Status Register, BSY Drdy | Silicon Image SSD-C08G(I)-3150 specs

ATA REGISTERS

SSD-CXXX(I)-3150 DATA SHEET

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 41: 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.

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3150C-10DSR

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FEBRUARY 2, 2009

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Silicon Image SSD-C08G(I)-3150 manual Status Register, BSY Drdy, DRQ Corr IDX ERR, Drive Write Fault DWF. Always set to

Contents

Features OverviewSisecure Revision History SSD-CXXXI-3150 Data Sheet Table of Contents ATA and True IDE Register Decoding Attribute Memory Description and OperationCommon Memory Description and Operation Space Description and Operation ATA Command Set Nomenclature Part Numbers Sample Label List of Figures List of Tables SSD-CXXXI-3150 Data Sheet Part Numbering Nomenclature Physical Dimensions Physical Specifications 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 Pin Assignments Electrical Specification Signal Name Pin Type Description Signal Descriptions Dasp Spkr Inpack Csel Ground True IDE modeDmarq GND Iowr This signal is not used in this mode PC Card memory ModeIord Iord ATA SEL RDY/-BSYIreq Dmack Reset+5V, +3.3V power PC Card memory Mode REG Iordy This signal is the same for all modes PC Card I/O ModeVoltage Sense Signals Wait Symbol Parameter Minimum Maximum Units IOIS16Absolute Maximum Ratings Capacitance Symbol Parameter Maximum UnitsDC Characteristics Symbol Parameter V ±10% 5V ±10% Units Minimum Maximum Attribute and Common Memory Read Timing Attribute and Common Memory Read Timing Attribute and Common Memory Write Timing Attribute and Common Memory Write Timing 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 Function REG# CE1# CE2# D158 D70 ModeAttribute Memory Description and Operation Attribute Memory Read Operations Attribute Memory Write Operations Attribute Memory Map Register Operation Addr CE1#REG# WE# OE# Card Information Structure Attribute Data Description of Contents CIS Function Offset Cistplfunce Tpcemi Tpcefs Tpceio Exponent Nominal voltage = VCC nominal value A6h 1Eh IRQ Configuration table entry tuple Tuple code E4h 12h Exponent Nominal voltage = VCC nominal value F0h 4Dh Siliconsystems Proprietary Card Information Structure Configuration Option Register 200h SresetBits Description Read Changed SigChg IOis8 PwrDn Int Write Default Value Configuration and Status Register 202h Pin Placement Register 204h CrdyRrdy RFU Copy Number Socket Number Default ValueSocket and Copy Register 206h Read/Write Common Memory Write Operations Common Memory Description and OperationCommon Memory Read Operations REG# O Space Write Operations Function Mode REG# CE1# CE2# A0 IORD# IOWR# D158 D70Space Description and Operation O Space Read Operations ATA and True IDE Register Decoding Memory-Mapped Register DecodingReg# Offset A10 A9A4 OE# = L WE# = L Independent I/O Mode Register Decoding Primary Secondary Primary and Secondary I/O Mapped Register DecodingReg# A10 A9A4 IORD# = L IOWR# = L Task File Register Specification CS0# CS1# DA02 DA01 DA00DIOR# = L DIOW# = L Media Changed MC. Set to Error RegisterTrack 0 Not Found TKONF. Set when the execute drive ATA Registers Byte Feature RegisterOperation Read/Write Sector Count Register Read/Write Sector Count Default Value Logical Block Number bits A07-A00 LBA Addressing Sector Number Register Logical Block Number bits A15-A08 LBA Addressing Cylinder Low Register Logical Block Number bits A23-A16 LBA Addressing Cylinder High Register Drive/Head Register HS3 HS2 HS1 HS0LBA27 LBA26 LBA25 LBA24 DRQ Corr IDX ERR Drive Write Fault DWF. Always set toStatus Register BSY Drdy Operation Read/Write ATA Command Code Command Register Alternate Status Register NIEN Bits Description Device Control RegisterOperation Write Srst Device Address Register Read/Write NWTG NHS3 NHS2 NHS1 NHS0 NDS1 NDS0 Default Value Class Command Name Registers Used Code ATA Command Block and SET DescriptionATA Command Block and Set Description ATA Command Set 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 ID bit in IDE Word Data Default Bytes Data Description AddressIdentify Drive Drive Attribute Data 044Ah fixed Word Data Default Bytes Data Description Address 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 LBA Drive Head Number LBA27-24 Command C8hRead DMA C8h Read 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’ Attributes 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 Request Sense 03h Extended Error CodesExtended Error Codes Description 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 SSD YYY Sales and SupportPart Numbering Part Numbering Nomenclature Part Number Capacity Part Numbers Related Documentation Related Documentation