JMB352U Datasheet PDF - JMicron


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JMB352U
JMicron

Part Number JMB352U
Description High-Speed USB & SATA II Combo to Dual SATA II Port Multiplier(1 to 2) Bridge
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JMicron/JMB352U
JMB352U
High-Speed USB & SATA II Combo to Dual SATA II Port
Multiplier(1 to 2) Bridge
Description
The JMB352U is a bridge controller, which translates the communication protocol between SATA II 3.0G. This
chip integrated 60MIPS 8051, and provide eSATA II 3.0G to dual SATA II 3.0G port multiplier applications in a
single chip.
In this chip, the SATA controller could be configured as host or device. The 3-port SATA II 3.0G controllers
further supports the eSATA to dual SATA communication. Integrated these two technologies, the user could
perform JMB352U to the following applications.
¾ eSATA to dual SATA bridge port multiplier application
¾ One-button system backup application for above applications. (With SATA Vender Software Application)
Features
Compliance with Serial ATA International
Organization: Serial ATA Revision 2.6
Compliance with Gen1i, Gen1m, Gen2i and Gen2m of
Serial ATA International Organization: Serial ATA
Revision 2.6
Support SATA 1.5G/3.0G Speed Negotiation
Support SATA II Asynchronous Signal Recovery (Hot
Plug) feature
Support SATA Host/Device controller configuration
Support USB HID Interrupt Transfer
Support ATA/ATAPI PACKET command feature set
Support SATA 30MHz or 40MHz external crystal
Quick Reference
Signal Bit Rate
3.0 Gbps
Power Supplywww.DataSheet.co.kr
3.3V and 1.2V
GPIO Support
UP to 9
ESD Protection
2000 V
Package
64-pin LQFP
RAID Level
Support
JBOD, Port Multiplier
SATA Port
3
USB Port
1
Version 1.2
© JMicron 2008. All rights reserved.
June 2008
Page 1
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Integrated 60MIPS 8051 microprocessor with
64k-byte mask ROM
Support one-button system backup operation
Support one-button disk copy
Support external NVRAM for customer VID/PID,
Manufacture and Product String.
Applications
JMicron/JMB352U
Mass storage devices
Optical storage
Storage system
Port Multiplier
Functional Block Diagram
Data RAM
Program
ROM
MCU
GPIO
GPIO I/F
DMA
Controller
USB Device
Controller
Voltage
Regulator
Hi-Speed
USB PHY
USB
www.DataSheet.co.kr
3-port SATA II
Controller
3-port
SATA II PHY
SATA_C
SATA_B
SATA_A
Applications
Fig. 1 Functional Block Diagram of JMB352U
SATA Device
SATA Device
SATA C
PC Host
JMB352U
GPIO
FW download only
LED
NVRAM
Keypad
Fig. 2 eSATA to dual SATA port multiplier application
Version 1.2
© JMicron 2008. All rights reserved.
June 2008
Page 2
Copying prohibited.
Datasheet pdf - http://www.DataSheet4U.net/



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JMicron/JMB352U
SATA Device
SATA Device
SATA Device
SATA
PC Host
JMB352U
GPIO
FW download only
LED
NVRAM
Keypad
Fig. 3 Hi-Speed USB to SATA with 3 LUN bridge application
SATA Device
SATA C
www.DataSheet.co.kr
PC Host
JMB352U
GPIO
FW download only
LED
NVRAM
Keypad
Fig. 4 Dual eSATA(Port B & Port C) & Hi-Speed USB to SATA application
Product Information
Name
JMB352
Design Kit
1 JMB352 Data Sheet
2 JMB352 Design Guide
3 Application EVB
Description
Serial ATA Bridge Chip
Contact Information
Department
Email
Sales
sales@jmicron.com
Tech. Support
fae@jmicron.com
Version 1.2
© JMicron 2008. All rights reserved.
June 2008
Page 3
Copying prohibited.
Datasheet pdf - http://www.DataSheet4U.net/




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