-24 Command C8h Read DMA C8hRead DMA C8h Drive Head Number LBA27-24 Command C4h Read Multiple C4hRead Multiple C4h Drive Head Number LBA27-24 Command 20h or 21h Read Sector 20h, 21hRead Sector 20h, 21h Drive Head Number LBA27-24 Command 22h or 23h Read Long Sectors 22h, 23hRead Long Sectors 22h, 23h Drive Head Number LBA27-24 Command 40h or 41h Read Verify Sectors 40h, 41hRead Verify Sectors 40h, 41h Drive Head Number LBA27-24 Command 7Xh Seek 7XhSeek 7Xh Feature Operation Set Features EFhSet Features EFh Set Features’ AttributesSet Multiple Mode C6h Set Multiple Mode C6hSet Sleep Mode 99h, E6h Set Sleep Mode 99h, E6hStandby 96h, E2h Standby 96h, E2hStandby Immediate 94h, E0h Standby Immediate 94h, E0hWrite Buffer E8h Write Buffer E8hDrive Head NumberLBA27-24 Command CAh Write DMA CAhWrite DMA CAh Drive Head NumberLBA27-24 Command C5h Write Multiple C5hWrite Multiple C5h Drive Head Number LBA27-24 Command 30h or 31h Write Sectors 30h, 31hWrite Sectors 30h, 31h Drive Head Number LBA27-24 Command 32h or 33h Write Long Sectors 32h, 33hWrite Long Sectors 32h, 33h Drive Head Number LBA27-24 Command C0h Erase Sectors C0hErase Sectors C0h Request Sense 03h Extended Error CodesExtended Error Codes Description Request Sense 03hDrive Head Number LBA27-24 Command 87h Translate Sector 87hTranslate Sector 87h Wear-Level F5h Wear-Level F5hDrive Head Number LBA27-24 Command CDh Write Multiple w/o Erase CDhWrite Multiple w/o Erase CDh Drive Head Number LBA27-24 Command 38h Write Sectors w/o Erase 38hWrite Sectors w/o Erase 38h Drive Head Number LBA27-24 Command 3Ch Write Verify 3ChWrite Verify 3Ch 3500 Sales and SupportPart Numbering Part Numbering NomenclaturePart Number Capacity Part NumbersRelated Documentation Related Documentation