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Cypress Semiconductor Electronic Components Datasheet

ISD-300A1 Datasheet

High Speed USB to ATA ASIC

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October 19, 2001
ISD-300A1
ISD-300A1
High Speed USB to ATA ASIC
Cypress Semiconductor Corporation • 3901 North First Street • San Jose • CA 95134 • 408-943-2600
Oct 19, 2001


Cypress Semiconductor Electronic Components Datasheet

ISD-300A1 Datasheet

High Speed USB to ATA ASIC

No Preview Available !

October 19, 2001
Table of Contents
ISD-300A1
TABLE OF CONTENTS .............................................................................................................................. I
TABLE OF TABLES .................................................................................................................................III
TABLE OF FIGURES ............................................................................................................................... IV
DOCUMENT REVISION HISTORY ........................................................................................................ 1
PIN INFORMATION .................................................................................................................................. 2
OVERVIEW ................................................................................................................................................. 6
INTRODUCTION ........................................................................................................................................ 7
ISD-300A1 CONFIGURATION ................................................................................................................. 7
ISD-300A1 CONFIGURATION AND USB DESCRIPTOR SOURCES ................................................................. 7
Internal ROM Contents .......................................................................................................................... 8
I2C Memory Device Interface................................................................................................................. 8
Vendor-Specific Identify Data (FBh) ..................................................................................................... 9
ISD-300A1 CONFIGURATION/USB DESCRIPTOR DATA FORMATTING........................................................ 9
ISD-300A1 Configuration Data.............................................................................................................. 9
USB INTERFACE...................................................................................................................................... 14
DESCRIPTORS ............................................................................................................................................ 14
Supported Descriptors .......................................................................................................................... 14
Descriptor Data Format ........................................................................................................................ 15
DESCRIPTOR REQUIREMENTS .................................................................................................................... 21
String Descriptor Indexes ..................................................................................................................... 21
PIPES ......................................................................................................................................................... 21
Default Control Pipe............................................................................................................................. 21
Bulk Out Pipe ....................................................................................................................................... 21
Bulk In Pipe.......................................................................................................................................... 22
Interrupt Pipe........................................................................................................................................ 22
REQUESTS ................................................................................................................................................. 22
Standard Requests ................................................................................................................................ 22
Mass Storage Class Bulk-Only Requests.............................................................................................. 22
Vendor-Specific Requests .................................................................................................................... 23
ATA/ATAPI INTERFACE........................................................................................................................ 28
PROTOCOL................................................................................................................................................. 28
RESET MAPPING........................................................................................................................................ 28
DEVICE REQUIREMENTS............................................................................................................................ 28
ATA INITIALIZATION TIMEOUT ................................................................................................................ 29
ATA COMMAND BLOCK ........................................................................................................................... 30
Field Descriptions................................................................................................................................. 30
ATA COMMAND FLOW ............................................................................................................................. 33
VENDOR-SPECIFIC ATA COMMANDS........................................................................................................ 35
IDENTIFY............................................................................................................................................ 35
EVENT_NOTIFY ................................................................................................................................ 36
Notification Register Reads.................................................................................................................. 37
i


Part Number ISD-300A1
Description High Speed USB to ATA ASIC
Maker Cypress
Total Page 30 Pages
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