Command Register | Silicon Image SSD-H16G(I)-3500 specs

ATA REGISTERS

SSD-HXXX(I)-3500 DATA SHEET

COMMAND REGISTER

The Command register specifies the ATA command code being issued to the drive by the host. Execution of the command begins immediately following the issuance of the command register code by the host.

Table 26: Command Register

Operation	D7	D6	D5	D4	D3	D2	D1	D0
Read/Write				ATA Command Code

See "ATA Command Block and Set Description" on page 28 for a listing of the supported ATA commands.

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3500H-03DSR

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FEBRUARY 2, 2009

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Silicon Image SSD-H16G(I)-3500 manual Command Register, Operation Read/Write ATA Command Code

Contents

Overview Features Revision History UpdatedDocument No Release Date Changes Added Table of Contents SSD-HXXXI-3500 Data Sheet Related Documentation Sales and Support Part Numbering List of Figures List of Tables Idle Immediate 95h, E1h Part Numbering Nomenclature Physical Dimensions Physical Specifications Pin 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 Signal Name Pins Type Description Signal DescriptionsData Inputs/Outputs. This is the 8-bit or Disk Active/Slave Present. This open Controller by -IORD and -IOWR. This signal DMA Request. This signal is used for DMAGround. The device ground signal Interrupt Request. This signal is an active Symbol Parameter Minimum Maximum Units Device Power Supply. The device powerSymbol Parameter Maximum Units Absolute Maximum Ratings Symbol Parameter 5V ±10% Units Minimum Maximum DC Characteristics O Access Read Timing Access Read Timing O Access Write Timing Access Write Timing True IDE Read/Write Access Timing True IDE Read/Write Access Timing True IDE Multiword DMA Read/Write Access Timing True IDE Multiword DMA Read/Write Access Timing Task File Register Specification ATA and True IDE Register DecodingCS0# CS1# DA02 DA01 DA00 ATA Registers Error Register Operation Feature RegisterRead/Write Byte Sector Count Register Read/Write Sector Count Default Value Sector 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 Register LBA27 LBA26 LBA25 LBA24 Drive/Head Register Drive Write Fault DWF. Always set to Status RegisterCorrected Data CORR. Always set to Operation Read/Write ATA Command Code Command Register Alternate Status Register Device Control Register Operation WriteNIEN Bits Description Device Address Register Read/Write NWTG NHS3 NHS2 NHS1 NHS0 NDS1 NDS0 Default Value ATA Command Block and Set Description ATA Command Block and SET DescriptionATA Command Set Class Command Name Registers Used Code ATA Command Set Check Power Mode 98h, E5h Check Power Mode 98h, E5hRegister Executive Drive Diagnostic 90h Executive Drive Diagnostic 90h Drive Head Number LBA27-24 Command 50h Format Track 50hFormat Track 50h Identify Drive ECh Identify Drive ECh Identify Drive Drive Attribute Data Word Data Default Bytes Data Description Address Identify Drive Drive Attribute Data Identify Drive Drive Attribute Data Idle 97h, E3h Idle 97h, E3h Idle Immediate 95h, E1h Idle Immediate 95h, E1h Initialize Drive Parameters 91h Initialize Drive Parameters 91h Drive Command 1Xh Recalibrate 1XhRecalibrate 1Xh Read Buffer E4h Read Buffer E4h Drive 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 Set Features EFh Set Features EFhSet Features’ Attributes Feature Operation Set Multiple Mode C6h Set Multiple Mode C6h Set Sleep Mode 99h, E6h Set Sleep Mode 99h, E6h Standby 96h, E2h Standby 96h, E2h Standby Immediate 94h, E0h Standby Immediate 94h, E0h Write Buffer E8h Write Buffer E8h Drive 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 Extended Error Codes Description Extended Error CodesRequest Sense 03h Request Sense 03h Drive Head Number LBA27-24 Command 87h Translate Sector 87hTranslate Sector 87h Wear-Level F5h Wear-Level F5h Drive 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 Part Numbering Sales and SupportPart Numbering Nomenclature 3500 Part Number Capacity Part Numbers Related Documentation Related Documentation