version 1.0 dec. 2009 ? jmicron 2008. all rights reserved. page 1 copying prohibited. jmicron/JMS539 JMS539 superspeed usb to sata ii 3.0g bridge description the JMS539 is a bridge controller, which translates the communication protocol between sata ii 3.0g and superspeed usb commands. the integrated 60mips 8051, sata ii, hi-speed usb and superspeed usb technology enable users to perform superspeed usb to sata ii 3.0g, applications in a signal chip. in this chip, the hi-speed/superspeed usb controller supports the usb mass storage class bulk-only transport specification. features quick reference signal bit rate 5.0 gbps power supply 3.3v and 1.2v gpio support up to 12 esd protection 2000 v package 64-pin lqfp, 64-pin qfn sata port 1 usb port 1 ? complies with gen2i/gen2m of serial ata ii electrical specification 2.6 ? supports sata ii asynchronous signal recovery (hot plug) feature ? complies with usb 3.0 specification, usb mass storage class, bulk-only transport specification ? supports usb super-speed/high-speed/full-speed operation ? supports usb hid operation ? supports usb2.0/usb3.0 power saving mode ? supports aes-128/256 for data encryption over usb2.0/usb3.0 ? supports external spi nvram for vendor vid/pid of usb2.0/usb3.0 device controller ? supports ata/atapi packet command set ? 12 gpios for customization ? provides hardware control pwm ? provides software utilities for downloading the upgraded firmware code under usb2.0/usb3.0 ? design for win2000, winxp, winvista, win7, mac 9.2 or later version. ? supports 25mhz external crystal ? embedded 3.3v to 1.2v voltage regulator ? 0.13um cmos technology ? 64 lqfp package (10x10) and 64 qfn package (9x9) applications ? enclosure system ? optical storage ? storage system
version 1.0 dec. 2009 ? jmicron 2008. all rights reserved. page 2 copying prohibited. jmicron/JMS539 functional block diagram JMS539 usb20 phy usb30 phy usb30 mac usb20 mac sram 48kx8 sram 1kx32 via rom 64kx8 8051 usb20 usb30 nvram: vendor information . usb2/usb3 descriptor . vendor rom code spi raid matrix cipher engine peripheral controller sataii phy sata mac sataii fig. 1 functional block diagram of JMS539 applications fig. 2 esata & hi-speed usb combo to dual sata bridge application product information name description JMS539 superspeed usb to sata ii 3.0g bridge design kit contact information 1 JMS539 data sheet department email 2 JMS539 design guide sales sales@jmicron.com 3 application evb tech. support fae@jmicron.com
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