ATA/ATAPI Bridge. CY7C68301C Datasheet

CY7C68301C Bridge. Datasheet pdf. Equivalent

CY7C68301C Datasheet
Recommendation CY7C68301C Datasheet
Part CY7C68301C
Description USB 2.0 to ATA/ATAPI Bridge
Feature CY7C68301C; CY7C68300C/CY7C68301C CY7C68320C/CY7C68321C EZ-USB AT2LP™ USB 2.0 to ATA/ATAPI Bridge EZ-USB AT2LP™.
Manufacture Cypress Semiconductor
Datasheet
Download CY7C68301C Datasheet




Cypress Semiconductor CY7C68301C
CY7C68300C/CY7C68301C
CY7C68320C/CY7C68321C
EZ-USB AT2LP™ USB 2.0 to
ATA/ATAPI Bridge
EZ-USB AT2LP™ USB 2.0 to ATA/ATAPI Bridge
Features
Fixed Function Mass Storage Device - Requires no Firmware
Two Power Modes: Self Powered and USB Bus Powered to
enable Bus Powered CF (CompactFlash) Readers and Truly
Portable USB Hard Drives
Certified Compliant for USB 2.0 (TID# 40490119), the USB
Mass Storage Class, and the USB Mass Storage Class
Bulk-Only Transport (BOT) Specification
Operates at High-Speed (480 Mbps) or Full-Speed (12 Mbps)
USB
Complies with ATA/ATAPI-6 Specification
Supports 48-bit Addressing for Large Hard Drives
Supports ATA Security Features
Supports any ATA Command with the ATACB Function
Supports Mode for BIOS Boot Support
Supports ATAPI Serial Number VPD Page Retrieval for Digital
Rights Management (DRM) Compatibility
Supports PIO Modes 0, 3, and 4, Multiword DMA Mode 2, and
UDMA Modes 2, 3, and 4
Uses One Small External Serial EEPROM for Storage of USB
Descriptors and Device Configuration Data
ATA Interface IRQ Signal Support
Supports one or two ATA/ATAPI Devices
Supports CompactFlash and one ATA/ATAPI Device
Supports Board-level Manufacturing Test using the USB I/F
Places the ATA Interface in High Impedance (High Z) to enable
Sharing of the ATA Bus with another Controller such as an
IEEE-1394 to ATA Bridge Chip or MP3 Decoder)
Low Power 3.3 V Operation
Fully Compatible with Native USB Mass Storage Class Drivers
Cypress Mass Storage Class Drivers available for Windows®
(98SE, ME, 2000, XP) and Mac OS X operating systems
Features (CY7C68320C/CY7C68321C only)
Supports HID Interface or Custom GPIOs to enable features
such as Single Button Backup, Power Off, and LED-based
Notification
56-pin QFN and 100-pin TQFP Pb-free Packages
CY7C68321C is Ideal for Battery Powered Designs
CY7C68320C is Ideal for Self and Bus Powered Designs
Automotive AEC Grade Option (–40 °C to 85 °C)
Features (CY7C68300C/CY7C68301C only)
Pin Compatible with CY7C68300A (using Backward
Compatibility Mode)
56-pin SSOP and 56-pin QFN Pb-free Packages
CY7C68301C is Ideal for Battery Powered Designs
CY7C68300C is Ideal for Self and Bus Powered Designs
Errata: For information on silicon errata, see “Errata” on page 44. Details include trigger conditions, devices affected, and proposed workaround.
Cypress Semiconductor Corporation • 198 Champion Court
Document Number: 001-05809 Rev. *P
• San Jose, CA 95134-1709 • 408-943-2600
Revised February 23, 2018



Cypress Semiconductor CY7C68301C
CY7C68300C/CY7C68301C
CY7C68320C/CY7C68321C
Logic Block Diagram
SCL
SDA
I2C Bus Master
24
MHz
XTAL
PLL
USB
VBUS
D+
D-
USB 2.0
Tranceiver
Internal Control Logic
Misc control signals and GPIO
ATA 3-state Control
Control
ATA Interface
Control Signals
ATA
Interface
Logic
CY Smart USB
FS/HS Engine
4 kByte FIFO
Data
16 Bit ATA Data
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
Document Number: 001-05809 Rev. *P
Page 2 of 47



Cypress Semiconductor CY7C68301C
CY7C68300C/CY7C68301C
CY7C68320C/CY7C68321C
Contents
Introduction ....................................................................... 4
CY7C68300A Compatibility .............................................. 4
Pin Diagrams ..................................................................... 5
Pin Descriptions ............................................................... 9
Additional Pin Descriptions ........................................ 13
HID Functions for Button Controls ............................... 16
Functional Overview ...................................................... 16
USB Signaling Speed ................................................ 16
ATA Interface ............................................................ 16
Operating Modes ............................................................ 19
Operational Mode Selection Flow ............................. 19
Fused Memory Data .................................................. 20
Normal Mass Storage Mode ...................................... 20
Board Manufacturing Test Mode ............................... 20
EEPROM Organization ............................................. 22
Programming the EEPROM ...................................... 35
Absolute Maximum Ratings .......................................... 36
Operating Conditions ..................................................... 36
DC Characteristics ......................................................... 36
AC Electrical Characteristics ........................................ 37
ATA Timing Characteristics ....................................... 37
USB Transceiver Characteristics .............................. 37
Ordering Information ...................................................... 37
Ordering Code Definitions ......................................... 37
Package Diagrams .......................................................... 38
General PCB Layout Recommendations
for USB Mass Storage Designs ..................................... 41
Quad Flat Package No Leads (QFN)
Package Design Notes ................................................... 41
Other Design Considerations ........................................ 42
Proper Power-Up Sequence ..................................... 42
IDE Removable Media Devices ................................. 42
Devices With Small Buffers ....................................... 42
Acronyms ........................................................................ 43
Document Conventions ................................................. 43
Units of Measure ....................................................... 43
Errata ............................................................................... 44
Part Numbers Affected .............................................. 44
AT2LP Qualification Status ....................................... 44
AT2LP Errata Summary ............................................ 44
Document History Page ................................................. 45
Sales, Solutions, and Legal Information ...................... 47
Worldwide Sales and Design Support ....................... 47
Products .................................................................... 47
PSoC® Solutions ...................................................... 47
Cypress Developer Community ................................. 47
Technical Support ..................................................... 47
Document Number: 001-05809 Rev. *P
Page 3 of 47







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