Device Address Register | Silicon Image SSD-H16G(I)-3500 instruction

ATA REGISTERS

SSD-HXXX(I)-3500 DATA SHEET

DEVICE ADDRESS REGISTER

The Device Address register is used to maintain compatibility with ATA disk drive interfaces.

Table 29: Device Address Register

Operation	D7	D6	D5	D4	D3	D2	D1	D0
Read/Write	-	nWTG	nHS3	nHS2	nHS1	nHS0	nDS1	nDS0

Default Value	0	0	1	1	1	1	1	0

Bit(s) Description

7 Reserved bit.

6 Write Gate (nWTG). Low when a write to the device is in process.

5-2 nHS3 to nHS0. The negated binary address of the currently selected head.

1nDS1. Low when drive 1 is selected and active.

0nDS0. Low when drive 0 is selected and active.

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3500H-03DSR

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FEBRUARY 2, 2009

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Silicon Image SSD-H16G(I)-3500 manual Device Address Register, Read/Write NWTG NHS3 NHS2 NHS1 NHS0 NDS1 NDS0 Default Value

Contents

Features Overview Updated Revision HistoryDocument No Release Date Changes 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 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 Descriptions Signal Name Pins Type DescriptionData Inputs/Outputs. This is the 8-bit or Disk Active/Slave Present. This open DMA Request. This signal is used for DMA Controller by -IORD and -IOWR. This signalGround. The device ground signal Interrupt Request. This signal is an active Device Power Supply. The device power Symbol Parameter Minimum Maximum UnitsSymbol Parameter 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 Task File Register Specification ATA and True IDE Register DecodingCS0# CS1# DA02 DA01 DA00 Error Register ATA Registers Feature Register OperationRead/Write Byte Read/Write Sector Count Default Value Sector Count Register Sector Number Register Read/WriteLogical Block Number bits A07-A00 LBA Addressing Cylinder Low Register LowLogical 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 Drive Write Fault DWF. Always set to Status RegisterCorrected Data CORR. Always set to Command Register Operation Read/Write ATA Command Code Alternate Status Register Device Control Register Operation WriteNIEN Bits Description Read/Write NWTG NHS3 NHS2 NHS1 NHS0 NDS1 NDS0 Default Value Device Address Register 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 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 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 Extended Error Codes DescriptionRequest 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 Sales and Support Part NumberingPart Numbering Nomenclature 3500 Part Numbers Part Number Capacity Related Documentation Related Documentation