Silicon Image SSDS00-3650H-R manual Status Register, Drive Write Fault DWF. Always set to

Page 34

SSD-HXXX(I)-3650 DATA SHEET

ATA REGISTERS

STATUS REGISTER

The Status register provides the device’s current status to the host. The status register is an 8-bit read-only register. When the contents of the register are read by the host, the IREQ# bit is cleared.

Table 24: 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

Bit(s) Description

7Busy (BSY). Set when the drive is busy and unable to process any new ATA commands.

6Data Ready (DRDY). Set when the device is ready to accept ATA commands from the host.

5Drive Write Fault (DWF). Always set to 0.

4Drive Seek Complete (DSC). Set when the drive heads have been positioned over a specific track.

3Data Request (DRQ). Set when a device is ready to transfer a word or byte of data to or from the host and the device.

2Corrected Data (CORR). Always set to 0.

1Index (IDX). Always set to 0.

0Error (ERR). Set when an error occurs during the previous ATA command.

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.

PAGE 22

JUNE 17, 2008

DOCUMENT: 3650H-02DSR

Image 34

Contents Sisecure FeaturesOverview Host and/or software IPRevision History UpdatedDocument No Release Date Changes Table of Contents SSD-HXXXI-3650 Data Sheet Sales and Support Part Numbering Related DocumentationSSD-HXXXI-3650 Data Sheet List of Figures List of Figures List of Tables ATA Command Block and Set Description Write Long Sectors 32h, 33h SSD-HXXXI-3650 Data Sheet Physical Specifications Physical DimensionsPin Locations System Performance Product SpecificationsSystem Power Requirements System Reliability047,674,880 046,240 2030 Product Capacity SpecificationsEnvironmental Specifications 098,446,336 098,528 4066Pin Assignments Electrical SpecificationPin Data Inputs/Outputs. This is the 8-bit or Signal DescriptionsSignal Name Pins Type Description Disk Active/Slave Present. This openGround. The device ground signal DMA Request. This signal is used for DMAController by -IORD and -IOWR. This signal Interrupt Request. This signal is an activeAbsolute Maximum Ratings CapacitanceDC Characteristics Symbol Parameter 5V ±10% Units Minimum MaximumAccess Read Timing O Access Read TimingAccess Write Timing O 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 TimingATA and True IDE Register Decoding Task File Register SpecificationCS0# CS1# DA02 DA01 DA00 Error Register ATA RegistersRead/Write Feature Byte Feature RegisterOperation Read/Write Sector Count Default Value Sector Count RegisterRead/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 AddressingDrive/Head Register LBA27 LBA26 LBA25 LBA24Status Register Drive Write Fault DWF. Always set toCorrected Data CORR. Always set to Command Register Operation Read/Write ATA Command CodeAlternate Status Register Operation Write Device Control RegisterNIEN Bits Description Read/Write NWTG NHS3 NHS2 NHS1 NHS0 NDS1 NDS0 Default Value Device Address RegisterATA Command Set ATA Command Block and SET DescriptionATA Command Block and Set Description Class Command Name Registers Used CodeATA Command Set Check Power Mode 98h, E5h Check Power Mode 98h, E5hRegister Executive Drive Diagnostic 90h Executive Drive Diagnostic 90hFormat Track 50h Drive Head Number LBA27-24 Command 50hFormat Track 50h Identify Drive ECh Identify Drive EChWord Data Default Bytes Data Description Address Identify Drive Drive Attribute DataIdentify Drive Drive Attribute Data Idle 97h, E3h Idle 97h, E3hIdle Immediate 95h, E1h Idle Immediate 95h, E1hInitialize Drive Parameters 91h Initialize Drive Parameters 91hRecalibrate 1Xh Drive Command 1XhRecalibrate 1Xh Read Buffer E4h Read Buffer E4hRead 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 OperationSet 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 E8hWrite 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 03hTranslate Sector 87h Drive Head Number LBA27-24 Command 87hTranslate Sector 87h Wear-Level F5h Wear-Level F5hWrite 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 3650Part Numbers Part Number CapacityFront Label Code Information Related DocumentationStandard Back Label with Lot Related DocumentationClick here