JMicron Technology JM20339
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.DESCRIPTION
The embedded command parser supports both ATA and ATAPI command set with LBA48 bit addressing capability.FEATURES
● Compliance with Gen1i, and Gen1m of Serial ATA II Electrical Specification 1.0● Support SATA spread-spectrum transmitter
● Support SATA II Asynchronous Signal Recovery (Hot Plug) feature
● Compliance with USB 2.0 (Hi-Speed USB) electrical specification
● Compliance with USB Mass Storage Class Bulk-Only Transport Specification
● 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 Quick Reference Signal Bit Rate 1.5 Gbps/SATA and 480 Mbps/USB Spread Spectrum Power Supply ESD Protection Adj. Amplitude Adj. Pre-emphasis Package
APPLICATIONS
-0.3% to 0.0 3.3V 2000 V 2 levels 4 levels 64-pin LQFP USB & SATA products● Enclosure system
● Storage Subsystem
● Portable compact HDD Version 1.2 © JMicron 2003.