Read Sector 20h, 21h | Silicon Image SSD-P08G(I)-3521 manual

ATA COMMAND BLOCK AND SET DESCRIPTION

SSD-PXXX(I)-3521 DATA SHEET

Read Sector — 20h, 21h

The Read Sector command allows the host to read sectors 1 to 256 as specified in the Sector Count register. If the sector count is set to 0h, all 256 sectors of data are made available. When the command code is issued and the first sector of data has been transferred to the buffer, the DRQ bit is set. The Read Sector command is terminated by writing the cylinder, head, and sector number of the last sector read in the task file. On error, the read operation is aborted in the errant sector.

Table 60: Read Sector — 20h, 21h

Register	D7	D6	D5	D4		D3	D2	D1	D0
Feature					X

Sector Count				Sector Count

Sector Number			Sector Number (LBA7-0)

Cylinder Low			Cylinder Low (LBA15-8)

Cylinder High			Cylinder High (LBA23-16)

Drive Head	1	LBA	1	Drive		Head Number (LBA27-24)

Command				20h or 21h

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3521P-02DSR

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FEBRUARY 2, 2009

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Silicon Image SSD-P08G(I)-3521 manual Read Sector 20h, 21h, Drive Head Number LBA27-24 Command 20h or 21h

Contents

Overview Features Revision History UpdatedDocument No Release Date Changes Added Table of Contents Common Memory Description and Operation Attribute Memory Description and OperationSpace Description and Operation ATA and True IDE Register Decoding ATA Command Set Related Documentation Sales and Support Part Numbering List of Figures List of Tables SSD-PXXXI-3521 Data Sheet Set Multiple Mode C6h Set Sleep Mode 99h, E6h Physical Dimensions Physical Specifications 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 Specification IOIS16# IOCS16# GND Signal Name Pin Type Description Signal Descriptions Dasp Spkr Inpack Csel Dmarq True IDE modeGND Ground Iord This signal is not used in this mode PC Card memory ModeIowr RDY/-BSY ATA SELIreq +5V, +3.3V power PC Card memory Mode ResetREG Dmack Voltage Sense Signals This signal is the same for all modes PC Card I/O ModeWait Iordy IOIS16 Symbol Parameter Minimum Maximum UnitsAbsolute Maximum Ratings DC Characteristics Symbol Parameter Maximum UnitsSymbol Parameter V ±10% 5V ±10% Units Minimum Maximum Capacitance 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 Attribute Memory Description and Operation D158 D70 ModeAttribute Memory Read Operations Function REG# CE1# CE2# Attribute Memory Write Operations Register Operation Addr CE1# Attribute Memory Map 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 SSD-PXXXI-3521 Data Sheet Card Information Structure Sreset Configuration Option Register 200hBits Description Read Changed SigChg IOis8 PwrDn Int Write Default Value Configuration and Status Register 202h Crdy Pin Placement Register 204hRrdy Socket and Copy Register 206h Copy Number Socket Number Default ValueRead/Write RFU Common Memory Read Operations Common Memory Description and OperationCommon Memory Write Operations Space Description and Operation Function Mode REG# CE1# CE2# A0 IORD# IOWR# D158 D70O Space Read Operations O Space Write Operations Memory-Mapped Register Decoding ATA and True IDE Register DecodingReg# Offset A10 A9A4 OE# = L WE# = L Independent I/O Mode Register Decoding Reg# A10 A9A4 Primary and Secondary I/O Mapped Register DecodingPrimary Secondary CS0# CS1# DA02 DA01 DA00 Task File Register Specification Track 0 Not Found TKONF. Set when the execute drive Error RegisterATA Registers Media Changed MC. Set to Operation Feature RegisterRead/Write Byte 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 HS3 HS2 HS1 HS0 Drive/Head RegisterLBA27 LBA26 LBA25 LBA24 Status Register Drive Write Fault DWF. Always set toBSY Drdy DRQ Corr IDX ERR Operation Read/Write ATA Command Code Command Register Alternate Status Register Srst Device Control RegisterNIEN 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 Format Track 50h Drive Head Number LBA27-24 Command 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 Recalibrate 1Xh Drive Command 1XhRecalibrate 1Xh Read Buffer E4h Read Buffer E4h Read DMA C8h Drive Head Number LBA27-24 Command C8hRead DMA C8h LBA 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 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 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 Extended Error Codes Description Extended Error CodesRequest Sense 03h 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 Sales and SupportPart Numbering Nomenclature 3521 Part Number Capacity Part Numbers Sample Label Front Label Standard Back Label with Lot Code Information Related Documentation Related Documentation