Features
Overview
 Document No Release Date Changes
Updated
Revision History
Added
 Table of Contents
 ATA Command Set
 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 Requirements
System Performance
 SiliconDrive Part# Capacity Service Life GB Written per Day
Reliability
Operational Life Span
 Product Capacity Specifications
Environmental Specifications
Product Capacity Number Sectors Bytes Cylinders Heads Track
 Pin
Electrical Specification
Pin Assignments
Ultra DMA
 Data Inputs/Outputs. This is the 8-bit or
Signal Descriptions
Signal Name Pins Type Description
Disk Active/Slave Present. This open
 DMA Request. This signal is used for DMA
Transfers between the host and device
 Interrupt Request. This signal is an active
This signal is a DMA request that is used
Ground. The device ground signal
For DMA data transfers between the host
 When Udma mode DMA read is active
Channel Ready. The signal is negated
When Udma mode DMA write is active
Device I/O Read. This is the read strobe
 Device Power Supply. The device power
Symbol Parameter Minimum Maximum Units
Absolute Maximum Ratings
 DC Characteristics
Symbol Parameter 5V ± 10% Units Minimum Maximum
 True IDE PIO Mode Read/Write Access Timing
True IDE PIO Mode Read/Write Access Timing Diagram
 True IDE PIO Mode Read/Write Access Timing
 True IDE Multiword DMA Read/Write Access Timing
 True IDE Multiword DMA Read/Write Access Timing
Symbol Mode 0 Mode Mode 3 Mode 4 Note Units
 Ultra DMA Data Burst Timing Requirements
Initiating a Udma Data-In Burst
 Sustained Udma Data-In Burst
 Device Terminating a Udma Data-In Burst
 Host Terminating a Udma Data-In Burst
 Initiating a Udma Data-Out Burst
 Device Pausing a Udma Data-Out Burst
 Host Terminating a Udma Data-Out Burst
 Device Terminating a Udma Data-Out Burst
Udma Data Burst Timing Requirements
 Min Max Min. Max
 Time from Strobe edge to ns
 Task File Register Specification
ATA and True IDE Register Decoding
CS0# CS1# DA02 DA01 DA00
 Error Register
ATA Registers
 Read/Write
Feature Register
Operation
Byte
 Read/Write Sector Count Default Value
Sector Count Register
 Sector Number Register
Read/Write
Logical Block Number bits A07-A00 LBA Addressing
 Cylinder Low Register
Low
Logical 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 Register
Corrected Data CORR. Always set to
 Command Register
Operation Read/Write ATA Command Code
 Alternate Status Register
 Device Control Register
Write
NIEN
 Read/Write NWTG NHS3 NHS2 NHS1 NHS0 NDS1 NDS0 Default Value
Device Address Register
 ATA Command Set
ATA Command Block and SET Description
ATA Command Block and Set Description
Class Command Name Registers Used Code
 ATA Command Set
 Check Power Mode 98h, E5h
Check Power Mode 98h, E5h
Register
 Executive Drive Diagnostic 90h
Executive Drive Diagnostic 90h
 Drive Head Number LBA27-24 Command 50h
Format Track 50h
Format 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 1Xh
Recalibrate 1Xh
 Read Buffer E4h
Read Buffer E4h
 Drive Head Number LBA27-24 Command C8h
Read DMA C8h
Read DMA C8h
 Drive Head Number LBA27-24 Command C4h
Read Multiple C4h
Read Multiple C4h
 Drive Head Number LBA27-24 Command 20h or 21h
Read Sector 20h, 21h
Read Sector 20h, 21h
 Drive Head Number LBA27-24 Command 22h or 23h
Read Long Sectors 22h, 23h
Read Long Sectors 22h, 23h
 Drive Head Number LBA27-24 Command 40h or 41h
Read Verify Sectors 40h, 41h
Read Verify Sectors 40h, 41h
 Drive Head Number LBA27-24 Command 7Xh
Seek 7Xh
Seek 7Xh
 Set Features’ Attributes
Set Features EFh
Set Features EFh
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 CAh
Write DMA CAh
 Drive Head NumberLBA27-24 Command C5h
Write Multiple C5h
Write Multiple C5h
 Drive Head Number LBA27-24 Command 30h or 31h
Write Sectors 30h, 31h
Write Sectors 30h, 31h
 Drive Head Number LBA27-24 Command 32h or 33h
Write Long Sectors 32h, 33h
Write Long Sectors 32h, 33h
 Drive Head Number LBA27-24 Command C0h
Erase Sectors C0h
Erase Sectors C0h
 Request Sense 03h
Extended Error Codes
Extended Error Codes Description
Request Sense 03h
 Drive Head Number LBA27-24 Command 87h
Translate Sector 87h
Translate Sector 87h
 Wear-Level F5h
Wear-Level F5h
 Drive Head Number LBA27-24 Command CDh
Write Multiple w/o Erase CDh
Write Multiple w/o Erase CDh
 Drive Head Number LBA27-24 Command 38h
Write Sectors w/o Erase 38h
Write Sectors w/o Erase 38h
 Drive Head Number LBA27-24 Command 3Ch
Write Verify 3Ch
Write Verify 3Ch
 Part Numbering Nomenclature
Sales and Support
Part Numbering
Part Numbers
 Standard Back Label with
Front Label Lot Code Information
 SiliconDrive EP Application-Specific Description
Related Documentation
Related Documentation
Technology