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| copyright ? 2010 jmicron technology corp. all right s reserved. product brief page 1 JMB381 JMB381 pci express to x2 1394a host controller overview jmb38x is product family that includes 1394a ohci a nd memory card reader host controller. they are all 1-lane pci express to 1/2- port 1394a and 1-slot combo memory card reader (sd/mmc/ms/xd) host controller. the table be low shows the brief feature lists of jmb38x product family. jmb380 jmb388 JMB381 jmb385 jmb387 jmb389 host if pcie pcie pcie pcie pcie pcie 1394a if x1 port x1 port x2 port none none none card reader x1 combo** x1 combo** none x1 combo** x1 combo** x1 combo** package qfn48 qfn48 lqfp48 lqfp48 /qfn48 lqfp48 lqfp48 /qfn48 version -- c a b -- c b c a b a b c d on-board application -- v v x -- v v v v x v x v x add-on / express card application -- x x v -- v x x x v x v x v sdxc uhs-1 -- x v v -- x x x x x v v v v d3e -- v v x -- x v v v x v x v x eeprom -- x x v -- v x x x v x v x v boot function -- x v* x -- x x x v v v x x v cr1_cd2 -- v v x -- x x v v x v x v x co-layout co-layout (*): jmb388 has no spi interface on chip, it needs bios support (**): combo memory card reader mechanism supporti ng sd/mmc/ms/ms duo/ms-hg (1/4/8-bit) & xd. feature compliance compliant with pci express base spec. revision 1.1 compliant with 1394 open host controller interface (ohci) release 1.1 www.datasheet.co.kr datasheet pdf - http://www..net/
copyright ? 2010 jmicron technology corp. all right s reserved. product brief page 2 JMB381 overall integrated 1-lane pci express phy (2.5gbps) and 2- port 1394a phy (100/200/400mbps) integrated two pll for both pci express bus and 13 94a interface output swing control and automatic impedance calib ration for both pci express and 1394a phy fabricated 0.18um/3.3v cmos standard logic process with single 3.3v power source pci express supports 1-lane 2.5gbps pci express bus internal native interface multiplexed to ohci and memory card (sd/mmc/ms/xd) all registers of memory card accessible in unified memory space 1394a supports 1394a phy hub function between 2-port supports hot plugging on 1394a port peripherals components supports external serial eeprom dos utility provide serial eeprom dos update utility provide guid setting dos program utility for main bios related product information name description controller jmb380 pci express to x1 combo memory card and x1 1 394a host controller JMB381 pci express to x2 1394a host controller jmb385 pci express to x1 combo memory card host con troller jmb387 pci express to x1 combo memory card (with sd boot function) host controller jmb388 pci express to x1 combo memory card and x1 1 394a (sdxc uhs-1 compliant) host controller jmb389 pci express to x1 combo memory card (sdxc uhs-1 compliant) host controller supporting document contact information 1 product brief department email 2 data sheet sales sales@jmicron.com 3 hardware design guide tech. support fae@jmicron.com 4 application schematic www.datasheet.co.kr datasheet pdf - http://www..net/ |
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