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CY7C68301C Dataheets PDF



Part Number CY7C68301C
Manufacturers Cypress Semiconductor
Logo Cypress Semiconductor
Description USB 2.0 to ATA/ATAPI Bridge
Datasheet CY7C68301C DatasheetCY7C68301C Datasheet (PDF)

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 Hig.

  CY7C68301C   CY7C68301C



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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. *Q • San Jose, CA 95134-1709 • 408-943-2600 Revised May 2, 2019 CY7C68300C/CY7C68301C CY7C68320C/CY7C68321C Logic Block Diagram SCL I2C Bus Master SDA Reset 24 MHz PLL XTAL 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/developers/devclass_docs/usbmassbulk_10.pdf Document Number: 001-05809 Rev. *Q Page 2 of 47 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 ......


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