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JM20338 Schematic ( PDF Datasheet ) - JMicron

Teilenummer JM20338
Beschreibung Hi-Speed USB & SATA Combo to PATA Bridge
Hersteller JMicron
Logo JMicron Logo 




Gesamt 2 Seiten
JM20338 Datasheet, Funktion
JMicron/JM20338
JM20338
Hi-Speed USB & SATA Combo to PATA Bridge
Description
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. 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 -0.3% to 0.0
Power Supply
3.3V
ESD Protection
2000 V
Adj. Amplitude
www.DataSheet.co.kr
Adj. Pre-emphasis
2 levels
4 levels
Package
64-pin LQFP
Applications
USB & SATA products
Enclosure system
Storage subsystem
Backward compatible
Storage system
Version 1.2
© JMicron 2003. All rights reserved.
May 2004
Page 1
Copying prohibited.
Datasheet pdf - http://www.DataSheet4U.net/





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