JM20338+ Datasheet PDF - JMicron


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JM20338+
JMicron

Part Number JM20338+
Description Hi-Speed USB & SATA Combo to PATA Bridge
Page 2 Pages

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JM20338Plus
Hi-Speed USB ,SATA & PATA Combo Bridge
Description
The JM20338Plus is a bridge controller, which translates the communication protocol between
SATA, Hi-Speed USB and PATA (ATA/ATAPI) commands. The embedded SATA and USB Phys
technology enable users to perform Hi-Speed USB to PATA, Hi-Speed USB to SATA, and SATA to
PATA applications in a signal chip. In this chip, the SATA to PATA and PATA to SATA controllers are
inherited from JMicron’s JM20330, which provides the capability to handle both ATA and ATAPI
PACKET commands. The JM20338Plus could apply to the following applications, (1) Hi-Speed USB
to dual PATA devices, (2) Hi-Speed USB to PATA + SATA combo, (3) Hi-Speed USB to SATA device,
and (4) SATA and Hi-Speed USB combo to PATA device.
Features
Compliance with Gen1i & Gen1m of Serial
ATA II Electrical Specification 1.0
Support SATA Spread-Spectrum Clock
Technology
Support SATA II Asynchronous Signal
Recovery (Hot Plug) feature
Compliance with USB 2.0 electrical
specification
Support USB 2.0 High-Speed and Full-Speed
Operation
Compliance with USB Mass Storage Class,
Bulk-Only Transport Specification
Support Dual LUN of USB Mass Storage
Class
Support ATA/ATAPI-7
Support ATA/ATAPI Ultra DMA Mode 0, 1,
2, 3, 4, 5
Support ATA/ATAPI Multi-word DMA Mode
0, 1, 2
Support ATA/ATAPI PACKET command
feature set
Support ATA/ATAPI LBA48 addressing
mode
Support 12MHz external crystal.
Optional external memory for customer
firmware code
Support 9 GPIO
Embedded 3.3V to 1.8V Voltage Regulator
Single power 3.3V power supply.
0.18um CMOS technology with LQFP 128
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
www.DataSheet.co.kr
Adj. Amplitude
2000 V
2 levels
Adj. Pre-emphasis 4 levels
Package
128-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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Functional Block Diagram
Voltage Regulator
PATA
MUX
ATA/
ATAPI
Controller
ATA/
ATAPI
Controller
SATA
Transport
USB
Endpoint
Buffer
USB
PLL
SATA
Link
USB
SIE
SATA
PLL
SATA
Phy
USB 2.0
PHY
Applications
Fig. 1 Functional Block Diagram of JM20338Plus
SATA
USB
IDE
Device
SATA
Device
JM20338+
USB
PC
IDE
Device
www.DataSheet.co.kr
JM20338+
USB
PC
SATA
Device
JM20338+
USB
PC
Product Information
Name
JM20338Plus
Fig. 2 Hi-Speed USB ,SATA & PATA Bridge
Description
Hi-Speed USB ,SATA & PATA Combo Bridge
Design Kit
1 JM20338Plus Data Sheet
2 JM20338Plus Design Guide
3 Application EVB
Contact Information
Department
Email
Sales
sales@jmicron.com
Tech. Support
fae@jmicron.com
Version 1.2
© JMicron 2003. All rights reserved.
May 2004
Page 2
Copying prohibited.
Datasheet pdf - http://www.DataSheet4U.net/




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