Cypress Semiconductor CY7C68301C Manuale Utente Scaricare il pdf (Pagina 2)

CY7C68300C, CY7C68301C

CY7C68320C, CY7C68321C

Document Number: 001-05809 Rev. *K Page 2 of 44

Applications

The CY7C68300C/301C and CY7C68320C/321C implement a

USB 2.0 bridge for all ATA/ATAPI-6 compliant mass storage

devices, such as the following:

■ Hard Drives

■ CD-ROM, CD-R/W

■ DVD-ROM, DVD-RAM, DVD±R/W

■ MP3 Players

■ Personal Media Players

■ CompactFlash

■ Microdrives

■ Tape Drives

■ Personal Video Recorders

■ Automotive Applications

The CY7C68300C/301C and CY7C68320C/321A support one

or two devices in the following configurations:

■ ATA/ATAPI master only

■ ATA/ATAPI slave only

■ ATA/ATAPI master and ATA/ATAPI slave

■ CompactFlash only

■ ATA/ATAPI slave and CompactFlash or other removable IDE

master

Additional Resources

■ CY4615B EZ-USB AT2LP Reference Design Kit

■ USB Specification Version 2.0

■ ATA Specification T13/1410D Revision 3B

■ USB Mass Storage Class Bulk-Only Transport Specification

http://www.usb.org/devel-

opers/devclass_docs/usbmassbulk_10.pdf

USB 2.0

Tranceiver

CY Smart USB

FS/HS Engine

4 kByte FIFO

PLL

C Bus Master

ATA

Interface

Logic

Data

Control

MHz

XTAL

16 Bit ATA DataUSB D+

D-

Internal Control Logic

VBUS

ATA Interface

Control Signals

Misc control signals and GPIO

SDA

SCL

ATA 3-state Control

Reset

Logic Block Diagram

1 2 3 4 5 6 7 ... 43 44

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