Silicon Image SSD-H16G(I)-3500 manual ATA and True IDE Register Decoding, CS0# CS1# DA02 DA01 DA00

Page 24

ATA AND TRUE IDE REGISTER DECODING

SSD-HXXX(I)-3500 DATA SHEET

ATA AND TRUE IDE REGISTER DECODING

SiliconDrive can be configured as either a a memory-mapped or an an I/O devices. As noted earlier, communication to and from the drive is accomplished using the ATA Command Block.

TASK FILE REGISTER SPECIFICATION

The Task File registers are used for reading and writing the storage data in the SiliconDrive. The decoded addresses are as shown in the following table.

Table 17: Task File Register Specification

CS0#	CS1#	DA02	DA01	DA00	DIOR# = L	DIOW# = L

0	1	0	0	0	Data	Data

0	1	0	0	1	Error	Feature

0	1	0	1	0	Sector Count	Sector Count

0	1	0	1	1	Sector Number	Sector Number

0	1	1	0	0	Cylinder Low	Cylinder Low

0	1	1	0	1	Cylinder High	Cylinder High

0	1	1	1	0	Drive/Head	Drive/Head

0	1	1	1	1	Status	Command

0	0	X	X	X	Invalid	Invalid

1	1	X	X	X	High-Z	Not Used

1	0	0	X	X	High-Z	Not Used

1	0	1	0	X	High-Z	Not Used

1	0	1	1	0	Alternate Status	Device Control

1	0	1	1	1	Device Address	Not Used

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.

3500H-03DSR

PAGE 15

FEBRUARY 2, 2009

Image 24

Contents Features OverviewUpdated Revision HistoryDocument No Release Date Changes AddedTable of Contents SSD-HXXXI-3500 Data Sheet Sales and Support Part Numbering Related DocumentationList of Figures List of Tables Idle Immediate 95h, E1h Part Numbering Nomenclature Physical Specifications Physical DimensionsPin 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 openDMA Request. This signal is used for DMA Controller by -IORD and -IOWR. This signalGround. The device ground signal Interrupt Request. This signal is an activeDevice Power Supply. The device power Symbol Parameter Minimum Maximum UnitsSymbol Parameter Maximum Units Absolute Maximum RatingsDC 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 TimingTask File Register Specification ATA and True IDE Register DecodingCS0# CS1# DA02 DA01 DA00 Error Register ATA RegistersFeature Register OperationRead/Write ByteRead/Write Sector Count Default Value Sector Count RegisterSector 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 AddressingDrive/Head Register LBA27 LBA26 LBA25 LBA24Drive Write Fault DWF. Always set to Status RegisterCorrected Data CORR. Always set to Command Register Operation Read/Write ATA Command CodeAlternate Status Register Device Control Register Operation WriteNIEN Bits Description Read/Write NWTG NHS3 NHS2 NHS1 NHS0 NDS1 NDS0 Default Value Device Address RegisterATA Command Block and SET Description ATA Command Block and Set DescriptionATA Command Set 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 90hDrive Head Number LBA27-24 Command 50h Format Track 50hFormat Track 50h Identify Drive ECh Identify Drive EChWord Data Default Bytes Data Description Address Identify Drive Drive Attribute DataIdentify Drive Drive Attribute Data Identify Drive Drive Attribute Data Idle 97h, E3h Idle 97h, E3hIdle Immediate 95h, E1h Idle Immediate 95h, E1hInitialize Drive Parameters 91h Initialize Drive Parameters 91hDrive Command 1Xh Recalibrate 1XhRecalibrate 1Xh Read Buffer E4h Read Buffer E4hDrive 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 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 E8hDrive 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 03hDrive Head Number LBA27-24 Command 87h Translate Sector 87hTranslate Sector 87h Wear-Level F5h Wear-Level F5hDrive 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 3500Part Numbers Part Number CapacityRelated Documentation Related Documentation