version 1.2 june 2008 ? jmicron 2008. all rights reserved. page 1 copying prohibited. jmicron/JMB352 JMB352 high-speed usb & sata ii combo to dual sata ii raid bridge description the JMB352 is a bridge controller, which translates the communication protocol between sata ii 3.0g and hi-speed usb commands. the integrated 60mips 8051, 3-port sata ii 3.0g and hi-speed usb technology enable users to perform hi-speed usb to dual sata ii 3.0g, and esata ii 3.0g to dual sata ii 3.0g applications in a signal chip. in this chip, the hi-speed usb controller supports the usb mass storage class bulk-only transport specification, and support 3 lun applications. the sata controller could be configured as host or device. the 3-port sata ii 3.0g controllers further supports the es ata to dual sata communication. integrated these two technologies, the user could perform JMB352 to the following applications. ? esata & hi-speed usb combo to dual sata bridge application with raid0 or raid1 or jbod function. (usb default driver of os) ? hi-speed usb to sata with 3 lun bridge application (usb default driver of os) ? dual esata & hi-speed usb to sata application (usb default driver of os) ? one-button system backup application for above 3 a pplications. (with sata, usb vender software application) features quick reference signal bit rate 3.0 gbps power supply 3.3v and 1.2v gpio support up to 24 esd protection 2000 v package 100-pin lqfp raid level support raid 0,1, jbod, port multiplier sata port 3 ? 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 ? compliance with usb 2.0 electrical specification ? support usb 2.0 high- speed and full-speed operation usb port 1 www.datasheet.co.kr datasheet pdf - http://www..net/
version 1.2 june 2008 ? jmicron 2008. all rights reserved. page 2 copying prohibited. jmicron/JMB352 ? support usb hid interrupt transfer ? compliance with usb mass storage class, bulk-only transport specification ? support 3 lun of usb mass storage class ? support ata/atapi packet command feature set ? support sata 30mhz or 40mhz external crystal ? 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. ? embedded 3.3v to 1.2v voltage regulator applications raid solution ? mass storage devices ? optical storage ? storage system ? port multiplier functional block diagram mcu u s b d evice c o n tro lle r h i-speed usb phy 3-port sata ii c o n tro lle r 3-port sata ii phy dma c o n tro lle r d a ta r a m program rom g p io i/f voltage regulator gpio sata_a sata_c usb sata_b fig. 1 functional block diagram of JMB352 applications usb sata c sata a gpio pc host sata device nvram led JMB352 usb sata keypad sata b sata device fig. 2 esata & hi-speed usb combo to dual sata bridge application www.datasheet.co.kr datasheet pdf - http://www..net/
version 1.2 june 2008 ? jmicron 2008. all rights reserved. page 3 copying prohibited. jmicron/JMB352 usb sata c sata a gpio pc host sata device nvram led JMB352 usb sata keypad sata b sata device sata device fig. 3 hi-speed usb to 3-port sata application fig. 4 dual esata & hi-speed usb to sata application product information name description JMB352 serial ata bridge chip design kit contact information 1 JMB352 data sheet department email 2 JMB352 design guide sales sales@jmicron.com 3 application evb tech. support fae@jmicron.com usb sata c sata a gpio pc host nvram led JMB352 usb sata keypad sata device sata sata b www.datasheet.co.kr datasheet pdf - http://www..net/
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