Linh kiện USB

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Features
•Fixed-function mass storage device—requires no firmware
•Two power modes: Self-powered and USB bus-powered to
enable bus powered CF 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 page 5 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
Can place the ATA interface in high impedance (Hi-Z) to
allow sharing of the ATA bus with another controller (i.e., an
IEEE-1394 to ATA bridge chip or MP3 Decoder)
Low-power 3.3V 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
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