JMicron JM20338
The JM20338 is single chip solution to bridge between USB 2.0, SATA and ATA/ATAPI-based mass storage device. It provides the capability to translate USB 2.0 mass storage and SATA protocols to ATA/ATAPI commands. The USB adheres to the Mass Storage Class Bulk-Only Transport Specification, and supports dual LUN operation.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-7
● Support ATA/ATAPI Ultra DMA Mode
● Support ATA/ATAPI PACKET command feature set
● Support ATA/ATAPI LBA48 addressing mode
● Support dual LUN (Logic Unit Number) for USB to ATA/ATAPI
● 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 -0.3% to 0.0 3.3V 2000 V 2 levels 4 levels 64-pin LQFP USB & SATA products
● Enclosure system
● Storage subsystem
● Backward compatible Storage system Adj.