Alternate Status Register | Silicon Image SSD-H16G(I)-3500 guide

ATA REGISTERS

SSD-HXXX(I)-3500 DATA SHEET

ALTERNATE STATUS REGISTER

The Alternate Status register is a read-only register indicating the status of the device, following the previous ATA command. See "Status Register" on page 23 for specific details.

Table 27: Alternate Status Register

Operation	D7	D6	D5	D4	D3	D2	D1	D0
Read/Write	BSY	DRDY	DWF	DSC	DRQ	CORR	IDX	ERR

Default Value	0	0	0	0	0	0	0	0

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3500H-03DSR

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FEBRUARY 2, 2009

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Silicon Image SSD-H16G(I)-3500 manual Alternate Status Register

Contents

Features Overview Document No Release Date Changes UpdatedRevision History Added Table of Contents SSD-HXXXI-3500 Data Sheet Sales and Support Part Numbering Related Documentation List of Figures List of Tables Idle Immediate 95h, E1h Part Numbering Nomenclature Physical Specifications Physical Dimensions Pin Locations System Power Requirements Product SpecificationsSystem Performance Reliability SiliconDrive Part# Capacity Service Life GB Written per DayOperational Life Span Environmental Specifications Product Capacity SpecificationsProduct Capacity Number Bytes Sectors Cylinders Heads Track Pin Assignments Electrical SpecificationPin Data Inputs/Outputs. This is the 8-bit or Signal DescriptionsSignal Name Pins Type Description Disk Active/Slave Present. This open Ground. The device ground signal DMA Request. This signal is used for DMAController by -IORD and -IOWR. This signal Interrupt Request. This signal is an active Symbol Parameter Maximum Units Device Power Supply. The device powerSymbol Parameter Minimum Maximum Units Absolute Maximum Ratings DC Characteristics Symbol Parameter 5V ±10% Units Minimum Maximum Access Read Timing O Access Read Timing Access Write Timing O 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 ATA and True IDE Register Decoding Task File Register SpecificationCS0# CS1# DA02 DA01 DA00 Error Register ATA Registers Read/Write Feature RegisterOperation Byte Read/Write Sector Count Default Value Sector Count Register Read/Write Sector Number RegisterLogical Block Number bits A07-A00 LBA Addressing Low Cylinder Low RegisterLogical Block Number bits A15-A08 LBA Addressing Cylinder High Register Logical Block Number bits A23-A16 LBA Addressing Drive/Head Register LBA27 LBA26 LBA25 LBA24 Status Register Drive Write Fault DWF. Always set toCorrected Data CORR. Always set to Command Register Operation Read/Write ATA Command Code Alternate Status Register Operation Write Device Control RegisterNIEN Bits Description Read/Write NWTG NHS3 NHS2 NHS1 NHS0 NDS1 NDS0 Default Value Device Address Register ATA Command Set ATA Command Block and SET DescriptionATA Command Block and Set Description 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 Format Track 50h Drive Head Number LBA27-24 Command 50hFormat Track 50h Identify Drive ECh Identify Drive ECh Word Data Default Bytes Data Description Address Identify Drive Drive Attribute Data 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 Recalibrate 1Xh Drive Command 1XhRecalibrate 1Xh Read Buffer E4h Read Buffer E4h Read DMA C8h Drive Head Number LBA27-24 Command C8hRead DMA C8h Read Multiple C4h Drive Head Number LBA27-24 Command C4hRead Multiple C4h Read Sector 20h, 21h Drive Head Number LBA27-24 Command 20h or 21hRead Sector 20h, 21h Read Long Sectors 22h, 23h Drive Head Number LBA27-24 Command 22h or 23hRead Long Sectors 22h, 23h Read Verify Sectors 40h, 41h Drive Head Number LBA27-24 Command 40h or 41hRead Verify Sectors 40h, 41h Seek 7Xh Drive Head Number LBA27-24 Command 7XhSeek 7Xh Set Features’ Attributes Set Features EFhSet Features EFh 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 Write DMA CAh Drive Head NumberLBA27-24 Command CAhWrite DMA CAh Write Multiple C5h Drive Head NumberLBA27-24 Command C5hWrite Multiple C5h Write Sectors 30h, 31h Drive Head Number LBA27-24 Command 30h or 31hWrite Sectors 30h, 31h Write Long Sectors 32h, 33h Drive Head Number LBA27-24 Command 32h or 33hWrite Long Sectors 32h, 33h Erase Sectors C0h Drive Head Number LBA27-24 Command C0hErase Sectors C0h Request Sense 03h Extended Error CodesExtended Error Codes Description Request Sense 03h Translate Sector 87h Drive Head Number LBA27-24 Command 87hTranslate Sector 87h Wear-Level F5h Wear-Level F5h Write Multiple w/o Erase CDh Drive Head Number LBA27-24 Command CDhWrite Multiple w/o Erase CDh Write Sectors w/o Erase 38h Drive Head Number LBA27-24 Command 38hWrite Sectors w/o Erase 38h Write Verify 3Ch Drive Head Number LBA27-24 Command 3ChWrite Verify 3Ch Part Numbering Nomenclature Sales and SupportPart Numbering 3500 Part Numbers Part Number Capacity Related Documentation Related Documentation