Overview The JM20339 is single chip solution to bridge between USB 2.0 host and SATA device. The highly integrated USB 2.0 and SATA Phys technology provides a cost-effective solution to apply USB to SATA device enclosure. The USB adheres to the Mass Storage Class Bulk-Only Transport Specification. The embedded command parser supports both ATA and ATAPI command set with LBA48 bit addressing capability.
Feature Compliance ? Compliance with Gen1i, and Gen1m of Serial ATA II Electrical Specification 1.0 ? Compliance with USB 2.0 (Hi-Speed USB) electrical specification ? Compliance with USB Mass Storage Class Bulk-Only Transport Specification
Overall ? Support SATA spread-spectrum transmitter ? Support SATA II Asynchronous Signal Recovery (Hot Plug) feature ? Support 480Mbps High Speed (HS) and 12Mbps Full Speed USB operation ? Support ATA/ATAPI LBA48 bit addressing mode ? Support 12MHz external crystal. ? Single-power 3.3V power supply ? 0.18um CMOS technology and 64 -pin LQFP ASSP package
Software ? Support operation system : ? Microsoft Windows 98 ? Microsoft Windows ME, 2000, XP, 2003, Media Center, and later ? Mac OS 9.22 and above
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