Homedatasheet31244

31244 Datasheet

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Features, Applications

Four SATA Channels at 1.5 Gb/s Serial ATA: High speed Serialized AT Attachment Specification, Revision 1.0e Compliant 64-bit/133 MHz PCI-X Bus. Backwards compatible to 32-bit/33 MHz and 64-bit/66 MHz Compatible with Existing Operating Systems Supports Native PCI IDE Hot-Plug Drives Warning:

Supports Master/Slave Mode for Compatibility with Existing Operating Systems Supports SATA Direct Port Access (Master/Master Mode) Independent DMA Masters for Each SATA Channel 3.3 V and 2.5 V Supply, 2.0 W Maximum

Intel Corporation products are not intended for use in life support appliances, devices or systems. Use of a Intel products in such applications without written consent is prohibited.

INFORMATION IN THIS DOCUMENT IS PROVIDED IN CONNECTION WITH INTEL� PRODUCTS. NO LICENSE, EXPRESS OR IMPLIED, BY ESTOPPEL OR OTHERWISE, TO ANY INTELLECTUAL PROPERTY RIGHTS IS GRANTED BY THIS DOCUMENT. EXCEPT AS PROVIDED IN INTEL'S TERMS AND CONDITIONS OF SALE FOR SUCH PRODUCTS, INTEL ASSUMES NO LIABILITY WHATSOEVER, AND INTEL DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY, RELATING TO SALE AND/OR USE OF INTEL PRODUCTS INCLUDING LIABILITY OR WARRANTIES RELATING TO FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. Intel products are not intended for use in medical, life saving, life sustaining applications. Intel may make changes to specifications and product descriptions at any time, without notice. The Intel� 31244 may contain design defects or errors known as errata which may cause the product to deviate from published specifications. Current characterized errata are available on request. Intel� internal code names are subject to change. Contact your local Intel sales office or your distributor to obtain the latest specifications and before placing your product order. Copies of documents which have an ordering number and are referenced in this document, or other Intel literature may be obtained by calling or by visiting Intel's website at http://www.intel.com. Copyright� Intel Corporation, 2003 AlertVIEW, i960, AnyPoint, AppChoice, BoardWatch, BunnyPeople, CablePort, Celeron, Chips, Commerce Cart, CT Connect, CT Media, Dialogic, DM3, EtherExpress, ETOX, FlashFile, GatherRound, i386, i486, iCat, iCOMP, Insight960, InstantIP, Intel, Intel logo, IntelDX4, IntelSX2, Intel ChatPad, Intel Create&Share, Intel Dot.Station, Intel GigaBlade, Intel InBusiness, Intel Inside, Intel Inside logo, Intel NetBurst, Intel NetStructure, Intel Play, Intel Play logo, Intel Pocket Concert, Intel SingleDriver, Intel SpeedStep, Intel StrataFlash, Intel TeamStation, Intel WebOutfitter, Intel Xeon, Intel XScale, Itanium, JobAnalyst, LANDesk, LanRover, MCS, MMX, MMX logo, NetPort, NetportExpress, Optimizer logo, OverDrive, Paragon, PC Dads, PC Parents, Pentium, Pentium II Xeon, Pentium III Xeon, Performance at Your Command, ProShare, RemoteExpress, Screamline, Shiva, SmartDie, Solutions960, Sound Mark, StorageExpress, The Computer Inside, The Journey Inside, This Way In, TokenExpress, Trillium, Vivonic, and VTune are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries. *Other names and brands may be claimed as the property of others.

1.0 2.0 General Description............................................................................................................ References............................................................................................................ 7 Applications........................................................................................................... 9 PCI-X Interface....................................................................................................10 Serial ATA Interface............................................................................................11 2.3.1 Direct Port Access (DPA).......................................................................11 2.3.2 Extended Voltage Range.......................................................................12 2.3.3 Activity LEDs..........................................................................................12 Serial ROM Interface...........................................................................................13 2.4.1 JTAG Interface.......................................................................................13 Package Introduction...........................................................................................14 3.1.1 Signal Pin Descriptions..........................................................................14 3.1.2 Serial ROM Interface Pin Descriptions...................................................15 3.1.3 Reference Clock VA0, VA1 (VCCPLL) Pin Requirements...................................................20 3.1.5 Package/Marking Information.................................................................21 3.1.6 Intel� 31244 PCI-X to Serial ATA Controller Pinout...............................23 Package Thermal Specifications.........................................................................30 Thermal Considerations......................................................................................30 Absolute Maximum Ratings.................................................................................31 Recommended Operating Conditions.................................................................31 VCC5REF Pin Requirements.................................................................................32 V18x Pin Requirements.......................................................................................32 VAx Pin Requirements........................................................................................32 Targeted DC Specifications.................................................................................33 Targeted Specifications.................................................................................34 4.7.1 Clock Signal Timings..............................................................................34 4.7.2 PCI Interface Signal Timings..................................................................35 Overview............................................................................................................................ 8


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