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Cypress specifications CY7C68300C/CY7C68301C CY7C68320C/CY7C68321C, Page 22 of

Models: CY7C68320C CY7C68300C CY7C68321C CY7C68301C

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Cypress CY7C68300C/CY7C68301C CY7C68320C/CY7C68321C, “Functional Overview” on page 15 for more detail on how

Contents

CY7C68300C/CY7C68301C CY7C68320C/CY7C68321C FeaturesBlock Diagram EZ-USB AT2LP USB 2.0 to ATA/ATAPI Bridge Introduction ApplicationsCY7C68300A Compatibility CY4615C EZ-USB AT2LP Reference Design Kit USB Specification version CY7C68301C EZ-USB AT2LPCY7C68300C 56-pin SSOP RESET# EZ-USB AT2LP CY7C68300C CY7C68301C 56-pin QFNENABLE DD13 CY7C68321C EZ-USB AT2LPCY7C68320C 56-pin SSOP GPIO2 EZ-USB AT2LP CY7C68320C CY7C68321C 56-pin QFNARESET# DD15 CY7C68320A 100-pin TQFPCY7C68321A page USB D+ signal See “DPLUS, DMINUS” on pageUSB D-signal See “DPLUS, DMINUS” on page PU 10K CY7C68300C/CY7C68301C CY7C68320C/CY7C68321C Chip reset See “RESET#” on page VBUS detection See “VBUSATAENABLE” on SCL, SDA “ATAPUEN” on pageDPLUS, DMINUS XTALIN, XTALOUT SYSIRQ USB High-Speed DRVPWRVLD GPIO PinsATA Interface Pins LOWPWR# ATAPUEN VBUSATAENABLERESET# PWR500# Functional Overview HID Functions for Button ControlsATA Command Block ATACB Field Name Table 6. ATACB Field DescriptionsByte Field Description 5-12 Operational Mode Selection Flow Operating ModesFigure 10. Operational Mode Selection Flow Fused Memory Data Bulk-Only Transport Specification . There is a vendor-specificTable 7. Command Block Wrapper Normal Mass Storage Mode MfgCB EEPROM Organization Figure 11. Snapshot of ‘AT2LP Blaster’ Utility “Functional Overview” on page 15 for more detail on how Enable a delay of up to 120 ms at each read of the DRQ bitwhere the device data length does not match the host data length. This allows the CY7C68300C/CY7C68301C to work Determines if the AT2LP is to do an SRST reset during drive returned on bits 2, 1, and 0 of EP1IN. This bit must be set to CY7C68300C/CY7C68301C CY7C68320C/CY7C68321C Configuration does not exist. The USB Mass Storage Class Bulk-Only USB Bulk Out Endpoint Interface DescriptorUSB Bulk In Endpoint Terminator Number of the channel, must be a zero based value that is Page 29 of Descriptor-Index 0 LANGID CY7C68300C/CY7C68301C CY7C68320C/CY7C68321C Descriptor-Serial Number unique serial LOADCONFIGDATA Label Table 12.EEPROM-related Vendor-specific CommandsREADCONFIGDATA bmRequestType Absolute Maximum Ratings DC CharacteristicsOperating Conditions ATA Timing Characteristics AC Electrical CharacteristicsOrdering Information USB Transceiver Characteristics Package Diagrams Figure 12. 100-Pin Thin Plastic Quad Flatpack 14 x 20 x 1.4 mm A101 Package Diagrams continued Figure 13. 56-lead Shrunk Small Outline Package Figure 14. 56-Lead QFN 8 x 8 mm LF56A General PCB Layout Recommendations For USB Mass Storage DesignsPage 39 of Other Design Considerations Quad Flat Package No Leads QFN Package Design NotesPCB Material IDE Removable Media Devices Disclaimers, Trademarks, and CopyrightsDevices With Small Buffers Document Number Document History PagedIssue Date ECN NO