jmicron/jms5 7 8 p roduct b rief revision 1.0.0 ? jmicron 201 6 . all rights reserved. page 1 copying prohibited. jms57 8 usb 3.1 gen 1 to sata 6g b/s bridge controller overview the jms57 8 is a usb 3.1 gen 1 to sata 6gb/s bridge controller. it provides a low power and high - performance solution for external solid state drive (ssd), hard disk drive (hdd), and optical disc drive (odd). the jms57 8 supports higher data t r ansmission rate and lower power consumption than its predecessors ever , m ean while , a two - layer printed circuit board (pcb) design for a c ost - sensitive data storage solution. moreover, t he JMS578 can combine with jmicrons sata port multipliers to construct a data storage device with multiple bays of hdds to meet the requirement for large capacity data stora g e applications.
jmicron/jms5 7 8 p roduct b rief revision 1.0.0 ? jmicron 201 6 . all rights reserved. page 2 copying prohibited. features ? complies with gen 2i/gen 2m of serial ata ii electrical specification 2.6 ? complies with gen 3 of serial ata iii electrical specification 3.2 ? complies with usb 3.0 specification, usb mass storage class, bulk - only transport specification ? complies with usb attached scsi protocol (uasp) specification ? supports usb super - speed/high - speed/full - speed operation ? supports usb 2.0 and usb 3.0 power saving mode s ? supports sha - 1/sha - 256 for ieee - 1667 digest calculation ? supports external spi nvram for vendor vid/pid of usb 2.0/usb 3.0 device controller ? supports ata/atapi packet command set ? supports ten gpios for customization ? provides hardware control led pwm ? provides software utilities for downloading the upgraded firmware code under usb 2.0/usb 3.0 ? design ed for windows xp, windows 7, windows 8.1 , windows 10 and mac 10.7.4 or later versions ? supports 30mhz external crystal ? embedded 5v to 1.2v voltage regulator ? embedded 5v to 3.3v voltage regulator ( ldo ) ? qfn48 package (6x6)
jmicron/jms5 7 8 p roduct b rief revision 1.0.0 ? jmicron 201 6 . all rights reserved. page 3 copying prohibited. block diagram j m s 5 7 8 u s b 2 . 0 p h y u s b 3 . 1 g e n i p h y u s b 3 . 0 m a c u s b 2 . 0 m a c s r a m s y s t e m d a t a b u f f e r r o m 8 0 5 1 n v r a m : v e n d o r i n f o r m a t i o n . u s b 2 . 0 / u s b 3 . 1 g e n i d e s c r i p t o r . v e n d o r c o d e s p i p e r i p h e r a l c o n t r o l l e r s a t a i i i p h y s a t a m a c s a t a 6 g b / s u s b 2 . 0 / u s b 3 . 1 g e n i a h b
jmicron/jms5 7 8 p roduct b rief revision 1.0.0 ? jmicron 201 6 . all rights reserved. page 4 copying prohibited. application
jmicron/jms5 7 8 p roduct b rief revision 1.0.0 ? jmicron 201 6 . all rights reserved. page 5 copying prohibited. package information (qfn48 6x6) note: the ground pad size is (d2*e2).
|
